A whole channel dedicated to the lives and crimes of some of the World's Most Evil Killers like Jeffrey Dahmer, Richard Ramirez, Dorothea Puente and more.

World's Most Evil Killers

S8, EP13 "Jordan Monaghan"

Jordan Monaghan kills his 24-day-old daughter Ruby on New Year's Day in January 2013.

World's Most Evil Killers

S8, EP20 "Eric Locke"

Dublin man Eric Locke refuses to accept it when Sonia Blount, a mother of one, ends their relationship.

World's Most Evil Killers

S5, EP9 "Richard Roszowski"

A profile of Richard Roszkowski, the Connecticut triple-murderer who killed his ex-girlfriend, her nine-year-old daughter and another man in a brutal attack in 2006.

World's Most Evil Killers

S7, EP14 "Paul Michael Stephani"

The story of a killer who was infamous for his whimpering confessions over the phone after each of his murders.

World's Most Evil Killers

S5, EP10 "Cesar Barone"

The American serial killer Cesar Barone took the life of four women in and around Hillsboro, Oregon in the 1990s.

World's Most Evil Killers

"William Bonin"

An in-depth look at some of the world's most dangerous murderers.

World's Most Evil Killers

S8, EP8 "Richard Paul White"

Police in Aurora, Colorado find the body of a young man in his own home with a bullet wound to the head.

World's Most Evil Killers

S6, EP1 "John Allen & Lee Malvo"

The story of the Beltway sniper attacks; John Allen and his teenage accomplice carry out a brutal series of shootings that kill ten people.

World's Most Evil Prisoners

S1, EP5 "Osuna"

Covered in tattoos, his terrifying appearance makes Jaime Osuna a feared man in the U.S. prison system; awaiting trial, he begins practicing Satanism and attempts to kill a fellow inmate.

World's Most Evil Prisoners

S1, EP8 "Pike"

At 18, Christa Pike commits a brutal murder and becomes one of the youngest ever women sent to death row.

World's Most Evil Prisoners

S1, EP2 "O'Rourke"

James "Porky" O'Rourke's addiction to violence means he is one of the most feared men in the UK prison system.

World's Most Evil Prisoners

S1 "Nichols"

While on trial for rape, 33-year-old Brian Nichols goes on a violent rampage that results in three murders.

World's Most Evil Killers

S8, EP7 "Richard Biegenwald"

Over a 25-year career of murder, Richard Biegenwald kills at least six people.

World's Most Evil Killers

"William Bonin"

An in-depth look at some of the world's most dangerous murderers.

Britain's Most Evil Killers

S5, EP10 "Billy Dunlop"

A profile of the killer who, after killing 22-year-old Julie Hogg, became the first person to be convicted under revised UK double-jeopardy laws.

World's Most Evil Killers

S5, EP10 "Cesar Barone"

The American serial killer Cesar Barone took the life of four women in and around Hillsboro, Oregon in the 1990s.

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