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, EP7 "Richard Biegenwald"

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

World's Most Evil Killers

S8, EP11 "Harry Jarvis"

When Carol Jarvis disappears, her husband tells friends and family that she's simply gone on a little holiday.

World's Most Evil Killers

S7, EP2 "John Cannan"

Experts looks back on the crimes of John Cannan as he moved in and out of prison.

World's Most Evil Killers

S6, EP5 "Don Miller"

A terrifying killer snatches away the lives of four victims before being caught while trying to claim his fifth.

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

S8, EP9 "Billy Mansfield Jr."

Billy Mansfield Jr. moved between Florida and Michigan, targeting vulnerable women and girls.

World's Most Evil Killers

S7, EP5 "Ben Field"

Manipulative, psychopathic and callous, church warden Ben Field killed Peter Farquhar and even penned a list of 100 future victims.

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 Prisoners

S1, EP3 "Dennehy"

One of the UK's most infamous serial killers, Joanna Dennehy brutally stabbed three men to death.

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, EP9 "Bingham"

The story of Tyler Davis Bingham, pretty criminal turned leader of the brutal and feared Aryan Brotherhood.

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 Killers

S7, EP7 "David Bieber"

A fugitive from the United States murders one British police officer and tries to kill two more, sparking a nationwide search.

World's Most Evil Killers

S7, EP5 "Joshua Wade"

Responsible for five murders, Joshua Wade avoided justice for years and later confessed to killings that started from when he was just 14.

World's Most Evil Killers

S7, EP9 "Ronald Dominique"

For nearly a decade, the Bayou Strangler deceived, bound, assaulted and murdered men, as he drifted across South Louisiana.

Britain's Most Evil Killers

S5, EP1 "Stephen Farrow"

A profile of the double-murderer who killed a 77-year-old teacher and a 59-year-old reverend.

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