Deceased Killers

John Reginald Halliday Christie became one of the United Kingdom's most infamous serial killers after murdering multiple women, including his wife, at his home in Notting Hill, London, during the 1940s and early 1950s. His crimes, committed at 10 Rillington Place, led to one of Britain's greatest miscarriages of justice when Timothy Evans was wrongly convicted and executed before Christie's guilt was uncovered. The case remains one of the most significant in British criminal history.

John Duffy was a British serial killer and rapist known as one of the "Railway Killers," responsible for a series of attacks on women near railway stations in London during the 1980s. He committed his crimes alongside accomplice David Mulcahy. Duffy was eventually arrested and convicted, receiving a life sentence. His case was significant in the development of offender profiling techniques in the United Kingdom and remains one of the most notorious series of crimes in London’s history.

John Haigh, known as the "Acid Bath Murderer," was a British serial killer who murdered victims and disposed of their bodies using sulfuric acid in the 1940s. He targeted wealthy individuals and used fraud to gain access to their assets. Haigh was eventually arrested and convicted after investigators uncovered evidence of his crimes. He was executed in 1949, and his case remains one of the most infamous murder cases in British history.

John Wayne Gacy was an American serial killer and sex offender who murdered multiple victims in Illinois during the 1970s. He became widely known for maintaining a public image as a community figure while committing crimes in secret. Gacy’s case gained notoriety due to the scale of his offences and the contrast between his outward persona and his actions. He was later convicted and sentenced to death, becoming one of the most infamous serial killers in U.S. history.

Lawrence Sigmund Bittaker became one of the most infamous serial killers in American history after murdering five teenage girls alongside accomplice Roy Lewis Norris during a five-month period in Southern California in 1979. Operating from a customized van that became known as the "Murder Mac," the pair targeted runaway and hitchhiking teenagers before killing them and disposing of their bodies in remote mountain areas. Bittaker was convicted of five murders and sentenced to death, remaining on California's death row until his death in prison in 2019.

Leonard Thomas Lake became one of the most infamous serial killers in American history after operating a secluded compound in Wilseyville, California, with accomplice Charles Ng during the early 1980s. Investigators believe the pair murdered at least 11 people, although the true number of victims may be significantly higher. Their crimes came to light in 1985 following Lake's arrest for shoplifting, leading police to uncover buried human remains, extensive video recordings, journals, and evidence documenting one of the most disturbing serial murder investigations in United States history.

Marcel Petiot was a French serial killer active during World War II, who lured victims under the pretense of helping them escape Nazi-occupied France. Instead, he murdered them and disposed of their bodies. After the war, authorities uncovered the extent of his crimes, leading to his arrest and trial. Petiot was convicted and executed by guillotine in 1946, and his case remains one of the most infamous in French criminal history.

Mark Barton was an American mass murderer responsible for the 1999 Atlanta day trading office shootings. He killed multiple people at two offices after earlier murdering members of his own family. Barton later died by suicide, ending a multi-day manhunt. The case shocked the public and raised concerns about workplace violence and financial stress-related crimes.