Why are there so many serial killers in the USA and the UK?

Lol nice.

How do you explain the USSR (Russia), Japan, China?

All these countries combined had less serial killers than the USA.

* Beverley Allitt – aka "Angel of Death"; paediatric nurse who killed four babies in her care and injured at least nine others; sentenced to life imprisonment in 1991
* Levi Bellfield – aka "The Bus Stalker Killer"; murdered two female students, attempted to kill a third, and is suspected of up to 20 more attacks and murders; prime suspect in the murder of schoolgirl Milly Dowler
* Robert Black – Scottish schoolgirl killer; convicted of three murders, suspected of many more
* Ian Brady and Myra Hindley – aka "Moors Murderers"; murdered five children, aged between 10 and 17 and buried them in Saddleworth Moor
* Leslie Bailey – killed at least three young boys in and around London in the 1980s
* William Burke and William Hare – notorious body snatchers in Edinburgh in the 19th century
* George Chapman – poisoned three women; suspected by some authors of being Jack the Ripper
* John Childs – murdered six people between 1974 and 1978; sentenced to life imprisonment
* Robert George Clements – doctor who murdered one wife but committed suicide before being arrested; three previous wives died in suspicious circumstances
* John Christie – killed seven women (including his wife) and disputably one infant between 1943 and 1953 and hid them in his house and garden at 10 Rillington Place
* Mary Ann Cotton – British Victorian killer; said to have taken more than 20 victims
* Thomas Neill Cream – aka "Lambeth Poisoner"; began his killing spree in the United States then moved to London; hanged in 1892
* Amelia Dyer – murdered infants in her care; executed in 1896
* Kenneth Erskine – aka "Stockwell Strangler"; sentenced to life imprisonment in 1988 for murdering seven pensioners
* Steven Grieveson – aka "The Sunderland Strangler"; murdered three teenage boys in Sunderland, Tyne and Wear in 1993 and 1994
* John George Haigh – aka the "Acid Bath Murderer" and the "Vampire of London"; active in England during the 1940s; convicted of six murders, but claimed to have killed 9; executed in 1949
* Anthony Hardy – aka the "Camden Ripper"; convicted of three murders; suspected of at least four
* Trevor Hardy – aka "The Beast in the Night"; killed three teenage girls in Manchester from 1974 to 1976
* Colin Ireland – aka "Gay Slayer"; killed five gay men in the early 1990s
* Michael Lupo – aka "Wolf Man"; convicted of four murders and two attempted murders
* Bruce George Peter Lee – serial arsonist and killer
* Patrick Mackay – charged with the murders of five individuals, convicted of three; confessed to killing 11 people
* Peter Manuel – Scottish murderer of seven, suspected of killing 15; executed in 1958
* Robert Maudsley – killer of four; killed three in prison
* Peter Moore – businessman who killed four men at random in Wales
* Donald Neilson – aka "Black Panther; killed four people, including heiress Lesley Whittle
* Dennis Nilsen – killer of 15 (possibly 16) men between 1978 and 1983
* Colin Norris – nurse convicted of killing four patients in Leeds hospitals
* William Palmer – aka "Palmer the Poisoner"; doctor suspected of numerous murders, convicted of one; hanged on June 14, 1856
* Mark Rowntree – 19 year old who killed four people at random
* Amelia Sach and Annie Walters – murdered an unknown number of babies put up for adoption
* Harold Shipman – doctor convicted of 15 murders; a later inquiry stated he had killed at least 215 and possibly up to 457 people over a 25-year period
* George Joseph Smith – aka "The Brides in the Bath"; killer of three women
* John Straffen – child killer and Britain's longest serving prisoner until his death on November 19, 2007
* Peter Sutcliffe – aka the "Yorkshire Ripper"; convicted in 1981 of murdering 13 women and attacking seven more from 1975 to 1980
* Fred West and Rosemary West – aka "House of Horrors"; she was convicted of 10 murders; both are believed to have tortured and murdered at least 12 young women between 1967 and 1987, many at the couple's home in Gloucester; he committed suicide in 1995 while awaiting trial
* Steve Wright – aka "The Suffolk Strangler" or "The Ipswich Ripper"; killed 5 women in six weeks around Ipswich in late 2006


* Richard Angelo – aka "The Angel of Death"; nurse who killed 25 patients on Long Island, New York
* Joe Ball – aka "The Alligator Man"; killed at least 20 women in the early 20th century in Texas
* David Berkowitz – aka "Son of Sam" and "The .44 Caliber Killer"; convicted of six murders in New York
* Bloody Benders – family who killed guests at their inn in Labette County, Kansas in 1872
* Robert Berdella – convicted of killing six men in 1988 in Kansas City, Missouri; sexually tortured and dismembered his victims
* Kenneth Bianchi and Angelo Buono, Jr. – aka the "Hillside Strangler"; killers of 13 women and possibly involved in three other killings
* Richard Fran Biegenwald – convicted of killing five people in the early 1980s in the Asbury Park, New Jersey area; suspected in at least six other murders
* Arthur Gary Bishop – Utah man who murdered five young boys; executed in 1988
* William Bonin – aka "The Freeway Killer"; with several accomplices, claimed the lives of 20 boys in California
* Robert Charles Browne – convicted of two murders in Colorado; confessed to 48 murders
* Jerry Brudos – aka "The Lust Killer" and "Shoe Fetish Slayer"; killed at least five women in Oregon
* Ted Bundy – law student who raped and murdered more than 35 women in six states
* David Carpenter – aka the "Trailside Killer"; murdered five women on San Francisco-area hiking trails between 1979 and 1981
* Michael Bear Carson and Suzan Carson – nomadic hippie killers involved in the counter-culture movement; suspects in 12 homicides; sentenced to life imprisonment for three San Francisco Bay Area murders in 1983
* Dean Carter – murdered at least four women
* Richard Chase – aka "The Vampire of Sacramento"; murdered six people in California the 1970s
* Ray Copeland and Faye Copeland – oldest couple ever sentenced to death in the United States at the ages of 69 and 75; convicted of killing five men; modus operandi was to hire unskilled drifters as farm hands and later kill them
* Dean Corll, Elmer Wayne Henley and David Brooks – committed the Houston Mass Murders in the 1970s
* Juan Corona – California killer convicted of murdering 25 men in 1971
* Andrew Cunanan – murdered five people, including fashion designer Gianni Versace, in a cross-country journey during a three-month period in 1997, ending with Cunanan's suicide, at the age of 27
* Charles Cullen – nurse in New Jersey and Pennsylvania who killed as many as 40 patients through lethal injection
* Jeffrey Dahmer – Milwaukee, Wisconsin cannibal who kept heads, skulls and body parts in his apartment for sexual gratification; convicted of 15 murders, but believed responsible for at least two others
* Albert DeSalvo – aka "The Boston Strangler"; convicted of strangling 13 women
* Nannie Doss – aka "The Giggling Granny" and "The Jolly Black Widow"; serial poisoner who killed 11 family members
* Mack Ray Edwards – convicted of murdering three children after confessing to the murders of six in Los Angeles County between 1953 and 1969; claimed at one point to have killed as many as 18
* Raymond Fernandez and Martha Beck – the "Lonely Hearts Killers"; killed at least three women and one child in the 1940s but suspected in up to 20 murders in New York and Michigan
* Albert Fish – aka the "Werewolf of Wisteria"; sadist and pedophile who cannibalized several children; convicted of one murder, confessed to two others
* Wayne Adam Ford – aka "Wayward Wayne"; confessed to murdering four women; believed to have killed others
* Kendall Francois – serial killer from Poughkeepsie, New York who targeted prostitutes; after strangling the women, he would store them in various crawl spaces in and around his home
* Joseph Paul Franklin – racist serial killer who targeted interracial couples and attempted to assassinate Larry Flynt and Vernon Jordan; convicted of 11 murders and confessed to nine others
* John Wayne Gacy – aka "Killer Clown"; killer of at least 33 men and boys; kept bodies buried under his Chicago home
* Gerald Gallego Jr. and Charlene Williams – aka the "Gallego Sex Slaves Killers"; kidnapped, raped and killed victims in the late 1970s; most of them were teenagers
* Carlton Gary – convicted of the murders of seven elderly women in Georgia
* Donald Henry Gaskins – aka "Meanest Man in America"; convicted of nine murders; confessed to more than 200; executed on September 6, 1991
* Ed Gein – two known victims, one suspected victim, four missing persons; elements of Gein's life and crimes have inspired, at least in part, the films Psycho and The Texas Chain Saw Massacre and the novel/movie The Silence of the Lambs
* Janie Lou Gibbs – Georgia poisoner who killed five family members
* Kristen Gilbert – aka the "Angel of Death"; nurse convicted of killing four by epinephrine injection
* Harvey Glatman – Californian rapist and killer of three women; lured women to pose for "bondage photographs"; executed September 18, 1959
* Jeffrey Gorton – convicted of two rape-murders in Michigan, suspected of more
* Dana Sue Gray – convicted of murder of three elderly women and attempted murder of a fourth in California
* Belle Gunness – murder-for-profit killer who murdered her suitors and children in Indiana
* Robert Hansen – Alaskan baker who killed prostitutes at his cabin; convicted of four murders but admitted to 11 others
* Donald Harvey – aka "Angel of Death"; hospital orderly; confessed to more than 80 "mercy killings" with 37 confirmed killings
* William Heirens – aka "The Lipstick Killer"; confessed to three murders spanning from June 1945 to January 1946
* Waneta Hoyt – New York woman who murdered her five children
* Michael Hughes – killed four women in the Los Angeles area between 1992 and 1993; charged in 2008 with raping and murdering four additional women between 1986 and 1993
* Leslie Irvin – aka "Mad Dog"; convicted of killing six people in Indiana in the mid-1950s; his Supreme Court case set a precedent for fair trials of highly publicized defendants
* Phillip Carl Jablonski – killed at least four women in California and Utah
* Keith Hunter Jesperson – Canadian serial killer convicted in the United States
* Vincent Johnson – aka the "Brooklyn Strangler"; a homeless crack addict who killed at least five prostitutes
* Genene Jones – Texas pediatric nurse who poisoned infants in her care. Convicted of only one murder but suspected of 10 or more others
* Patrick Kearney – necrophiliac convicted of 21 murders in California and admitted to seven other murders
* Edmund Kemper – started killing when he was 15 years old in Santa Cruz, California; convicted of six murders and implicated in four others
* Tillie Klimek – Chicago woman who poisoned five husbands; sentenced to life imprisonment
* Paul John Knowles – raped and murdered 18 people
* Randy Kraft – convicted of the murders of 16 young men and boys; suspected of 51 others in California
* Timothy Krajcir – confessed to killing more than nine women—five in Missouri and four others in Illinois and Pennsylvania
* Peter Kudzinowski – killed children in New Jersey in the 1920s
* Leonard Lake and Charles Ng – ex-Marines and survivalists; killed at least 11 people and suspected of 25; collected and murdered female sex slaves
* Derrick Todd Lee – aka the "Baton Rouge Serial Killer"; convicted of two murders; linked by DNA evidence to five others
* Henry Lee Lucas – convicted of 11 murders and confessed to approximately 3000 others, although most of his confessions are considered outlandish; a task force set up to investigate his claims suggested that the true number of his murders may be as high as 213
* Rhonda Belle Martin – Alabama poisoner who murdered six family members; suspected of poisoning at least nine; executed in 1957
* Herman Mudgett – better known as H.H. Holmes; active from 1890 to 1894 during Chicago's 1893 World's Columbian Exposition; convicted of only one murder but definitively tied to at least 8 more and confessed to a total of 27
* John Allen Muhammad and Lee Boyd Malvo – aka "Beltway Snipers"; Muhammad is convicted of seven murders so far and awaiting prosecution for nine others; Malvo was convicted of, plead guilty to, or confessed to at least nine murders
* Herbert Mullin – schizophrenic in Santa Cruz, California who killed people to prevent earthquakes; convicted of 10 murders and confessed to three others
* Earle Nelson – aka "Gorilla Man"; necrophiliac convicted and hanged for one murder; implicated in about 20 others
* Marie Noe – murdered eight of her children between 1949 and 1968
* Gordon Stewart Northcott – Wineville Chicken Coop Murders
* Carl Panzram – murderer, rapist and arsonist; convicted of two murders; confessed to 19 others; executed in 1930
* Dorothea Puente – convicted of three killings; suspected of six others
* Dennis Rader – aka the "BTK Killer"; killed ten people between 1974 and 1991
* Richard Ramirez – aka the "Night Stalker"; terrorized Los Angeles in 1984 and 1985; convicted of 14 murders
* David Parker Ray – convicted of rape and torture and sentenced to 224 years in prison; FBI believes he was responsible for the deaths of 60 women in Truth or Consequences, New Mexico
* Paul Dennis Reid – killed seven people during armed robberies between February and April of 1997
* Ángel Maturino Reséndiz – killed nine people in Texas, Kentucky, and Illinois
* Gary Ridgway – aka the "Green River Killer"; convicted of murdering 48 women in Washington state
* Joel Rifkin – murdered 17 women in the New York City and Long Island areas
* John Edward Robinson – aka the "Cyber Sex Killer"; lured victims through the internet; convicted of murdering six women in Missouri and Kansas
* Danny Rolling – pleaded guilty to murdering five students in Florida; executed in 2006
* Michael Bruce Ross – raped and murdered seven women in Connecticut
* Efren Saldivar – respiratory therapist who killed six patients, possibly as many as 120
* Altemio Sanchez – aka the "Bike Path Rapist"; responsible for three murders and numerous rapes spanning over a 25-year period in Buffalo, New York; currently serving three consecutive 75 years-to-life sentences for the murders
* Heriberto Seda – a copycat killer of the "Zodiac Killer"
* Gerard John Schaefer – Florida police officer who killed up to 34 women and girls
* Tommy Lynn Sells – convicted of only one murder; admitted to murdering dozens of people across the United States, possibly in excess of 70 although only six are confirmed
* Arthur Shawcross – aka "The Genesee River Killer"; convicted of 12 murders; confessed to one more
* Robert Shulman – convicted of murdering five prostitutes between 1991 and 1996
* Lemuel Smith – confessed to the murders of five people, including an on-duty female prison guard
* Morris Solomon Jr. – handyman who killed six young women between 1986 and 1987 in Sacramento, California
* Gerald Stano – convicted murderer of 41 women; executed in 1998
* Cary Stayner – killed four women in Yosemite, California
* Michael Swango – physician and surgeon who poisoned over 30 of his patients and colleagues
* William Suff – aka the "Riverside Killer"; killed up to 19 women near Riverside, California
* Marybeth Tinning – New York woman who poisoned nine of her children
* Ottis Toole – Henry Lee Lucas' accomplice; convicted of six murders in Florida; confessed to but never tried for Adam Walsh's murder
* Chester Turner – murderer of women in Los Angeles, California; convicted of 12 murders and linked through DNA evidence to another
* Henry Louis Wallace – Charlotte, North Carolina killer of at least nine young women from 1992 to 1994
* Coral Eugene Watts – convicted of two murders; admitted to killing 80 people in Texas and Michigan; possibly guilty of 100 murders
* Nathaniel White – convicted of six murders from 1991 to 1992
* Wayne Williams – convicted of two murders; police claim his arrest solved 23 others in a string of 29
* Gwendolyn Graham and Cathy Wood – Michigan duo who murdered five elderly nursing home residents in their care and claimed to have killed another
* Randall Woodfield – aka the "The I-5 Killer" and "The I-5 Bandit"; convicted of four murders; believed responsible for 14 others
* Aileen Wuornos – shot six men dead in Florida; executed in 2002
* Robert Lee Yates – murdered at least 13 women in Spokane County, Washington

Doesn't Russia have the highest homicide rate in the world?

Stalin - 30 million
Mao - 60 million
Pol Pot - 2 million (50% of country pop.)
African Marxists - untold millions

No...think cocaine...Columbia!

Like other have said, the UK & USA have larger population then all the other countries you listed therefore, the bigger the population, the more serial killers there are.

Also, some police forces in other countries are, compared to our police, poor and may not catch all killers.

I think population is the main reason, if you look at the list for the USA and look how much larger it is compared to the UK you can see what we mean. I can't remember the exact figures of population for the USA but it's larger therefore there's more serial killers.

Don't count as serial killers because Stalin didn't personally kill 30 million.

Moron.

Don't count as serial killers because Stalin didn't personally kill 30 million.

Moron.

* Beverley Allitt – aka "Angel of Death"; paediatric nurse who killed four babies in her care and injured at least nine others; sentenced to life imprisonment in 1991
* Levi Bellfield – aka "The Bus Stalker Killer"; murdered two female students, attempted to kill a third, and is suspected of up to 20 more attacks and murders; prime suspect in the murder of schoolgirl Milly Dowler
* Robert Black – Scottish schoolgirl killer; convicted of three murders, suspected of many more
* Ian Brady and Myra Hindley – aka "Moors Murderers"; murdered five children, aged between 10 and 17 and buried them in Saddleworth Moor
* Leslie Bailey – killed at least three young boys in and around London in the 1980s
* William Burke and William Hare – notorious body snatchers in Edinburgh in the 19th century
* George Chapman – poisoned three women; suspected by some authors of being Jack the Ripper
* John Childs – murdered six people between 1974 and 1978; sentenced to life imprisonment
* Robert George Clements – doctor who murdered one wife but committed suicide before being arrested; three previous wives died in suspicious circumstances
* John Christie – killed seven women (including his wife) and disputably one infant between 1943 and 1953 and hid them in his house and garden at 10 Rillington Place
* Mary Ann Cotton – British Victorian killer; said to have taken more than 20 victims
* Thomas Neill Cream – aka "Lambeth Poisoner"; began his killing spree in the United States then moved to London; hanged in 1892
* Amelia Dyer – murdered infants in her care; executed in 1896
* Kenneth Erskine – aka "Stockwell Strangler"; sentenced to life imprisonment in 1988 for murdering seven pensioners
* Steven Grieveson – aka "The Sunderland Strangler"; murdered three teenage boys in Sunderland, Tyne and Wear in 1993 and 1994
* John George Haigh – aka the "Acid Bath Murderer" and the "Vampire of London"; active in England during the 1940s; convicted of six murders, but claimed to have killed 9; executed in 1949
* Anthony Hardy – aka the "Camden Ripper"; convicted of three murders; suspected of at least four
* Trevor Hardy – aka "The Beast in the Night"; killed three teenage girls in Manchester from 1974 to 1976
* Colin Ireland – aka "Gay Slayer"; killed five gay men in the early 1990s
* Michael Lupo – aka "Wolf Man"; convicted of four murders and two attempted murders
* Bruce George Peter Lee – serial arsonist and killer
* Patrick Mackay – charged with the murders of five individuals, convicted of three; confessed to killing 11 people
* Peter Manuel – Scottish murderer of seven, suspected of killing 15; executed in 1958
* Robert Maudsley – killer of four; killed three in prison
* Peter Moore – businessman who killed four men at random in Wales
* Donald Neilson – aka "Black Panther; killed four people, including heiress Lesley Whittle
* Dennis Nilsen – killer of 15 (possibly 16) men between 1978 and 1983
* Colin Norris – nurse convicted of killing four patients in Leeds hospitals
* William Palmer – aka "Palmer the Poisoner"; doctor suspected of numerous murders, convicted of one; hanged on June 14, 1856
* Mark Rowntree – 19 year old who killed four people at random
* Amelia Sach and Annie Walters – murdered an unknown number of babies put up for adoption
* Harold Shipman – doctor convicted of 15 murders; a later inquiry stated he had killed at least 215 and possibly up to 457 people over a 25-year period
* George Joseph Smith – aka "The Brides in the Bath"; killer of three women
* John Straffen – child killer and Britain's longest serving prisoner until his death on November 19, 2007
* Peter Sutcliffe – aka the "Yorkshire Ripper"; convicted in 1981 of murdering 13 women and attacking seven more from 1975 to 1980
* Fred West and Rosemary West – aka "House of Horrors"; she was convicted of 10 murders; both are believed to have tortured and murdered at least 12 young women between 1967 and 1987, many at the couple's home in Gloucester; he committed suicide in 1995 while awaiting trial
* Steve Wright – aka "The Suffolk Strangler" or "The Ipswich Ripper"; killed 5 women in six weeks around Ipswich in late 2006


* Richard Angelo – aka "The Angel of Death"; nurse who killed 25 patients on Long Island, New York
* Joe Ball – aka "The Alligator Man"; killed at least 20 women in the early 20th century in Texas
* David Berkowitz – aka "Son of Sam" and "The .44 Caliber Killer"; convicted of six murders in New York
* Bloody Benders – family who killed guests at their inn in Labette County, Kansas in 1872
* Robert Berdella – convicted of killing six men in 1988 in Kansas City, Missouri; sexually tortured and dismembered his victims
* Kenneth Bianchi and Angelo Buono, Jr. – aka the "Hillside Strangler"; killers of 13 women and possibly involved in three other killings
* Richard Fran Biegenwald – convicted of killing five people in the early 1980s in the Asbury Park, New Jersey area; suspected in at least six other murders
* Arthur Gary Bishop – Utah man who murdered five young boys; executed in 1988
* William Bonin – aka "The Freeway Killer"; with several accomplices, claimed the lives of 20 boys in California
* Robert Charles Browne – convicted of two murders in Colorado; confessed to 48 murders
* Jerry Brudos – aka "The Lust Killer" and "Shoe Fetish Slayer"; killed at least five women in Oregon
* Ted Bundy – law student who raped and murdered more than 35 women in six states
* David Carpenter – aka the "Trailside Killer"; murdered five women on San Francisco-area hiking trails between 1979 and 1981
* Michael Bear Carson and Suzan Carson – nomadic hippie killers involved in the counter-culture movement; suspects in 12 homicides; sentenced to life imprisonment for three San Francisco Bay Area murders in 1983
* Dean Carter – murdered at least four women
* Richard Chase – aka "The Vampire of Sacramento"; murdered six people in California the 1970s
* Ray Copeland and Faye Copeland – oldest couple ever sentenced to death in the United States at the ages of 69 and 75; convicted of killing five men; modus operandi was to hire unskilled drifters as farm hands and later kill them
* Dean Corll, Elmer Wayne Henley and David Brooks – committed the Houston Mass Murders in the 1970s
* Juan Corona – California killer convicted of murdering 25 men in 1971
* Andrew Cunanan – murdered five people, including fashion designer Gianni Versace, in a cross-country journey during a three-month period in 1997, ending with Cunanan's suicide, at the age of 27
* Charles Cullen – nurse in New Jersey and Pennsylvania who killed as many as 40 patients through lethal injection
* Jeffrey Dahmer – Milwaukee, Wisconsin cannibal who kept heads, skulls and body parts in his apartment for sexual gratification; convicted of 15 murders, but believed responsible for at least two others
* Albert DeSalvo – aka "The Boston Strangler"; convicted of strangling 13 women
* Nannie Doss – aka "The Giggling Granny" and "The Jolly Black Widow"; serial poisoner who killed 11 family members
* Mack Ray Edwards – convicted of murdering three children after confessing to the murders of six in Los Angeles County between 1953 and 1969; claimed at one point to have killed as many as 18
* Raymond Fernandez and Martha Beck – the "Lonely Hearts Killers"; killed at least three women and one child in the 1940s but suspected in up to 20 murders in New York and Michigan
* Albert Fish – aka the "Werewolf of Wisteria"; sadist and pedophile who cannibalized several children; convicted of one murder, confessed to two others
* Wayne Adam Ford – aka "Wayward Wayne"; confessed to murdering four women; believed to have killed others
* Kendall Francois – serial killer from Poughkeepsie, New York who targeted prostitutes; after strangling the women, he would store them in various crawl spaces in and around his home
* Joseph Paul Franklin – racist serial killer who targeted interracial couples and attempted to assassinate Larry Flynt and Vernon Jordan; convicted of 11 murders and confessed to nine others
* John Wayne Gacy – aka "Killer Clown"; killer of at least 33 men and boys; kept bodies buried under his Chicago home
* Gerald Gallego Jr. and Charlene Williams – aka the "Gallego Sex Slaves Killers"; kidnapped, raped and killed victims in the late 1970s; most of them were teenagers
* Carlton Gary – convicted of the murders of seven elderly women in Georgia
* Donald Henry Gaskins – aka "Meanest Man in America"; convicted of nine murders; confessed to more than 200; executed on September 6, 1991
* Ed Gein – two known victims, one suspected victim, four missing persons; elements of Gein's life and crimes have inspired, at least in part, the films Psycho and The Texas Chain Saw Massacre and the novel/movie The Silence of the Lambs
* Janie Lou Gibbs – Georgia poisoner who killed five family members
* Kristen Gilbert – aka the "Angel of Death"; nurse convicted of killing four by epinephrine injection
* Harvey Glatman – Californian rapist and killer of three women; lured women to pose for "bondage photographs"; executed September 18, 1959
* Jeffrey Gorton – convicted of two rape-murders in Michigan, suspected of more
* Dana Sue Gray – convicted of murder of three elderly women and attempted murder of a fourth in California
* Belle Gunness – murder-for-profit killer who murdered her suitors and children in Indiana
* Robert Hansen – Alaskan baker who killed prostitutes at his cabin; convicted of four murders but admitted to 11 others
* Donald Harvey – aka "Angel of Death"; hospital orderly; confessed to more than 80 "mercy killings" with 37 confirmed killings
* William Heirens – aka "The Lipstick Killer"; confessed to three murders spanning from June 1945 to January 1946
* Waneta Hoyt – New York woman who murdered her five children
* Michael Hughes – killed four women in the Los Angeles area between 1992 and 1993; charged in 2008 with raping and murdering four additional women between 1986 and 1993
* Leslie Irvin – aka "Mad Dog"; convicted of killing six people in Indiana in the mid-1950s; his Supreme Court case set a precedent for fair trials of highly publicized defendants
* Phillip Carl Jablonski – killed at least four women in California and Utah
* Keith Hunter Jesperson – Canadian serial killer convicted in the United States
* Vincent Johnson – aka the "Brooklyn Strangler"; a homeless crack addict who killed at least five prostitutes
* Genene Jones – Texas pediatric nurse who poisoned infants in her care. Convicted of only one murder but suspected of 10 or more others
* Patrick Kearney – necrophiliac convicted of 21 murders in California and admitted to seven other murders
* Edmund Kemper – started killing when he was 15 years old in Santa Cruz, California; convicted of six murders and implicated in four others
* Tillie Klimek – Chicago woman who poisoned five husbands; sentenced to life imprisonment
* Paul John Knowles – raped and murdered 18 people
* Randy Kraft – convicted of the murders of 16 young men and boys; suspected of 51 others in California
* Timothy Krajcir – confessed to killing more than nine women—five in Missouri and four others in Illinois and Pennsylvania
* Peter Kudzinowski – killed children in New Jersey in the 1920s
* Leonard Lake and Charles Ng – ex-Marines and survivalists; killed at least 11 people and suspected of 25; collected and murdered female sex slaves
* Derrick Todd Lee – aka the "Baton Rouge Serial Killer"; convicted of two murders; linked by DNA evidence to five others
* Henry Lee Lucas – convicted of 11 murders and confessed to approximately 3000 others, although most of his confessions are considered outlandish; a task force set up to investigate his claims suggested that the true number of his murders may be as high as 213
* Rhonda Belle Martin – Alabama poisoner who murdered six family members; suspected of poisoning at least nine; executed in 1957
* Herman Mudgett – better known as H.H. Holmes; active from 1890 to 1894 during Chicago's 1893 World's Columbian Exposition; convicted of only one murder but definitively tied to at least 8 more and confessed to a total of 27
* John Allen Muhammad and Lee Boyd Malvo – aka "Beltway Snipers"; Muhammad is convicted of seven murders so far and awaiting prosecution for nine others; Malvo was convicted of, plead guilty to, or confessed to at least nine murders
* Herbert Mullin – schizophrenic in Santa Cruz, California who killed people to prevent earthquakes; convicted of 10 murders and confessed to three others
* Earle Nelson – aka "Gorilla Man"; necrophiliac convicted and hanged for one murder; implicated in about 20 others
* Marie Noe – murdered eight of her children between 1949 and 1968
* Gordon Stewart Northcott – Wineville Chicken Coop Murders
* Carl Panzram – murderer, rapist and arsonist; convicted of two murders; confessed to 19 others; executed in 1930
* Dorothea Puente – convicted of three killings; suspected of six others
* Dennis Rader – aka the "BTK Killer"; killed ten people between 1974 and 1991
* Richard Ramirez – aka the "Night Stalker"; terrorized Los Angeles in 1984 and 1985; convicted of 14 murders
* David Parker Ray – convicted of rape and torture and sentenced to 224 years in prison; FBI believes he was responsible for the deaths of 60 women in Truth or Consequences, New Mexico
* Paul Dennis Reid – killed seven people during armed robberies between February and April of 1997
* Ángel Maturino Reséndiz – killed nine people in Texas, Kentucky, and Illinois
* Gary Ridgway – aka the "Green River Killer"; convicted of murdering 48 women in Washington state
* Joel Rifkin – murdered 17 women in the New York City and Long Island areas
* John Edward Robinson – aka the "Cyber Sex Killer"; lured victims through the internet; convicted of murdering six women in Missouri and Kansas
* Danny Rolling – pleaded guilty to murdering five students in Florida; executed in 2006
* Michael Bruce Ross – raped and murdered seven women in Connecticut
* Efren Saldivar – respiratory therapist who killed six patients, possibly as many as 120
* Altemio Sanchez – aka the "Bike Path Rapist"; responsible for three murders and numerous rapes spanning over a 25-year period in Buffalo, New York; currently serving three consecutive 75 years-to-life sentences for the murders
* Heriberto Seda – a copycat killer of the "Zodiac Killer"
* Gerard John Schaefer – Florida police officer who killed up to 34 women and girls
* Tommy Lynn Sells – convicted of only one murder; admitted to murdering dozens of people across the United States, possibly in excess of 70 although only six are confirmed
* Arthur Shawcross – aka "The Genesee River Killer"; convicted of 12 murders; confessed to one more
* Robert Shulman – convicted of murdering five prostitutes between 1991 and 1996
* Lemuel Smith – confessed to the murders of five people, including an on-duty female prison guard
* Morris Solomon Jr. – handyman who killed six young women between 1986 and 1987 in Sacramento, California
* Gerald Stano – convicted murderer of 41 women; executed in 1998
* Cary Stayner – killed four women in Yosemite, California
* Michael Swango – physician and surgeon who poisoned over 30 of his patients and colleagues
* William Suff – aka the "Riverside Killer"; killed up to 19 women near Riverside, California
* Marybeth Tinning – New York woman who poisoned nine of her children
* Ottis Toole – Henry Lee Lucas' accomplice; convicted of six murders in Florida; confessed to but never tried for Adam Walsh's murder
* Chester Turner – murderer of women in Los Angeles, California; convicted of 12 murders and linked through DNA evidence to another
* Henry Louis Wallace – Charlotte, North Carolina killer of at least nine young women from 1992 to 1994
* Coral Eugene Watts – convicted of two murders; admitted to killing 80 people in Texas and Michigan; possibly guilty of 100 murders
* Nathaniel White – convicted of six murders from 1991 to 1992
* Wayne Williams – convicted of two murders; police claim his arrest solved 23 others in a string of 29
* Gwendolyn Graham and Cathy Wood – Michigan duo who murdered five elderly nursing home residents in their care and claimed to have killed another
* Randall Woodfield – aka the "The I-5 Killer" and "The I-5 Bandit"; convicted of four murders; believed responsible for 14 others
* Aileen Wuornos – shot six men dead in Florida; executed in 2002
* Robert Lee Yates – murdered at least 13 women in Spokane County, Washington