A serial killer is typically a person who murders three or more persons, with the murders taking place over more than a month and including a significant period of time between them. While most authorities set a threshold of three murders, others extend it to four or lessen it to two.
John Wayne Gacy was an American serial killer and sex offender who raped, tortured, and murdered at least 33 young men and boys in Norwood Park Township, near Chicago, Illinois. He became known as the Killer Clown due to his public performances as a clown prior to the discovery of his crimes.
Edward Theodore Gein, also known as the Butcher of Plainfield or the Plainfield Ghoul, was an American murderer, suspected serial killer and body snatcher. Gein's crimes, committed around his hometown of Plainfield, Wisconsin, gathered widespread notoriety in 1957 after authorities discovered that he had exhumed corpses from local graveyards and fashioned keepsakes from their bones and skin. He also confessed to killing two women: tavern owner Mary Hogan in 1954, and hardware store owner Bernice Worden in 1957.
Gary Leon Ridgway is an American serial killer known as the Green River Killer. He was initially convicted of 48 separate murders committed between the early 1980s and late 1990s. As part of his plea bargain, another conviction was added, bringing the total number of convictions to 49, making him the second most prolific serial killer in United States history according to confirmed murders.
Robert K. Ressler was an FBI agent and author. He played a significant role in the psychological profiling of violent offenders in the 1970s and is often credited with coining the term "serial killer", though the term is a direct translation of the German term "Serienmörder" coined in 1930 by Berlin investigator Ernst Gennat. After retiring from the FBI, he authored a number of books on serial murders, and often gave lectures on criminology.
Portrait of a Killer: Jack the Ripper—Case Closed (ISBN 0-425-19273-3) is a 2002 nonfiction book by crime novelist Patricia Cornwell that presents the theory that Walter Sickert, a German-British painter, was the 19th-century serial killer known as Jack the Ripper.
Helen Louise Morrison is an American forensic psychiatrist, writer and profiler. She was born in Greensburg, Pennsylvania and attended Temple University, the Medical College of Pennsylvania, and the Chicago Psychoanalytic Institute. Her work involves the psychology of serial killers.
Charles Edmund Cullen is an American serial killer. Cullen, a nurse, murdered dozens—possibly hundreds—of patients during a 16-year career spanning several New Jersey medical centers until being arrested in 2003. He confessed to committing as many as 40 murders at least 29 of which have been confirmed; though interviews with police, psychiatrists and journalists suggest he committed many more. Researchers who are intimately involved in the case believe Cullen may have murdered as many as 400 people. However, most murders cannot be confirmed due to lack of records.
John Edward Douglas is an American retired special agent and unit chief in the United States Federal Bureau of Investigation (FBI).
Gwendolyn Gail Graham and Catherine May Wood are American serial killers convicted of killing five elderly women in Walker, Michigan, a suburb of Grand Rapids, in 1987. They committed their crimes in the Alpine Manor nursing home, where they both worked as nurse's aides.
The Oakland County Child Killer (OCCK) is the name given to the perpetrator(s) responsible for the serial killings of at least four children in Oakland County, Michigan, United States, between 1976 and 1977. The victims were held captive before being killed, and forensic DNA testing has indirectly implicated two suspects, one of whom has since died, with the other serving life in prison for offenses against children. A DNA profile of the main perpetrator was created from samples taken from some of the victims' bodies, but does not match the DNA of anyone named in connection with the case; the perpetrator's identity is unknown.
The Lisbon Ripper was an unidentified serial killer who, between 1992 and 1993 murdered three prostitutes in Lisbon, Portugal.
Fictional portrayals of psychopaths, or sociopaths, are some of the most notorious in film and literature but may only vaguely or partly relate to the concept of psychopathy, which is itself used with varying definitions by mental health professionals, criminologists and others. The character may be identified as a diagnosed/assessed psychopath or sociopath within the fictional work itself, or by its creator when discussing their intentions with the work, which might be distinguished from opinions of audiences or critics based only on a character appearing to show traits or behaviors associated with an undefined popular stereotype of psychopathy.
Benjamin "Tony" Atkins , also known as The Woodward Corridor Killer, was an American serial killer and rapist who murdered, tortured, and raped 11 women in Highland Park and Detroit, Michigan, during a period of eight months between December 1991 and August 1992.
The Last Victim: A True-Life Journey into the Mind of the Serial Killer (1999) is a non-fiction work by author Jason Moss, co-authored with counseling professor Jeffrey Kottler, in which he details his fascination and subsequent correspondence with several notorious American serial killers.
Infamous Murders was a documentary television series shown on The History Channel in the U.S. and the U.K. The U.S. edition was narrated by Don Peoples. In the U.K. edition the narrator is uncredited.
The Villisca axe murders occurred between the evening of June 9, 1912, to the early morning of June 10, 1912; in the town of Villisca, Iowa, in the United States. The six members of the Moore family and two guests were found bludgeoned in the Moore residence. All eight victims, including six children, had severe head wounds from an axe. A lengthy investigation yielded several suspects, one of whom was tried twice. The first trial ended in a hung jury and the second ended in an acquittal.
Edward Wayne Edwards was an American serial killer and former fugitive. Edwards escaped from jail in Akron, Ohio, in 1955 and fled across the country, holding up gas stations. By 1961, he was on the FBI's Ten Most Wanted Fugitives list.
The Man from the Train is a 2017 true crime book written by Bill James and his daughter Rachel McCarthy James.
Conversations with a Killer: The John Wayne Gacy Tapes is a limited docuseries created and directed by Joe Berlinger for Netflix. It is the second installment in the Conversations with a Killer series and succeeds Conversations with a Killer: The Ted Bundy Tapes. The series depicts the murder spree of serial killer John Wayne Gacy, who killed at least 33 teenage boys and young men between 1972 and 1978 in Chicago, Illinois. The story is depicted through never-before-heard archival audio footage that was recorded during Gacy's incarceration, interviews with participants close to the case and from one of the surviving victims. It was released on April 20, 2022.
