Serial Killers And There Crimes

List of serial killers by number of victims

A serial Killer is someone who kills two or more people, here is a list of known cases

Serial killers with the highest known victim count

This list is a compilation of fifteen modern serial killers currently with the highest verifiable murder count, non medical, and working alone.

Name	Country	Years active	Proven victims	Possible victims	Notes
Luis Garavito	Colombia	1990s	138	172–400+	Child-murderer, torture-killer, and rapist known as "La Bestia" ("The Beast"). Convicted of killing 138 victims but suspected of murdering over 400 victims, mostly street children. Garavito served one of his sentences, but there are another 20 prosecutions against him preventing his release. Additionally, the Ley de Infancia y Adolescencia eliminates the possibility of his release.
Pedro Alonso López	Colombia, Ecuador, Peru	1969 to 1980	110	310–350+	Child-murderer and rapist, known as "The Monster of the Andes". Targeted young girls, between the ages of 8 and 12. Arrested in 1980 and convicted in 1983 of killing 110 young girls but confessed to killing 300, exact total unknown. Though he may be the most prolific serial killer of the 20th century, he was released in 1998. Current whereabouts unknown.[2]
Daniel Camargo	Colombia, Ecuador	1974 to 1986	72	150	Child-murderer, believed to have possibly raped and killed over 150 victims, primarily young virgin girls. Confessed to killing 72 victims and incarcerated with Pedro Alonso Lopez. Considered to be intelligent and believed to have been motivated to kill from his stepmother abusing him as a child. He strangled young girls in Colombia and was arrested, but he escaped from prison and he started killing in Ecuador; rearrested in 1989, he was killed in jail.[3]
Pedro Rodrigues Filho	Brazil	1967 to 2003	71	100+	Convicted and sentenced to 128 years, but the maximum one can serve in Brazil is 30 years. He has claimed to have killed over 100 victims, 47 of them inmates. He also killed his father and ate a piece of his heart. He killed his first two victims at the age of 14; he was first arrested in 1973.
Yang Xinhai	China	2000 to 2003	67	67	Would enter victims' homes at night and kill everyone with axes, meat cleavers, hammers, and shovels. Executed in February 2004. Known as the "Monster Killer".[4]
Andrei Chikatilo	Soviet Union/ Ukraine	1978 to 1990	53	56	Known as Butcher of Rostov, The Red Ripper or The Rostov Ripper. Convicted of the murder of 53 women and children between 1978 and 1990. Executed in 1994. Three people were previously convicted and executed for his crimes.[5]
Anatoly Onoprienko	Soviet Union/ Ukraine	1989 to 1996	52	52+	Known as "The Beast of Ukraine", "The Terminator" and "Citizen O". Convicted of the murders of 9 people in 1989 and 43 people in 1995–1996. Sentenced to death, later commuted to life. Traveled through Europe illegally from 1990 to 1995; whether he killed during this time is unknown.[5]
Gary Ridgway	United States	1982 to 2000	49	71–90+	Truck painter who confessed to killing 71 women. The United States' most prolific serial killer; also known as The Green River Killer. He almost exclusively targeted escorts from Seattle. Once there, he would proposition a prostitute, drive to the banks of the Green River, and strangle her to death. After murdering his victim he would dump her body near the nearby water. Suspected of killing over 90 victims, confessed to 71, convicted of 49.[6]
Alexander Pichushkin	Russia	1992 to 2006	48	61+	Known as the Chessboard Killer. Convicted of murdering 48 victims and suspected of killing 61. Claimed to have murdered 63 people out of his goal of 64 to fill a chessboard; stated goal of becoming Russia's most prolific serial killer.[7]
Ahmad Suradji	Indonesia	1986 to 1997	42	70–80+	Convicted of strangling at least 42 women and girls in a series of ritual slayings he believed would give him magical powers. Executed by firing squad on 11 July 2008.
Moses Sithole	South Africa	1994 to 1995	38	38+	Preyed on unemployed women, posing as a businessman and luring his victims with the prospects of a job, before leading them to an isolated place, where he raped, tortured, and murdered them. Sentenced to 2410 years imprisonment with a non-parole period of 930 years. Known as South Africa's Ted Bundy.[8]
Serhiy Tkach	Soviet Union/ Ukraine	1984 to 2005	36	80–100	A former Ukrainian police criminal investigator, suffocated girls aged between 8 and 18 and performed sexual acts on their bodies after they were dead. Claims to have killed 100.
Gennady Mikhasevich	Soviet Union/ Belarus	1971 to 1985	36	38–43	Strangled females. Besides killing, he robbed his victims of money and valuable items (that he would sometimes give to his wife as a gift).[9]
Ted Bundy	United States	1974 to 1978	35	36+	America's first "post-modern" serial killer due to his charisma and good looks. Bundy officially confessed to 30 homicides, but has confessed to killing 35–36 women in the past, and some estimates run upwards of 100 or more. Infamous for escaping from prison twice and murdering multiple victims in one day; sometimes abducting women from the same location within hours of one another.[10] He was executed in the electric chair in 1989.[11][12]
John Wayne Gacy	United States	1972 to 1978	33	34+	Known to have murdered a minimum of 33 teenage boys and young men between 1972 and 1978, 26 of whom he buried in the crawl space of his Chicago home. Gacy was known as the "Killer Clown" due to the fact he often entertained children at social events dressed in a self devised clown costume. Gacy was executed in 1994.[13]

Serial killers with 30 victims or fewer

This part of the list contains all serial killers with at least 15 proven victims that acted alone and were neither medical professionals nor contract killers.

Name	Country	Years active	Proven victims	Possible victims	Notes
Karl Denke	Germany	1900 to 1924	30	40+	Cannibal mainly targeting travellers, probably striking them with an axe.
Dean Corll	United States	1970 to 1973	28	29+	Corll was responsible for the Houston Mass Murders and was murdered by accomplice Elmer Wayne Henley when Corll turned on him. Corll is responsible for the torture and murder of young boys in Pasadena, Tx and elsewhere in southeast Texas.
Maria Swanenburg	Netherlands	1880 to 1883	27	90+	Dutch serial killer who poisoned at least 102 people with arsenic of which 27 died between 1880 and 1883.
Maoupa Cedric Maake	South Africa	1996 to 1997	27	35+	Known as the "Wemmer Pan Killer" and "Hammer Killer". He killed his victims with different instruments such as guns, rocks, a knife, and a hammer. Authorities attributed the murders to two serial killers because of the inconsistent modus operandi. In some cases he killed his victims with a rock, in others he shot them, and in others he murdered tailors with a hammer. Maake was arrested after Moses Sithole was found guilty of 38 killings and sentenced[14]
Juan Vallejo Corona	United States	1971	25	25+	Corona was convicted of murdering ranch laborers and burying them in orchards. He was sentenced to 25 terms of life imprisonment.
Wayne Williams	United States	1979 to 1981	24	31	Believed to have perpetrated the Atlanta murders of 1979–1981. After being convicted of two murders and sentenced to life imprisonment, authorities closed 22 other unsolved murders, declaring Williams to have been the perpetrator. Williams has maintained his innocence and the case was reopened as recently as 2005.[15]
Fritz Haarmann	Germany	1918 to 1924	24	27+	Also known as the Butcher of Hannover and the Vampire of Hannover, because of his preferred method of killing by biting through his victim's throat, sometimes while sodomizing them. He would then dump the bodies in the nearby river Leine. Is believed to have been responsible for the murder of 27 boys and young men. He was convicted, found guilty of 24 murders and executed.[16]
Béla Kiss	Hungary	1912 to 1916	24	24+	Convicted after the bodies of 24 women were found in his home. Escaped from prison in 1916. Fate unknown[17]
Ronald Dominique	United States	1997 to 2006	23	23+	Known locally as the Bayou Strangler and murdered victims in the Terrebonne Parish, Lafourche Parish, Iberville Parish and Jefferson Parish.[18]
Earle Nelson	United States	1926 to 1927	22	25	Necrophiliac who targeted and strangled landladies throughout the West Coast during 1926; he was hanged on January 1928; also known as "Gorilla Killer" or "the Dark Strangler".
William Bonin	United States	1979 to 1980	21	36+	Bonin and three accomplices are known to have murdered a minimum of 21 youths aged between 12 and 19 in and around Los Angeles. As the majority of his victims were discarded alongside various southern California freeways, Bonin became known as the Freeway Killer. Bonin was convicted of 14 of the freeway murders and was executed in 1996.[19]
Vasile Tcaciuc	Romania	1917 to 1935	21	26+	Romanian man who lured victims and then murdered them with an axe; he was arrested after a dog found a dead body in his house on 7 September 1935. He confessed to have committed at least 26 murders. He was shot dead by a policeman while trying to escape from prison.[20]
Yoo Young-chul	Republic of Korea	2003 to 2004	21	26	Used a hammer to murder mostly older victims, until his focus shifted to the decapitation and mutilation of escorts after being dumped by a girlfriend who worked in that profession.[21]
Patrick Kearney	United States	1965 to 1977	21	28	Would pick up young male hitch-hikers or young men from gay bars near Redondo Beach, California, and kill them.[22]
Alexander Spesivtsev	Russia	1996	19	82	Serial killer and cannibal also known as "Novokuznetsk monster". Found insane and sent to mental hospital.
Sergei Ryakhovsky	Soviet Union/ Russia	1988 to 1993	19	19+	Known as the Balashikha Ripper.[23]
Paul John Knowles	United States	1974	18	35	Killed 18 people in various states in 1974. Claimed 35 murders. Known as the "Casanova Killer"; shot dead by FBI agents.
Huang Yong	China	2001 to 2003	17	25	Lured and murdered 17 teenage boys, although he is suspected of 25 murders between September 2001 and 2003.
Joel Rifkin	United States	1989 to 1993	17	17	[24]
Jeffrey Dahmer	United States	1978 to 1991	17	17	Dahmer ate some of his victims and kept their body parts in his freezer. Was sentenced to life imprisonment; murdered in prison in 1994.
Donato Bilancia	Italy	1997 to 1998	17	17	Burglar who murdered 17 people, mainly prostitutes, between 1997 and 1998, during six months. Known as the "Prostitutes Killer" and the "Liguria Monster". Sentenced to life.
Vladimir Kondratenko	Ukraine		16	20+	Kondratenko and his friend Vladislav Volkovich, dubbed the Nighttime Killers, shot, stabbed, and bludgeoned 35– to 40-year-old male victims.
Randy Steven Kraft	United States	1971 to 1983	16	65–100	Convicted on 16 counts of murder but left a cryptic list of 65 murders. May have had an accomplice.[25]
Mohammed Bijeh	Iran	2004	16	20	Raped and killed at least 16 boys and teenagers. Nicknamed the "Tehran Desert Vampire". Was convicted and executed after being lashed in front of a crowd in 2005.[26]
Sipho Agmatir Thwala	South Africa	1996 to 1997	16	19	Nicknamed the Phoenix Strangler after the area in which he committed his crimes; he raped and strangled 19 females; arrested, he was found guilty of 16 murders.[27]
Elias Xitavhudzi	South Africa	1950s	16	16	Nicknamed Panga man for his use of a machete (locally known as a "panga"). He stabbed and robbed his victims between 1953 and 1959; arrested, he was hanged on 14 November 1960.
Jimmy Maketta	South Africa	April–December 2005	16	16	Pleaded guilty to and convicted of 16 murders and 19 rapes committed over a nine-month period in 2005.
Jack Mogale	South Africa	2008 to 2009	16	16	Raped and strangled females in the Donnybrook area. Convicted of 16 murders and 19 rapes, nine kidnappings, robbery and assault.
Robert Lee Yates	United States	1975 to 1998	16	16	Killed prostitutes in the "Skid Row" area of E. Sprague Avenue in Spokane, Washington.
Michel Fourniret	France	1987 to 2001	16	3	Known as Ogre or Beast of Ardennes. He was caught after a failed kidnapping in 2003.
Pietro Pacciani	Italy	1968 to 1985	16		Known as The Monster of Florence. Was convicted of the murders in 1994, but the decision was controversially overturned in appeal. However this last decision was overturned by the Supreme Court which ordered a re-trial. This couldn't be held as Pacciani died in 1998. Two of his alleged accomplices were also convicted.[28]
Charles Ray Hatcher	United States	1969 to 1982	16		A habitual criminal, confessed to the rape and murder of over 20 young and adolescent males. Escaped from prison several times and was declared a "manipulative institutionalized sociopath" [29]
Jose Antonio Rodriguez Vega	Spain	1987 to 1988	16		Nicknamed El Mataviejas (The Old Lady Killer), he raped and killed at least 16 elderly women, ranging in age from 61 to 93 years old, in and around Santander, Cantabria.
Robert Hansen	United States	1980 to 1983	15	21	Prostitutes he kidnapped were released into the Alaskan wilderness for him to hunt down like animals. Based on discovered remains, police suspect him of six murders in addition to the 15 for which he was convicted.
Angel Maturino Resendiz	United States	1986 to 1999	15	18	Known as the "Railroad Killer" because his killings were committed near the railroad tracks he used to traverse the country. He was charged with and/or confessed to 15 murders occurring from 1986 to 1999 in Texas, Florida, Illinois, Georgia, and Kentucky. He was also suspected in a 1997 California murder case and claimed two additional killings he refused to elaborate on.[30]
Dennis Nilsen	United Kingdom	1978 to 1983	15	15–16[31][32]	Picked up young men in London between 1978 and 1982 and dismembered them, keeping various body parts around his home.[33]
Elifasi Msomi	South Africa	1950s to 1956	15	15	He killed his victims with an axe or a knife in the 1950s; hanged in 1956.

Medical professionals and quacksalvers

Name	Country	Years active	Proven victims*	Possible victims	Miscellaneous information
Harold Shipman	United Kingdom	1975–1998	218	250[34]	Convicted of 15 murders and responsible for the deaths of 218 patients identified by inquiry but is believed to have killed up to 250 people.[35] He would inject diamorphine into his patients and then falsify the medical records, reporting that his patient had been in poor health. Known as Doctor Death.[36] Hanged himself in prison.
Hu Wanlin	China			146
Miyuki Ishikawa	Japan	1940s	103+	169	Euthanized more than 103 newborn children. As a maternity nurse she killed infants born to parents unwilling to care for them during the prohibition of abortion in Japan. Arrested in 1948 and sentenced to 4 years in prison.[37]
Steven Massof	United States	July 2003 to June 2008	100+		Massof, who worked at Kermit Gosnell's abortion clinic, testified that he snipped the spines of more than 100 babies after seeing them show signs of life. [38][39]
Donald Harvey	United States	1970 to 1987	37	57–87	Self-professed Angel of Death. Worked as an orderly in Cincinnati-area hospitals and preyed on his patients. Claims to have killed 87 patients starting at age 18. Active 1970–1987. Serving 28 life sentences in Ohio.[40]
Anders Hansson	Sweden	1978 to 1979	27		Serial killer. Poisoned victims with gevisol and ivisol. Called The Hospital Murders (Sjukhusmorden in Swedish)[41]
Marcel Petiot	France	1926 to 1944	26	63	Active 1926 and from 1942 to 1944. Petiot is suspected of having killed up to 63 in total. Executed in 1946.[42]
Arnfinn Nesset	Norway	1983 and earlier	22	27–138+	Norwegian nurse and most prolific known serial killer in Scandinavian history, convicted on 18 March 1983 of poisoning at least 22 patients with Curacit; however he initially confessed to 27 murders; after he retracted his confessions and he told he had killed 138 patients. Was released from prison in 2004 after serving 21 years, the maximum punishment possible by Norwegian law.[43]
Charles Cullen	United States	1988 to 2003	18–29	35–40+	Nurse in New Jersey and Pennsylvania who murdered at least 29 patients between 1988 and 2003. Cullen has admitted to more murders, which authorities believe are likely, but the murders cannot be verified.[44]
Waltraud Wagner	Austria	1983 to 1989	15	49–200+	A nurse who killed elderly patients at Lainz General Hospital in Vienna using lethal injection and other methods including drowning. Together with her accomplices, she confessed to 49 murders but may have been responsible for up to 200. One of the "Lainz Angels of Death".
Maxim Petrov	Russia	2000 to 2002	12	19	Doctor who killed his patients in St. Petersburg. Suspected of 19 murders.[45]
Petr Zelenka	Czech Republic	2006	7	21[46]	Killed his victims with heparin a lethal injection from May to September 2006. Ten people survived his murder attempt. Suspected of up to 14 more murders.
Amelia Dyer	United Kingdom	c. 1875 to 1896	6	200–400+	A baby farmer responsible for the deaths of many babies through neglect and starvation, and then later through tying tape around their necks to strangle them. It is considered very likely that she killed upwards of 200 victims; possibly more than 400.
Orville Lynn Majors	United States	1993 to 1995	6	130	LPN in Vermillion County Ind., Preyed on elderly patients—thought to have killed many of them with injections of potassium chloride. Serving 360 years in Indiana.
Kristen Gilbert	United States	1990 to 1996	5	70+	Targeted patients. Sentenced to life without parole.
Amy Archer-Gilligan	United States	1910 to 1917	5	48+	A nursing home proprietor believed to have poisoned as many as 60 patients from her homes and her second husband. Charged with 5 murders originally, this was lowered to just one following her admission of guilt, and was found guilty of second degree murder. Died in a mental hospital in 1962.
Irene Leidolf	Austria	1983 to 1989	5	49–200	Murdered elderly patients along with Waltraud Wagner. Convicted of five of the murders perpetrated by the "Lainz Angels of Death".
Gwendolyn Graham and Catherine May Wood	United States	1987	5	5	Nurses who killed five elderly women in Grand Rapids, Michigan.
Aino Nykopp-Koski	Finland	2004 to 2009	5	5	Nurse who killed five elderly patients using sedatives and opiates in Finland.
Kermit Gosnell	United States	1989? to 2011	4	100+	Abortion doctor convicted of 4 murders. Three babies were born alive, then killed by cutting the infant spine with scissors. One mother died due to complications. Testimony indicated hundreds of similar procedures carried out by Gosnell and his staff.
Michael Swango	United States	1981 to 1997	4	35–60+	Murderer and serial killer suspect.

Serial killer groups and couples

Name	Country	Years active	Proven victims*	Possible victims	Miscellaneous information
Delfina & María de Jesús González	Mexico	1955 to 1964	91+	91+	Two sisters who ran a brothel in Mexico, hired numerous prostitutes and murdered at least 80 of them after they were deemed useless during the span of ten years. They also killed 11 men and several fetuses. Probably the work of four of the sisters, sentenced to 40 years in prison. Body count varies due to the combined work of the sisters being impossible to assign to them individually.[5]
Susi Olah & Julia Fazekas	Hungary	First World War to 1929	50	300+	Poisoned their victims in the Tiszaug area.
Dean Corll, David Owen Brooks and Elmer Wayne Henley	United States	1970 to 1973	28	42+	Corll was an American serial killer also known as the Candy Man, responsible for the murders of a minimum of 28 teenage boys and young men in Houston between 1970 and 1973. Corll was shot and killed by one of the two teenage accomplices he recruited to assist him in the abductions of the victims on August 8, 1973. This accomplice, Elmer Wayne Henley, informed the police of the trio's murders the same day Corll was murdered.[47]
Igor Suprunyuck and Viktor Sayenko	Ukraine	2007	21	21	Also known as the Dnepropetrovsk maniacs. Killed random people over a two-month period. Tortured dogs and cats, received lifetime imprisonment.
Surender Koli and Moninder Singh Pandher	India	2005 to 2006	19	30+	Between 2005 and 2006, businessman Moninder Singh Pandher and his domestic servant, Surender Koli, kidnapped, raped, murdered, and dismembered 19 people (mostly children). Convicted.
Fred West and Rosemary West	United Kingdom	1967 to 1987	12	20	Mainly targeted young females but were also found guilty of the murder of their own daughter. Also found guilty of raping another daughter. Buried the victims around their house and local area. Shortly before he committed suicide on New Year's Day, 1995, Fred West said there were more victims.[48][49]
Leonard Lake and Charles Ng	United States	1982 to 1985	11	25	Abducted women, used them as sex slaves, and then murdered them, together with any men, women, and children who got in their way. Lake committed suicide upon arrest, but Ng was later convicted of killing 11 people. Between 1982 and 1985, Lake and Ng were believed to have abducted and killed as many as 25 victims, as evidenced by human remains found on Lake's California ranch.[50]
Gert van Rooyen and Joey Haarhof	South Africa		6	8	Their victims were never found; the pair shot dead a police officer and then committed suicide when faced with arrest after the escape of their last kidnap victim.
Ian Brady and Myra Hindley	United Kingdom		5	5+	The "Moors Murderers". Abducted children in northern England. They were found guilty of two and three murders respectively.
David and Catherine Birnie	Australia		4	4–8	Australian couple who raped and murdered four women in their home and attempted to murder a fifth in Perth in 1986. Both were sentenced to four consecutive life sentences without the possibility of parole; David Birnie hanged himself in prison on October 7, 2005.
Raymond Fernandez and Martha Beck	United States	1947 to 1949	3	20	Known as the "Lonely Hearts Killers", Fernandez and Beck extorted women Fernandez met through lonely hearts advertisements. Both were arrested in Michigan in 1949 for the murders of a woman and her 2-year-old daughter, but Michigan authorities waived prosecution and extradited the pair to New York to face trial for a murder that occurred there because New York had the death penalty while Michigan did not. They were convicted of that murder and executed on March 8, 1951.

Serial killers with fewer than 15 proven victims

This part of the list contains all serial killers with less than 15 proven victims that acted alone and were neither medical professionals nor contract killers.

Name	Country	Years active	Proven victims*	Possible victims	Miscellaneous information
Carl "Coral" Watts	United States	1974 to 1982	14	80+	Believed to have killed over 80 women in multiple states, in 1982 Watts accepted a plea bargain in Texas in which he would plead guilty to a lesser charge and be granted immunity from murder charges in exchange for providing information on his victims; as a result he confessed to 12 murders and was sentenced to 60 years in prison on the lesser charge. He was sentenced to life imprisonment in separate trials in Michigan in 2004 and 2007, and died a week after the 2007 sentence was handed down.[51]
Vampire of Silesia	Poland	1964 to 1970	14	21+	Killed 14 women in 1964–1970 in Poland's region of Upper Silesia. Zdzisław Marchwicki (executed in 1977) was most likely the man responsible for the killings; however, his guilt remains in dispute.
Arthur Shawcross	United States	1972 to 1989	14	14	After being arrested in 1972 for the rape and murder of two children, he was able to plead down to a sentence for manslaughter. After 14½ years of incarceration, he began targeting prostitutes. Strangled and battered his victims. Known as the "Genesee River Killer", "Genesee River Strangler", "Rochester Strangler", and "Monster of the Rivers".
Cleveland Torso Murderer	United States	1934 to 1938	13	40+	Unidentified serial killer, also known as "The Mad Butcher of Kingsbury Run", who targeted drifters and derelicts, of whom only two were identified, between 1934 and 1938 in Cleveland, Ohio.
Kaspars Petrovs	Latvia	2003	13	38+	Confessed to strangling 38 elderly residents of Riga, Latvia, in 2003. Convicted and sentenced to life imprisonment for the robbery and murder of 13.
Richard Ramirez	United States	1984 to 1985	13 [52]	20	Killed 13 people between June 28, 1984, and August 24, 1985, in Los Angeles. Known as the "Night Stalker".[52][53]
Peter Sutcliffe	United Kingdom	1975 to 1980	13	15	Killed 13 women between October 30, 1975, and November 17, 1980, mainly in Yorkshire. Was known as the "Yorkshire Ripper".[54]
Herbert Mullin	United States	1972 to 1973	13	13	Despite detailed confessions, prosecutors decided not to try him for the first three crimes, instead focusing on crimes that conflicted with his insanity plea.
Boston Strangler	United States	1962 to 1964	13		Although Albert DeSalvo was widely thought to be the Boston Strangler, police and others analysing the case have long doubted the truth of his confession.[55]
Vasiliy Kulik	Soviet Union	1984 to 1986	13		Known as the Irkutsk Monster.[56]
Thozamile Taki	South Africa	2007	13		Known as the "Sugar cane serial killer".
William Suff	United States	1986 to 1992	12	22	County store clerk who raped, stabbed, strangled, and sometimes mutilated 12 or more prostitutes in Riverside County. Known as the "Riverside Prostitute Killer" and the "Lake Elsinore Killer".
Maury Travis	United States	2000 to 2002	12	17	Killed prostitutes in the St. Louis area from 2000 to 2002. Caught when he mailed an Expedia.com map showing where to find a body to a St. Louis newspaper. Committed suicide in prison.
Kenneth Alessio Bianchi	United States	1977 to 1978	12	15	Convicted of strangling twelve females between ages 12 and 28 and suspected in another three cases. One of the "Hillside Stranglers".[57]
Herb Baumeister	United States	1990 to 1996	11–16	25+	Strangled gay men and buried their bodies in his backyard in Indiana and Ohio; 11 men were found in the yard but only 5 were identified. Committed suicide when faced with arrest.
Sergey Golovkin	Soviet Union/ Russia	1986 to 1992	11	40+	[58]
Jack Unterweger	Austria,  United States,  Czech Republic	1974 to 1992	11	15	Served 14 years in Austrian prison because of a murder in 1974; killed at least 9 prostitutes after his release. Was a small media star in Austrian media in the early 1990s and was arrested in the United States, where he may have killed another 3 prostitutes, on behalf of Austrian police. Hanged himself in 1994 after being sentenced to life in prison.
Benjamin Atkins	United States	1991 to 1992	11	11	Raped and strangled his victims before abandoning their bodies in vacant buildings.
John Justin Bunting	Australia	1992 to 1999	11	11	Ringleader in the Snowtown murders (aka Bodies in the Barrels Murders); sentenced to 11 consecutive life sentences without the possibility of parole.
Nannie Doss	United States	1927 and 1954	11	11	Responsible for 11 deaths between 1927 and 1954. Known as the "Giggling Nanny", the "Giggling Granny", and the "Jolly Black Widow".
Clifford Olson	Canada	1980 to 1981	11	11	Considered a dangerous offender, meaning that Olson may never be released from prison. Has had three parole applications rejected.[59] Died September 30, 2011
Martin Lecián[60]	Czech Republic	1927	11	11	Responsible for killing 10 policemen and 1 prison officer. Executed in 1927.
Henri Désiré Landru	France	1914 to 1918	11	Unknown	Active 1914–1918. Beheaded.[61]
Anthony Sowell	United States		11	Unknown
Francisco Garcia Escalero	Spain	1987 to 1994	11
Zhang Yongming	China	2008 to 2012	11	11	executed for his crimes. He sold victims’ flesh as ‘ostrich meat’ and kept eyeballs in wine
Carlos Eduardo Robledo Puch	Argentina	1971	11	11	Convicted of 11 murders and multiple other crimes including attempted murder and sexual assault. Sentenced to life imprisonment in 1980.
Edmund Kemper	United States	1964 to 1973	10	10	A victim of Herbert Mullin was attributed to him originally.[62]
Dennis Rader	United States	1974 to 2004	10	10	Known as the BTK Killer. Murdered ten people in Sedgwick County (in and around Wichita), Kansas, between 1974 and 1991.
Lonnie David Franklin, Jr.	United States	1985 to 2007	10	11	Known as the Grim Sleeper for the alleged 14 year hiatus he took from murdering between 1988 and 2002. Shot and strangled his victims, mostly women, around South Los Angeles.
Robert Joe Wagner	Australia	1992 to 1999	10	10	Secondary ringleader in the Snowtown murders and best friend of John Justin Bunting; sentenced to 10 consecutive life sentences without the possibility of parole.
Henry Louis Wallace	United States		10	10	Confessed to 10 murders in Charlotte, North Carolina, between 1990 and 1994.
Angelo Buono	United States		10	10	Convicted of strangling ten females. One of the "Hillside Stranglers".
Charlene Gallego	United States		10	10	Killed ten victims in Sacramento, California, between 1978 and 1980 together with her husband, Gerald Gallego.
David Randitsheni	South Africa	2004 to 2008	10	10+	Kidnapped 19 people, raped 17, and murdered 10 from 2004 to 2008. Sentenced to 16 consecutive life sentences plus 220 years in prison; hanged himself three weeks after conviction.
Peter Kürten	Germany		9	79	Charged with nine murders and seven attempted murders. Dubbed "The Vampire of Düsseldorf" by the contemporary media. Executed by guillotine in 1931 (age 48).
Francis Heaulme	France	1984 to 1992	9	20	[63]
Dagmar Overbye	Denmark	1913 to 1920	9	15	She murdered between 9 and 25 children – of which one was her own – during a seven-year period. On March 3, 1921, she was sentenced to death in one of the most talked about trials in Danish history, that changed legislation on childcare. The sentence was later commuted to life in prison. Overbye was working as a professional child caretaker, caring for babies born outside of marriage, murdering her own charges. She strangled them, drowned them or burned them to death in her masonry heater. The corpses were either cremated, buried or hidden in the loft.
Ondrej Rigo	Slovakia		9	9	Slovak serial killer and necrophile, who committed his murders during the early 1990s in Slovakia, Germany and Netherlands. He was arrested in 1992 and received a life sentence in 1994. He remains the murderer with the biggest number of victims in the modern history of Slovakia.
Timothy Krajcir	United States		9	9	Confessed to killing nine women, five in Missouri and four others in Illinois and Pennsylvania.
Keith Hunter Jesperson	United States	1990 to 1995	8	160	Dubbed the "Happy Face Killer", Jesperson was convicted of killing 8 women by strangulation.
Norman Afzal Simons	South Africa	1986 to 1994	9	22	Station Strangler, convicted of only one of 22 cases of murder and sodomy of young children near Cape Town.[64]
Rodney Alcala	United States	1977-1979	8	8–100+	Known as the "Dating Game Killer" for appearing on the game show The Dating Game in the middle of his killing years. Was convicted of at least five murders, though his actual total is estimated to be much higher. Had a locker filled with thousands of photographs of women and children, most in sexually explicit poses, and it is suspected that some of the women photographed may be among Alcala's additional victims.
Joseph Paul Franklin	United States		8–15	20	Confessed to 20 murders and several attempted murders. Still awaiting trial for most of these crimes.
Peter Manuel	United Kingdom		8	18	A USA-born Scottish burglar and serial killer who is known to have killed eight people across Lanarkshire between 1956 and 1958 but was believed to have killed up to eighteen. Manuel was the third-last prisoner to be hanged in Scotland.
Christopher Wilder	United States		8	13+	Killed eight women during a spree in April 1984 before accidentally killing himself; suspected in the disappearance and murder of more than 5 more.
Kendall Francois	United States		8	9	From 1996 to 1998, he admitted to killing eight prostitutes in Poughkeepsie, New York, but denies involvement with the disappearance of a ninth prostitute.
Eric Edgar Cooke	Australia		8	8	Nicknamed "The Night Caller", he terrorized the city of Perth from 1959 to 1963 by assaulting 22 people at random with various means, killing eight of them. Hanged on October 26, 1964.
Gary C. Evans	United States	1985 to 1998	8		Murdered eight victims. Met and befriended the Son of Sam killer while incarcerated. Released in 1984, proceeded to burgralize and kill while in and out of jails over 13 years. Aided investigators in a high profile murder case before dodging parole and being chased. The manhunt finally ended when he jumped to his death off a bridge.
Michael Bruce Ross	United States		8	8	Ross confessed to all of the murders, and was convicted of four of them. He was executed by the state of Connecticut on May 13, 2005 by lethal injection, making it the first execution in Connecticut and the whole of New England since 1960.
Marybeth Tinning	United States		8	8	She suffocated eight of her nine children during the 1970s. One daughter died of natural causes shortly after birth, the first of the Tinning children to die.
Sean Vincent Gillis	United States	1994 to 2004	8		Gillis kidnapped, raped, and mutilated the corpses of his victims. Between 1994 and 2003, he was killing Louisiana women at the same time as Derrick Todd Lee, though neither the public nor law enforcement were aware that there was a possible serial killer on the loose. In the end, tire tracks – from a unique brand of tire – at the scene where Donna Bennett Johnston were found ended his career as a serial killer. He was arrested without incident at home on April 29, 2004 and currently resides in Louisiana State Penitentiary at Angola serving life in prison without the possibility of parole, probation or suspension of sentence. In August 2008, in the penalty phase of his first-degree murder trial, the jury was deadlocked over whether to sentence him to death or life for his crimes. The deadlock meant he was given an automatic life sentence. It was, however, a death sentence of sorts since Louisiana is the only state that does not have parole for lifers; Gillis will die in prison. He was so good at hiding his secret life and covering his tracks, his live-in girlfriend of 8 years, Terri Lemoine had no idea of what Gillis was doing until the day police came to arrest him.[65][66][67]
Ivan Milat	Australia	1990s	7	23–37	Convicted of the Backpacker murders; sentenced to seven consecutive life sentences plus 18 years without the possibility of parole. May have had accomplices.
Michael Wayne McGray	Canada	1980s–2010s	7	18	Convicted of the murder of 6 people in the late 1990s, including a woman and her 11 year old daughter. Claims to have killed 11 others. In 2010, killed a cellmate.
Derrick Todd Lee	United States		7	10	Known as the "Baton Rouge or South Louisiana Serial Killer" convicted of three murders, sentenced to death by lethal injection. Believed to have murdered several other women in Louisiana, Mississippi and Alabama.
Doug Clark	United States		7	8+	Boiler operator who killed prostitutes in Los Angeles during 1980. One of the "Sunset Strip Killers".
Václav Mrázek	Czech Republic	1951–1956	7	7	He killed 7 women in Chomutov. Executed in 1957.
Paul Dennis Reid	United States	1997	7	7	Reid killed the employees of restaurants he targeted for a series of robberies.
John Wayne Glover	Australia		6	13	British ex-pat living in Australia. Known by the media as "The Granny Killer" as he targeted elderly women; committed suicide in 2005.
Aileen Carol Wuornos	United States	1989 to 1990	6	8+	Killed strangers, all men, along Florida highways over 13 months while working as a prostitute.
Jack the Stripper	United Kingdom	1964 to 1965	6	8	Murdered at least six prostitutes in London and may have been responsible for the deaths of two others before that. Remains unidentified.
James Miller	Australia		6	7	Sentenced to six consecutive terms of life imprisonment with a non-parole period of 35 years. Died of cancer in 2008.
Giovanna Bonanno	Italy	17th century	6	6+
Robert Berdella	United States	1984–1987	6	6+	Berdella abducted, raped, tortured, and murdered at least six men.
Richard Trenton Chase	United States		6	6	The "Vampire of Sacramento", he was convicted of six murders. In addition to killing his victims, he often raped the women's bodies and drank their blood, or took their organs home and ate them.
David Berkowitz	United States		6	6	The "Son of Sam", he would shoot couples in their cars, killing six and wounding seven.
Aleksandr Rubel	Estonia		6	6	He was intoxicated on gasoline vapour during his murders. Sentenced as a minor to the maximum punishment allowed by law — eight years imprisonment — he was released on 8 June 2006.
András Pándy	Belgium		6	6	Sentenced to life imprisonment in 2002.
Dayton Leroy Rogers	United States	1983–1987	6	6	Killed street women, usually addicts, prostitutes and runaways. He would tie, rape, and kill them in a forest.
Carl Panzram	United States	1915 to 1929	5	22	From 1920 to 1928, he claimed in a posthumous autobiography to have committed over 22 killings, and sodomy of more than 1,000 young men. Hanged on September 5, 1930.
Thomas Dillon	United States	1950 to 2011	5	5	Shot and killed five men in southeastern Ohio, beginning April 1, 1989 and continuing until April 1992.
Richard Cottingham	United States	1977 to 1980	5	85–100	Killer operating in New York and New Jersey who often targeted prostitutes and utilized mutilation as well as dismemberment in his killings. Known as the "Torso Killer", convicted of five murders. He made claims of victim count as up to a hundred, however, there was no evidence to support this and is considered unsubstantiated.
Joe Ball	United States		5	5–20	Bootlegger who is said to have been responsible for up to 20 deaths in South Texas between 1936 and 1938. Known as the "Alligator Man", the "Butcher of Elmendorf" and the "Bluebeard of South Texas".
John Floyd Thomas	United States		5	17–25	Murderer and serial killer suspect.
Anthony Kirkland	United States	1987 to 2009	5	5	Kirkland murdered four females between 2006 and 2009, three of them children, following a 16-year prison term for the murder of another woman.
Hubert Pilčík	Czech Republic	1948–1951	5	10+[68]	Serial killer who after World War II started smuggling people across the border from Czechoslovakia into Germany, but he killed most of his customers.
William Patrick Fyfe	Canada		5	9	Convicted of killing five women in the Montreal area of Quebec, although he claims to have killed four others. Serving a life sentence in West Canada.
Allan Joseph Legere	Canada		5	7+	Convicted of killing five people in the Miramichi area, New Brunswick. Legere is now serving a life sentence Canada's only super maximum prison (Special Handling Unit).
David Maust	United States		5	9	Killed teenage boys; caught when bodies of three boys were found in the concrete floor of his basement in Hammond, Indiana. Committed suicide in prison in 2006.
Danny Rolling	United States		5	8	Known as the "Gainesville Ripper"; murdered five students in August 1990. Executed on October 6, 2006. Shortly before his execution, he gave a handwritten confession to authorities for a triple homicide of an elderly man, his adult daughter, and young grandson that occurred years earlier in Rolling's hometown of Shreveport, LA. Although Rolling was never officially charged or extradicted to LA to stand trial for the "Grissom Murders", Shreveport Police had confirmed even before the confession that Rolling had long been considered the lone suspect and the case was closed.
Joseph E. Duncan III	United States	1996 to 2005	5	7	Convicted of killing a California boy in 1997 and 4 members of an Idaho family in 2005. Confessed to two 1996 murders in Washington state, but has not been formally charged. Currently on U.S. federal death row.
Vincent Johnson	United States		5	6	The Brooklyn Strangler.
Steve Wright	United Kingdom		5	5–22	Referred to as "Suffolk murders", "Ipswich murders", "Ipswich Ripper", "Suffolk Ripper", "Suffolk Strangler", "East Anglia Ripper", "Red Light Ripper" and "the Suffolkator". Murdered five prostitutes, all of whom worked in Ipswich in 2006. There are possible links to previous Suffolk prostitute killings.
William MacDonald	Australia		5	5	Murdered derelicts in Sydney and Brisbane between 1960 and 1962; sentenced to five consecutive life sentences.
Marc Dutroux	Belgium		5	5	Serial killer convicted of having kidnapped, tortured and sexually abused six girls during 1995 and 1996, ranging in age from 8 to 19, four of whom he murdered; also tortured and murdered his accomplice, Bernard Weinstein.
Andrew Cunanan	United States		5	5	Murdered five people including Gianni Versace between April 1997 and July 1997 ending with his suicide.
Harry Powers	United States		5	2	Lonely hearts swindler and conman. Killed two women and three children in Quiet Dell, West Virginia. Arrested 1931 after bodies of victims found buried near his garage. Hanged March 28, 1932.
Jack The Ripper	United Kingdom	1891	5	?	Notorious serial killer who murdered prostitutes in Victorian London. He was never apprehended, nor formally identified. Despite having fewer confirmed victims than many other serial killers, his enduring anonymity and the unusually gruesome manner in which he mutilated the bodies of his victims has held the public imagination and made him one of the world's most infamous serial killers. Even more than a century after the fact, there is still lively speculation about his true identity and attempts to deduce it by both amateur and professional investigators. Theories about his possible identity range from poor working class suspects to a member of the British Royal Family. Since the end of his spree, many following serial killers around the world have been nicknamed "Ripper."
Leonard Fraser	Australia		4	7	Serial rapist and pedophile who murdered four women in Rockhampton between 1998–1999. Sentenced to five consecutive life sentences plus 25 years without the possibility of parole; died in prison of a heart attack on January 1, 2007.
Jozef Slovák	Slovakia		4	4+	A Slovak serial killer active in Czechoslovakia from 1978 to 1991. He was suspected by investigators of more murders, but only four could be proven.
Caroline Grills	Australia		4	4	Poisoned four people (most of them relatives) with thallium hidden in tea and scones she had given them in Sydney between 1947 and 1953. Sentenced to five consecutive life sentences (including one for attempting to poison another family member); died from peritonitis on October 6, 1960.
Arnold Sodeman	Australia		4	4	Also called the "Schoolgirl Strangler", because he preyed on girls between the ages of 8-12. He lured at least two of his victims by offering to buy them ice cream. He offered another victim a ride on his bicycle. He was convicted and hanged in 1936.
Gordon Cummins	United Kingdom		4	4	Active 1942. Raped three of his victims and robbed the remaining one. Also attacked two other women. Sentenced to death by hanging.
Marc Sappington	United States		4	4	Schizophrenic serial killer who heard voices telling him to kill after extended daily PCP use. He cannibalized part of his last victim.
James Vlassakis	Australia		4	4	Snowtown murderer and stepson of John Justin Bunting; sentenced to four consecutive life sentences with a non-parole period of 26 years.
Peter Woodcock	Canada		4	4	Sexual sadist and child rapist. Killed three young children in Toronto in the 1950s. Sentenced to a psychiatric facility, where he murdered a fellow inmate in 1991.
Lam Kor-wan	Hong Kong		4	4	Taxi driver and one of Hong Kong's only serial killers. Famous for keeping body parts in his parents' home.
Kathleen Folbigg	Australia		4	4	Mother convicted of murdering her three infant children and the manslaughter of a fourth child between 1991 and 1999. Sentenced to 30 years imprisonment with a non-parole period of 25 years.
Jerry Brudos	United States		4	4	Electronics technician who bludgeoned and strangled four young women between 1968 and 1969 dressed up in women's clothing. Known as the "Lust Killer" and "Shoe Fetish Slayer".
Miguel Rivera	United States		4	4	Stabbed young boys and cut off their genitals in attempt to transform them into girls in East Harlem and on the Upper West Side of New York between March 1972 and August 1973. Known as "Charlie Chop-Off".
Tsutomu Miyazaki	Japan		4	4	Mutilated and killed four girls, aged between four and seven, and sexually molested their corpses. He drank the blood of one victim and ate her hands.
Ma Jiajue	China	2004	4	4	Cruelly murdered 4 roommates as a college student.
Gordon Northcott	United States		3	17	1928 murderer with his mother in the Wineville Chicken Coop Murders.
Stephen Griffiths	United Kingdom		3	14	Known to have killed 3 prostitutes, but claims to have killed 14 to beat "Yorkshire Ripper" Peter Sutcliffe. Dubbed himself the "Crossbow Cannibal" as he killed his victims with a hammer and crossbow and then later ate parts of them.
Peter Tobin	United Kingdom		3	13+	Scottish rapist and serial killer known to have killed at least three young women between 1991 and 2006. Currently a suspect in the Bible John murders, committed in Glasgow during the late 1960s.
Koos Hertogs	Netherlands		3	12	Dutch serial killer convicted of abducting, torturing, raping and killing three girls between 1979 and 1980. Suspected of killing a further 3 to 9 girls and young women in the 1970s.
Dorothea Montalvo Puente	United States		3	9–25	Ran a boarding house in Sacramento where she poisoned tenants and buried them in the yard in order to steal their social security checks.
Theodore Kaczynski	United States		3	8	Also known as the Unabomber, Kaczynski lived isolated in Montana before his arrest in 1998, sending mail bombs and reactive bombs all over the country to anyone who had a pro-technological stance. Federal authorities were informed of Kaczynski's possible involvement by his brother when he recognized the writing of the Unabomber Manifesto in the New York Times.
Michael Gargiulo	United States		3	6	Dubbed the "Chiller Killer" and AKA the "Hollywood Ripper" whose killing spree spanned from 1993–2000 in Chicago and 2001–2008 in Santa Monica, CA and Los Angeles, CA area. Notable for killing Ashton Kutcher's former girlfriend Ashley Ellerin
Peter Dupas	Australia		3	6	Sexual sadist from Melbourne, who murdered three women and is suspected of at least three further killings. Was convicted of 16 separate acts of sexual violence before his first murder charge. Is serving three consecutive life sentences without the possibility of parole.
Paul Kenneth Bernardo	Canada		3	5	The "Scarborough Rapist" later gained national infamy when he moved into torturing and killing teenage girls, assisted by his wife, Karla Homolka.
Paul Denyer	Australia		3	5	"Frankston Killer", murdered three women in 1993; sentenced to three consecutive life sentences with a non-parole period of 30 years.
Bendali Debs	Australia		3	5	Convicted of the murder of Kirsty Harty at Upper Beaconsfield in 1997, and of the Moorabbin Police murders 14 months later to avoid arrest for a string of armed robberies; sentenced to three consecutive life sentences plus 27 years without the possibility of parole.
Westley Allan Dodd	United States		3	3+	Dodd had an extensive arrest record for molesting children by the time his behavior escalated to include murder. Refusing to appeal his death sentence, he stated that he "should be punished to the full extent of the law, as should all sex offenders and murderers", and that if he ever escaped, he would immediately return to "killing and raping kids". Executed in 1993; his hanging was the first in the United States in 28 years.
Robert Napper	United Kingdom		3	3	Rapist and murderer who mutilated one of his victims so badly that the policeman who found her was put into therapy for two years.
Charles Albright	United States		3	3	The trophies this seemingly well-adjusted former teacher took from his victims led the press to dub him the "Texas Eyeball Killer".
Bible John	United Kingdom		3	3	Unidentified strangler and rapist of young women active in Glasgow between 1968 and 1969.
Leonarda Cianciulli	Italy	1940	3	3	Killed three women and turned them into soap and biscuits; also known as The Soapymaker of Correggio.
William Heirens	United States		3	3	Burglar who stabbed three females between 1945 and 1946. Known as the "Lipstick Killer".
John Joubert	United States		3	3	"The Nebraska Boy Snatcher", Joubert was enlisted in Air Force when he was arrested for the murders of two children. Later linked to another killing previous to his military service, of an 11-year-old boy in Maine. Joubert's criminal behavior began at the age of 13, with a series of random attacks on strangers that went unsolved until his arrest in Nebraska.
Altemio Sanchez	United States		3	3	Known as the Bike Path Rapist for murdering three women and raping at least 14 others in and around the Buffalo, New York area over a span of 25 years (1981–2006). Sentenced to 75 years in prison without the possibility of parole.
Karl F. Warner	United States		3	3	Convicted of murdering three teenage girls, in two separate incidents (between 1969–1971), in the San Francisco Bay Area communities of San Jose and Saratoga, he was briefly suspected of being the notorious Zodiac Killer, but was soon ruled out as a suspect in that case.
Eddie Leonski	Australia		3	3	Confessed to three murders after being picked out of a line of American servicemen by witnesses. Was sentenced to death, and hanged in 1942.
Raman Raghav	India	1966–68	2	23+	Psychopathic serial killer who killed slum dwellers by bludgeoning them when they were asleep. Was charged with 2 murders and sentenced to death, which was later reduced to life in prison.
Ed Gein	United States [69]		2	8	Famous for his necrophiliac behaviours, as well as using/storing body parts of his victims to make household furniture, clothing and other miscellaneous household items.
Gary M. Heidnik	United States	1986–87	2		Kidnapped, tortured, raped and imprisoned six women in his Philadelphia, Pennsylvania basement, killing two.
Shirley Winters	United States		2	7	Confessed in 2008 to killing 2 children (including her 5-month old son), 27 years apart. Plea agreement for those murders included clause stopping investigation of her role in a fire that killed 2 previous children in 1979. Is also a suspect in a separate fire that killed 3 children of a friend in 1979.
Billy Gohl	United States		2–40	140+	Between 1901 and 1913 alleged to have killed from 40 to 140 seamen in Aberdeen, Washington
Glen Rogers	United States		2	5	His capture in Kentucky ended a nationwide manhunt that began with the "Cross-Country Killer's" crime spree that stretched from coast to coast and left four women and one man from five different states dead. Rogers was convicted and sentenced to death by electric chair in Florida on July 11, 1997 for the stabbing death of Tina Marie Cribbs. He was later convicted and given a second death penalty in California for the September 1995 murder of Sandra Gallagher. Also known as the "Casanova Killer", Rogers is the lone suspect in the stabbing deaths of two other women (one in Jackson, Mississippi and another in Bossier City, Louisiana), both of whom—like Cribbs and Gallagher—he'd met and befriended in bars. The earliest homicide Rogers is suspected of is that of an elderly Ohio man, Mark Peters, with whom Rogers had lived for a short time. In 1994, Peters' remains were discovered in a Rogers "family cabin" in Kentucky.[70]
John Norman Collins	United States		1	6	Convicted of the 1969 murder of Karen Sue Beineman, suspected in the murder of at least five other young women in the vicinity of Ann Arbor and Ypsilanti, Michigan.
Sergei Martynov	Russia	1992–2010	1	9	Convicted of raping and murdering a woman in 1992. Currently on trial for killing eight more women during a violent crime spree between 2005 and 2010.

Disputed cases

Name	Country	Years active	Proven victims*	Possible victims	Miscellaneous information
Javed Iqbal	Pakistan	1996 to 1999	74+	100+	He raped, strangled and put acid in several children. Arrested, he claimed 100 victims. He was found guilty of 100 killings but 26 children were found alive after he hanged himself in prison.[71]
Bruno Lüdke	Germany		51	86	Mentally disabled, Lüdke was arrested after being discovered with a corpse. Nazi police declared him insane and imprisoned him in a psychiatric hospital, where he was experimented on before being executed in 1944. The case remains controversial, as the only evidence tying him to the crimes was a confession that may have been physically coerced.
Vera Renczi	Romania	1920 to 1930	32	35	Convicted of killing 35 men through arsenic poisoning but confessed to only killing 32 victims.[72]
Gerald Stano	United States		22+	41	Confessed to killing 41 women in mostly Florida and New Jersey areas. Some controversy surrounds the case as he is believed by some to have been a serial confessor.
H. H. Holmes	United States	1886	27	200+	Was one of the first documented American serial killers in the modern sense of the term. In Chicago, at the time of the 1893 World's Fair, Holmes opened a hotel which he had designed and built for himself specifically with murder in mind, and which was the location of many of his murders.
David Parker Ray	United States	1950 to 1999	12	60	Torture-murderer possibly aided by numerous accomplices, including his girlfriend. Targeted victims in the Truth or Consequences, New Mexico, area, convicted of killing 14 victims and suspected of 60 murders. . Known as the "Toybox Killer" for the mobile home he used as a house to rape, torture, and kill women.
Henry Lee Lucas	United States	1960 to 1983	11	213	Confessed to killing at least 600 people but later recanted and is suspected of lying about a majority of his murders. He originally offered a list of 77 women from 19 different states, as he confessed to more and more murders, the details became increasingly more bizarre. Some included dismemberment, necrophilia, even cannibalism. Lawmen linked the Lucas and Otis Toole to 81 murders alone. Convicted of 11 murders.[73] Detectives from 40 states came to visit Lucas, and an estimated 3,000 homicides were discussed in what is considered to be one of the greatest mockeries of the U.S. legal system when police officers cleared their books of unsolved murders.[74] The true number of murders committed by Lucas is unknown, but it is likely Lucas was not nearly as prolific a serial killer as he initially claimed to be, as most of his murder confessions were thoroughly discredited, and he himself claimed only one murder—that of his mother.[74][75][76] Probably responsible for the deaths of 40 people.[77]
Donald Henry Gaskins	United States	1953 to 1982	9	31–80+	Known as "The Meanest Man in America", he was convicted of nine murders in South Carolina taking place between 1969 and 1975. He was suspected of 31 murders. Killed three victims while incarcerated, one of which by using C-4. Later confessed on death row that he had murdered between 80 and 110 victims. Executed in 1991.
Tommy Lynn Sells	United States		6	70?	A drifter active 1980–1999 throughout the U.S. who specialized in killing children and multiple victims after breaking into their homes. Caught when a 10-year-old girl survived his attack and provided a description of him. On death row in Texas.
Robert Pickton	Canada	1995 to 2001	6	26–49	Found guilty of six counts of second-degree murder. Accused of murdering 20 other women, most of them prostitutes and drug dealers. Comments by Pickton suggest that the total may be 49.
Albert Fish	United States		6	15–100	Pedophile and cannibal. Connected to three murders; claimed to be responsible for many others. Electrocuted on January 16, 1936.
Zodiac Killer	United States	1962 to 1977	5	37	Targeted young couples. Remains unsolved but open in the California jurisdictions the 5 certain Zodiac murders occurred. Potentially 37 total victims claimed but unverified.[78]
Ottis Toole	United States		4	8–125	Convicted of three counts of murder, and confessed to four more murders before dying in prison. A sometime accomplice of convicted serial killer Henry Lee Lucas, Toole admitted to multiple counts of murder, rape, and cannibalism, and was the suspect in several unsolved murders. On December 16, 2008, police announced that they had identified Toole as the likely murderer of Adam Walsh, and would be closing the case as a result.
Thomas Quick	Sweden		3	30+	Raped and murdered up to 30 men. Several scholars, however, have questioned if he killed anyone. Was convicted for 8 murders but, as of September 2012 he has be freed in 5 of those cases.[79]
John Bodkin Adams	United Kingdom		0	163	Acquitted in a highly unusual trial in 1957 of murder but later found guilty of fraud. Archive evidence shows that he was almost certainly a killer but that his prosecution was botched for political reasons.