List of serial killers in the United States

This is a list of notable serial killers from the United States of America.

See also: List of serial killers by country

Convicted serial killers

• Charles Albright: also known as "The Eyeball Killer"; convicted of murdering three prostitutes in Dallas, Texas; sentenced to life imprisonment in 1994
• Rodney Alcala: also known as "The Dating Game Killer"; convicted rapist and serial killer
• Amy Archer-Gilligan: poisoned a husband and four of her nursing home's residents with arsenic or strychnine in Windsor, Connecticut in the 1910s; total could possibly be 48 to 60.
• Benjamin Atkins: also known as "The Woodward Corridor Killer"; mission-oriented killer who raped and strangled eleven women in Highland Park, MI in 1991 and 1992
• Joe Ball: also known as "The Alligator Man"; killed at least 20 women in the early 20th century in Texas
• Velma Barfield: two husbands and two boyfriends died mysteriously with two proving to be arsenic poisoning; confessed to killing three more including her mother
• Herb Baumeister: suspected of killing 20+ men along I-70; fled and committed suicide after remains of 11 were found on his Westfield, Indiana property
• 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
• David Berkowitz: also known as "Son of Sam"; convicted of killing 6 people in New York City in 1976-1977
• Kenneth Bianchi and Angelo Buono Jr: also known as "The Hillside Strangler"; killers of 12 women and possibly involved in three other killings
• Richard 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
• Lawrence Bittaker and Roy Norris: kidnapped, tortured, raped and murdered five girls in 1979
• Terry Blair: Kansas City serial killer and rapist; active 1982–2004
• William Bonin: also known as "The Freeway Killer"; with several accomplices, claimed the lives of 20 boys in California
• Dallen Bounds: killed two strangers, his girlfriend and her ex-husband in 1999
• Gary Ray Bowles: beat and strangled six men to death to steal their credit cards in 1994
• Briley Brothers: three brothers and an accomplice responsible for 11 murders in the 1970s in Richmond, Virginia
• Jerry Brudos: also known as "The Lust Killer" and "Shoe Fetish Slayer"; killed at least 4 women in Oregon
• Judy Buenoano: poisoned her husband, boyfriend and son with arsenic in the 1970s; drowned the son in 1980 but caught in 1983 after poisoning and car bombing a fiancee
• Ted Bundy: law student who raped and murdered more than 35 women in six states; escaped from prison twice before being executed in Florida State Prison on January 24, 1989
• Ricardo Caputo: also known as "The Lady Killer"; visionary Argentine bluebeard who strangled four women across North America in the 1970s becoming one of the FBI 10 Most Wanted
• Harvey Carignan: also known as "The Want-Ad Killer"; raped and beat four young women to death in 1972 and 1973 having escaped hanging for a 1949 killing on a technicality
• David Carpenter: also known as "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: also known as "The Vampire of Sacramento"; murdered six people in California in the 1970s
• Thor Nis Christiansen: shot dead and committed necrophilia on four young women in Isla Vista, California in the late 1970s
• Joseph Christopher: also known as "The Midtown Slasher"; racist who killed 12 African Americans in 1980 and 1981, mutilating two of them
• Douglas Clark and Carol M. Bundy: also known as "The Sunset Strip Killers"; killed at least seven people during 1980
• Cynthia Coffman: kidnapped four women by ATMs before accomplice strangled them in five weeks in 1986
• Carroll Cole: killed 16 people between 1948 and 1980; executed in 1985
• Alton Coleman: multi-state killer whose killings took place during two months in 1984; convicted of murder in three states
• John Norman Collins: also known as "The Co-Ed Killer"; committed murders in Ypsilanti and Ann Arbor between 1967 and 1969
• Ray and Faye Copeland: oldest couple ever sentenced to death in the United States at the ages of 75 and 69; convicted of killing five men; modus operandi was to hire unskilled drifters as farm hands and later kill them
• Dean Corll and Elmer Wayne Henley: committed the Houston Mass Murders in the 1970s
• Juan Corona: California killer convicted of murdering 25 men in 1971
• Tony Costa: killed, dismembered and mutilated four women in Cape Cod in the late 1960s; linked to at least four other deaths and disappearances
• Richard Cottingham: also known as "The Torso Killer"; convicted of murdering six women around New York City between 1967 and 1980
• Juan Covington: shot dead three people including his cousin and a co-worker in Philadelphia in 1998 and 2005
• Andre Crawford: a convicted serial killer, who killed 11 women between 1993 to 1997
• Charles Cullen: nurse in New Jersey and Pennsylvania who killed as many as 40 patients through lethal injection
• Andrew Cunanan: shot dead two friends and two strangers in two weeks in Spring 1997; killed Gianni Versace two months later before committing suicide
• Jeffrey Dahmer: Milwaukee, Wisconsin cannibal who kept heads, skulls and body parts in his apartment for sexual gratification; convicted of 15 murders, but was responsible for two others
• Thomas Dillon: serial sniper who killed five men in southeastern Ohio between 1989 and 1992
• Westley Allan Dodd: raped and murdered three boys in 1989; executed on January 5, 1993
• Ronald Dominique: confessed to raping and murdering at least 23 men in Louisiana; sentenced to eight life sentences in 2008
• Nannie Doss: also known as "The Giggling Granny" and "The Jolly Black Widow"; serial poisoner who killed 11 family members
• Brian Dugan: convicted of murdering two girls and a woman between 1983 and 1985
• Joseph E. Duncan III: abducted and murdered a boy in 1997; bludgeoned three people to death in 2005 home invasion to abduct two more children, one of whom he shot weeks later
• Paul Durousseau: murdered seven in southeast United States between 1997 and 2003; may have killed while stationed in Germany with the Army
• Edward Edwards: shot a young couple in 1977 and stabbed and strangled another in 1980; died months prior to execution for shooting his foster son in 1996 insurance murder
• 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
• Walter Ellis: also known as "The Milwaukee North Side Strangler"; convicted of killing seven prostitutes in Wisconsin between 1986 and 2007
• Scott Erskine: convicted of raping and murdering a woman in 1989 and the torture-murders of two boys in 1993
• Donald Leroy Evans: convicted of two stranglings and police closed the file on another; suspected of another dozen murders but recanted confessions to over 50 more
• Gary Evans: antique thief who shot to death two shop owners and three accomplices who he suspected of stealing from him between 1985 and 1997
• Richard Evonitz: abducted and killed three girls in Spotsylvania County, Virginia in 1996 and 1997
• Larry Eyler: also known as "The Interstate Killer"; convicted of murdering two young men and confessed to stabbing and mutilating 20 more in 1982 and 1983
• Raymond Fernandez and Martha Beck: also known as "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: also known as "The Werewolf of Wisteria"; sadist and pedophile who cannibalized several children; convicted of one murder, confessed to 2 others, claimed to have molested 100 children
• Wayne Adam Ford: also known as "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: also known as "The Killer Clown"; killer of at least 33 men and boys; kept bodies buried under his Chicago home. Executed in 1994.
• Gerald and Charlene Gallego: also known as "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 "Peewee" Gaskins: also known as "The Meanest Man in America"; convicted of nine murders; confessed to more than 200; executed on September 6, 1991
• Ed Gein: From La Crosse, Wisconsin; Ed Gein committed his crimes in Plainfield, Wisconsin ; 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
• Bertha Gifford: found not guilty of three arsenic poisonings by reason of insanity and suspected of 14 other killings, mostly of children, in Missouri
• Kristen Gilbert: also known as "The Angel of Death"; nurse convicted of killing four by epinephrine injection
• Sean Vincent Gillis: convicted of killing and mutilating seven women in Baton Rouge in competition with Derrick Todd Lee between 1994 and 2004
• Lorenzo Gilyard: killed up to 13 prostitutes in the Kansas City area 1977 to 1993
• Harvey Glatman: also known as "The Lonely Hearts Killer"; Californian rapist and killer of three women; lured women to pose for "bondage photographs"; executed September 18, 1959
• Billy Glaze: mission-oriented killer convicted of raping and murdering three Native American prostitutes in Minneapolis in 1986 and 1987
• Billy Gohl: union official linked with the disappearances of over 40 sailors in Aberdeen, Washington in the early 20th century
• Kermit Gosnell: illegal abortionist who murdered three babies in Philadelphia by cutting their spinal cords with scissors; also convicted of involuntary manslaughter of an adult
• Mark Goudeau: also known as "The Baseline Killer"; convicted of nine murders in Phoenix, Arizona
• Gwendolyn Graham and Cathy Wood: Michigan duo who murdered five elderly nursing home residents in their care and claimed to have killed another
• Dana Sue Gray: convicted of murder of three elderly women and attempted murder of a fourth in California
• Vaughn Greenwood: convicted of nine counts of murder, including eight of the "Skid Row Slasher" killings in southern California
• Belle Gunness: Norwegian-born murder-for-profit killer who killed her suitors and children in Indiana
• Anna Marie Hahn: German-born murder-for-profit killer who poisoned five elderly men; executed in 1938
• William Hance: also known as "The Forces Of Evil"; soldier who used the murders of Carlton Gary as an excuse for killing four women around military bases in 1977 and 1978
• Robert Hansen: Alaskan baker who killed prostitutes at his cabin; convicted of four murders but admitted to 11 others
• Harpe Brothers: also known as "Bloody Harpes"; Micajah "Big" Harpe (1768? – August 1799) and Wiley "Little" Harpe (1770? – January 1804), America's first known serial killers were credited with the murders of 40 men, women, and children.
• Donald Harvey: also known as "The Angel of Death"; hospital orderly; confessed to more than 80 "mercy killings" with 37 confirmed killings
• Charles Ray Hatcher: convicted of two child murders in 1978 and 1982 having killed another in 1969; also stabbed to death a fellow inmate and another man 20 years apart
• Dale Hausner: Convicted of killing 6 people in random drive-by shootings in 2006 in Phoenix, Arizona
• William Heirens: also known as "The Lipstick Killer"; confessed to three murders spanning from June 1945 to January 1946
• Loren Herzog and Wesley Shermantine: also known as "Speed Freak Killers"; California duo initially convicted of 7 murders, and suspected in the deaths of as many as 15 people from 1984 to 1999
• Johann Otto Hoch: also known as "The Stockyard Bluebeard"; German who married dozens of US women around the turn of the 20th century, before poisoning them with arsenic
• Dr. 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 eight more and confessed to a total of 27
• Waneta Hoyt: New York woman who murdered her five children
• Michael Hughes: killed six women and a schoolgirl in the South Los Angeles area between 1986 and 1993, including a Southside Slayer victim
• Leslie Irvin: also known as "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: also known as "The Happy Face Killer"; killed 8 women between 1990 and 1995
• Martha Ann Johnson: convicted of smothering three of her children in Atlanta between 1977 and 1982
• Milton Johnson: also known as the The Weekend Murderer" killed 10 people
• Vincent Johnson: also known as "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
• John Joubert: also known as "The Nebraska Boy Snatcher"; stabbed three children to death in 1982 and 1983
• Patrick Kearney: necrophiliac convicted of 21 murders in California and admitted to seven other murders
• Edmund Kemper: also known as "The Co-Ed Killer"; started killing when he was 15 years old in Santa Cruz, California; convicted of six murders and implicated in four others
• Scott Lee Kimball: also known as "Joe Snitch"; FBI informant who pleaded guilty to two of at least four murders in Colorado including those of his uncle and three female acquaintances
• Tillie Klimek: Chicago woman who poisoned five husbands; sentenced to life imprisonment
• Paul John Knowles: raped and murdered 18 people
• Anthony Kirkland killed 5 women between 1987 and 2009
• Randy Steven 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
• Richard Kuklinski : American serial killer that joined the mafia as a contract killer for financial support.
• Leonard Lake and Charles Ng: ex-Marines and survivalists; killed at least 11 people and suspected of 25 in Wilseyville, California; collected and murdered female sex slaves
• Derrick Todd Lee: also known as "The Baton Rouge Serial Killer"; convicted of two murders; linked by DNA evidence to five others
• Bobbie Joe Long: also known as "The Classified Ad Rapist"; killed 10 women in Tampa Bay, Florida in 1984
• Henry Lee Lucas: convicted of 11 murders and confessed to approximately 3,000 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
• Kenneth McDuff: also known as "The Broomstick Killer"; death sentence for 1966 triple-murder commuted; killed three days after 1989 parole and ten further times in Waco, Texas until 1992
• Orville Lynn Majors: nurse convicted of murdering six patients in Clinton, Indiana; suspected of 130 killings between 1993 and 1995
• Richard Laurence Marquette: first 11th name on FBI 10 Most Wanted for killing, mutilating and dismembering woman in 1961; killed two more with same MO upon 1973 release
• Lee Roy Martin: also known as "The Gaffney Strangler"; killed two women and two girls in South Carolina in 1967 and 1968
• Rhonda Belle Martin: Alabama poisoner who murdered six family members; suspected of poisoning at least nine; executed in 1957
• David Mason: strangled four elderly neighbours in 1980 and his cellmate in 1982 having been imprisoned on lesser charges; suspected of shooting dead his boyfriend
• David Edward Maust: convicted of killing five teenage boys; one in Germany in 1974, another in 1981, and three he buried in his basement in Hammond, Indiana in 2003
• David Meirhofer: killed three children and an ex-girlfriend between 1966 and 1974; first serial killer apprehended by offender profiling
• Frederick Mors: Austrian who killed 17 elderly patients by poisoning in New York
• Herbert Mullin: schizophrenic in Santa Cruz, California who killed people to prevent earthquakes; convicted of 10 murders and confessed to three others
• Earle Nelson: also known as "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 Northcott: also known as "The Wineville Chicken Coop Murders"; California man who confessed to kidnapping, raping and murdering young boys with the aid of his mother, Sarah Louise Northcott in the 1920s; convicted of 3 murders, suspected of perhaps 20, executed in 1930
• Carl Panzram: murderer, rapist and arsonist; convicted of two murders; confessed to 19 others; executed in 1930
• Gerald Parker: also known as "The Bedroom Basher" raped and murdered five women and killed the unborn baby of a sixth woman in Orange County, California
• Louise Peete: convicted of murdering a man and woman decades apart, four other acquaintances died suspiciously and four husbands committed suicide
• Steven Brian Pennell: also known as "The Corridor Killer"; convicted of torture-murdering two women, pleaded no contest to two more and suspected of a fifth in Delaware in 1987 and 1988
• Christopher Peterson: also known as "The Shotgun Killer", confessed to shooting seven people with a shotgun in a killing spree spanning from October 30, 1990 to December 18, 1990 in Indiana
• Craig Price: also known as "The Warwick Slasher"; teenager who stabbed two women and two children in Rhode Island in the late 1980s
• Harry Powers; also known as The West Virginia Bluebeard killed two women and three children in 1931
• Cleophus Prince Jr.: also known as "The Clairemont Killer"; raped and killed six women in San Diego in 1990
• Dorothea Puente: convicted of three killings in Sacramento, California during the 1980s; suspected of six others
• Dennis Rader: also known as "The BTK Killer"; killed ten people between 1974 and 1991 in Sedgwick County, Kansas
• Richard Ramirez: also known as "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
• Melvin Rees: also known as "The Sex Beast"; shot and defiled a woman in 1957, torture-murdered a family of four in 1959 and suspected in four other killings
• Paul Dennis Reid: killed seven people during armed robberies between February and April 1997
• Ángel Maturino Reséndiz: killed nine people in Texas, Kentucky, and Illinois
• Gary Ridgway: also known as "The Green River Killer"; convicted of murdering 49 women in Washington state
• Joel Rifkin: murdered 17 women in the New York City and Long Island areas
• Harvey Miguel Robinson: teenager who stalked, raped and killed three women in Allentown, Pennsylvania in 1992 and 1993
• John Edward Robinson: also known as "The Cyber Sex Killer"; lured victims through the internet; convicted of murdering six women in Missouri and Kansas
• Dayton Leroy Rogers: murdered at least six women in Oregon
• Danny Rolling: pleaded guilty to murdering five students in Florida; executed in 2006
• Michael Bruce Ross: raped and murdered seven women in Connecticut; executed May 13, 2005
• Efren Saldivar: respiratory therapist who killed six patients, possibly as many as 120
• Altemio Sanchez: also known as "The Bike Path Rapist"; responsible for three murders and numerous rapes spanning a 25-year period in Buffalo, New York; currently serving three consecutive 75 years-to-life sentences for the murders
• Gerard John Schaefer: Florida police officer who killed up to 34 women and girls
• Charles Schmid: also known as "The Pied Piper of Tucson"; murdered three teenage girls in 1964 and 1965 and buried them in the desert
• Heriberto Seda: New York City copycat killer of the "Zodiac Killer" active from 1990 to 1993; convicted of shooting eight individuals, killing three; sentenced to life imprisonment in 1998
• 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: also known as "The Genesee River Killer"; convicted of 12 murders; confessed to one more
• Anthony Allen Shore: also known as "The Tourniquet Killer"; convicted of strangling a woman with an unusual ligature in 1992 and confessed to killing three girls including two with same MO
• Robert Shulman: convicted of murdering five prostitutes between 1991 and 1996
• Daniel Lee Siebert: convicted of 1979 manslaughter; killed nine people across America in three months in mid-1980s including two children and a Southside Slayer victim
• Robert Joseph Silveria, Jr.: also known as "Sidetrack"; freight train rider convicted of beating to death four fellow transients in 1995 and confessed to dozens more
• 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
• Lyda Southard: first and fourth husbands' 'typhoid' deaths due to arsenic; first husband's brother poisoned and daughter died; two other husbands died of 'flu'
• Anthony Sowell: also known as "The Cleveland Strangler" and "The Imperial Avenue Murderer"; convicted of raping and murdering 11 women between 2007 and 2009, leaving their bodies in his house in Cleveland
• Timothy Wilson Spencer: also known as "The Southside Strangler"; raped and killed five women in Virginia between 1984 and 1987
• Jack Owen Spillman: also known as "The Werewolf Butcher"; killed two girls and the mother of one of them in Washington State in 1994 and 1995
• Edward Spreitzer: also known as "The Chicago Rippers"; as part of a satanic cult, raped and mutilated at least four women and also killed a man in Chicago
• Gerald Stano: convicted murderer of 41 women; executed in 1998
• Charles Starkweather: murdered 11 people throughout Nebraska in two months the late 1950s with his girlfriend; executed in 1959
• Cary Stayner: killed four women in Yosemite, California
• Paul Michael Stephani: also known as "The Weepy-Voiced Killer"; killed 3 women in the cities of Saint Paul and Minneapolis, Minnesota
• William Suff: also known as "The Riverside Prostitute Killer"; killed 12 women near Riverside, California
• Michael Swango: physician and surgeon who poisoned over 30 of his patients and colleagues
• James Swann: also known as "The Shotgun Stalker"; schizophrenic who killed four people in drive-by shootings in Washington, D.C. in 1993 because he heard the voice of Malcolm X
• John Floyd Thomas, Jr.: also known as "The Southland Strangler" and The "Westside Rapist"; convicted of raping and murdering seven elderly women in Los Angeles between 1972 and 1986 and suspected of 10-15 more
• Marybeth Tinning: New York woman who smothered nine of her children to death
• Ottis Toole: Henry Lee Lucas' accomplice; convicted of six murders in Florida; confessed to but never tried for Adam Walsh's murder
• Jane Toppan: nurse and lust murderer who poisoned at least 31 patients and relatives in Massachusetts up to the turn of the 20th century
• Maury Travis: St. Louis area torture killer of 12–17 prostitutes from 2000 to 2002
• Chester Turner: convicted of murdering ten women and a viable unborn baby in South Los Angeles between 1987 and 1998
• Henry Louis Wallace: Charlotte, North Carolina killer of at least nine young women from 1992 to 1994
• Faryion Wardrip: killed five young women around Wichita Falls, Texas between 1984 and 1986
• Karl F. Warner: 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
• 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 stabbing to death six women in the Hudson Valley, New York area from 1991 to 1992
• Christopher Wilder: also known as "The Beauty Queen Killer"; millionaire Australian realtor who killed eight women in seven weeks in 1984
• Scott Williams: killed and mutilated three women between 1997 and 2006
• Wayne Williams: convicted of two murders; police claim his arrest solved 23 in the string of 28 Atlanta Child Murders
• Randall Woodfield: also known as "The I-5 Killer" and "The I-5 Bandit"; convicted of one murder and linked by DNA to six others; believed responsible for an additional 14
• Aileen Wuornos: shot six men dead in Florida; executed in 2002
• Robert Lee Yates: murdered at least 16 women in Spokane County, Washington

Unidentified serial killers

This is a list of unidentified serial killers. It includes circumstances where a suspect has been charged, but not convicted.

• Alphabet murders: also known as "The Double Initial Murders"; murders of three young girls in the Rochester, New York area during the early 1970s.
• Ann Arbor Hospital Murders: pavulon poisonings of ten patients at the Veteran's Administration Hospital in 1975
• Axeman of New Orleans: killer of at least eight people in the New Orleans area from May 1918 to October 1919
• Boston Strangler: 1960s deaths of 13 women (five young, eight older), mostly with their own stockings as ligature. Albert DeSalvo confessed to the murders, but was never indicted, and DNA evidence has suggested his innocence in one of the cases
• Charlie Chop-off: murders of five boys in Manhattan in 1972 and 1973. A mental patient confessed to one slashing death. Four stabbings also involving mutilation remain unsolved
• Cincinnati Strangler: raped and strangled seven mostly elderly women in Cincinnati, Ohio between 1965 and 1966
• Cleveland Torso Murderer: also known as "The Mad Butcher of Kingsbury Run"; responsible for 12–13 murders in the Cleveland, Ohio area in the 1930s
• Colonial Parkway Killer: believed to have murdered at least eight people in Virginia between 1986 and 1989; left three couples dead and one couple missing and presumed dead
• Connecticut River Valley Killer: stabbed at least six women to death in New England in the 1980s, severely injured one
• Daytona Beach killer: murdered four, possibly five, women in Daytona Beach, Florida between 2005 and 2007
• The Doodler: sketched then stabbed to death 14 gay men in San Francisco in the 1970s
• Edgecombe County Serial Killer: murders of nine women and disappearance of another since 2005 around Rocky Mount, North Carolina. Antwan Pittman has been convicted in one case
• Frankford Slasher: allegedly responsible for nine murders in the Frankford neighborhood of Philadelphia, Pennsylvania; Leonard Christopher was convicted of one murder; another murder was committed in same style while he was incarcerated; believed to still be at large
• Freeway Phantom: raped and strangled six young women and girls in Washington, D.C. in the early 1970s, dumping their bodies by freeways
• Grim Sleeper: also known as "The Strawberry murders"; one man has been charged after DNA evidence linked him with ten murders in Los Angeles since 1985.
• Honolulu Strangler: raped and strangled five young women in Hawaii in 1985 and 1986
• Long Island serial killer: suspected of killing eight women, a man and a child since 1996 and dumping their bodies along remote beaches in Suffolk and Nassau County, New York. The killer has been referred to as the Gilgo Beach killer because of the location where the first bodies were found.
• New Bedford Highway Killer: murders of nine women and disappearance of two others between 1988 and 1989
• Oakland County Child Killer: also known as "The Babysitter"; responsible for the murders of four or more children in Oakland County, Michigan in 1976 and 1977
• Original Night Stalker: also known as "The East Area Rapist"; killer and rapist who murdered ten people in Southern California from 1979 through 1986
• Phantom Killer: believed to have committed the Texarkana Moonlight Murders in Texas between February 23 and May 4, 1946
• Santa Rosa Hitchhiker Murders: a series of at least seven unsolved homicides involving female hitchhikers that took place in Sonoma County and Santa Rosa of the North Bay area of California in 1972 and 1973
• Servant Girl Annihilator: also known as "The Austin Axe Murderer"; responsible for at least seven murders in Austin, Texas between 1884 and 1885
• Smiley face murder theory: theoretical serial killer(s) thought by some sources to have drowned college-aged young men across the northern part of the country since 1997; most experts suggest that the deaths were accidental
• West Mesa murders: remains of 11 women, who disappeared between 2003 and 2005, found buried in desert in Albuquerque, New Mexico in 2009 and attributed to a bone collector
• Zodiac Killer: operated in northern California during the 1960s; five known victims; claimed to have killed as many as 37 people