Anna Marie Hahn, a German-born American serial killer, poisoned several individuals, killing five in a series of crimes. Her actions involved administering toxic substances to victims, leading to multiple fatalities.
Anthony Joseph Garcia, a former medical doctor, was convicted of two double murders in Omaha, Nebraska, in 2008 and 2013. Arrested in July 2013, he faced trial in October 2016, was found guilty on all counts, and received a death sentence.
Anthony John Hardy, known as the Camden Ripper, dismembered multiple victims. In 2003, he received three life terms for three murders, though evidence suggests he may have killed up to nine people. His crimes remain a subject of forensic and criminal psychology analysis.
Delusional Australian criminal planned "Kill Seven" Murders with his teenage gang, resulting in three deaths. McCafferty, dubbed Australia's Charles Manson, faced public outrage after his 1997 release, leading to his deportation to Scotland where he continued causing problems.
Arohn Kee, known as the "East-Harlem Murderer," is an American serial killer linked to four non-consensual sex cases and at least three murders of teenage girls in East Harlem, Manhattan, between 1991 and 1998. His crimes span multiple street blocks in the area during that period.
Serial Killer Documentary: Arthur "Killer Whale" Shawcross examines the crimes of Arthur Shawcross, the American serial killer known as the "Genesee River Killer," whose murders in upstate New York during the late 1980s followed his release from prison for earlier homicides. The documentary explores his criminal history, the investigation, and...
Beverley Gail Allitt, a British serial killer, was convicted of murdering four children, attempting to kill three others, and causing grievous harm to six more in a criminal case.
Robert Andrew Berdella Jr., an American serial killer, kidnapped and murdered at least six young men in Kansas City, Missouri, between 1984 and 1987. His victims endured up to six weeks of captivity before being killed.
Eighteen-year-old Judith Neelley lured teenagers to their deaths, persuading Alvin to participate in brutal crimes. She injected Lisa Millican with drain cleaner and shot her, then fatally wounded John Hancock. The jury determined she acted of her own volition, not under Alvin's control, despite debates over her mental state.
British serial killer Bruce George Peter Lee, also known as Peter George Dinsdale, confessed to 11 arsons and was convicted of 26 manslaughter counts. Eleven convictions were overturned on appeal, leading to a life prison sentence in 1981.
Bruce McArthur, known as the "Flower Pot Killer," targeted and murdered multiple men in Toronto's LGBTQ community, disposing of remains in flower pots. His crimes, spanning years, were uncovered through an investigation revealing his methods and past, leading to his eventual arrest and prosecution.
Carlton Michael Gary, an American serial killer, was convicted for three elderly women's murders in Columbus, Georgia, between 1977 and 1978, though suspected of four more. Arrested in 1978 for robbery, he escaped in 1983, was recaptured in 1984, convicted of the murders in 1986, and executed by lethal injection on March 15, 2018.