Katherine Knight
The Australian killer Katherine Knight killed her partner and skinned his body in a shocking act of cannibalism.
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Robert Durst
Suspected in the disappearance of his wife, Robert Durst was convicted of the murders of his friend and neighbor.
Issei Sagawa
Cannibal killer Issei Sagawa never faced jail for his murder of a Dutch student, but instead became something of a celebrity.
Johnny Gosch
In 1982, 12-year-old Johnny Gosch vanished on his paper route in West Des Moines, Iowa. The subsequent events are still clouded in mystery.
Richard Kuklinski
Richard Kuklinski, known as the Iceman was a hitman and serial killer who worked on behalf of the DeMeo crew of the Gambino crime family.
Mickey Cohen
Mickey Cohen was a violent criminal associated with the Chicago Outfit who became a powerful boss in the Los Angeles underworld.
Henry Lee Lucas
Henry Lee Lucas was an American serial killer and spree killer who confessed to committing upwards of 300 murders.
Demetrius Flenory
The leader of the Black Mafia Family, Demetrius Flenory ruled over a drug trafficking organization and a leading hip-hop music business.
Whitey Bulger
James Bulger Jr. was a Boston mobster known as Whitey Bulger, who led the Winter Hill gang and was a secret government informant.
Harrison Graham
Serial Killer Harrison Graham lured vulnerable women to his home in Philadelphia, plied them with drugs and left their bodies to decompose.