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 • 2:25 PM UTC • 57m

Britain's Most Evil Killers

S6, EP6 "Pawel Relowicz"

Pawel Relowicz rapes and kills 21-year-old Hull student Libby Squire in a case that made headlines around the UK.

World's Most Evil Killers • 3:22 PM UTC • 58m

World's Most Evil Killers

S5, EP16 "Keith Jesperson"

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

World's Most Evil Killers • 4:20 PM UTC • 57m

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.

World's Most Evil Killers • 5:17 PM UTC • 58m

World's Most Evil Prisoners

S1, EP6 "Johnson"

Edward Johnson was sent to prison for the brutal murder of a female friend, but the violence didn't end there.

World's Most Evil Killers • 6:15 PM UTC • 58m

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 • 7:13 PM UTC • 58m

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 Killers • 8:11 PM UTC • 59m

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 Killers • 9:10 PM UTC • 57m

Britain's Most Evil Killers

S6, EP10 "Malcolm Green"

Malcolm Green is jailed for life for the brutal murder of a Cardiff prostitute; he kills again when he is released after 18 years.

World's Most Evil Killers • Aired Jan 20, 2025 • 56m

World's Most Evil Killers

S7, EP16 "Heriberto Seda"

A killer who goaded police and media during his spree, Heriberto Seda claimed to kill based on his victims' star signs.

World's Most Evil Killers • Aired Jan 20, 2025 • 58m

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 • Aired Jan 20, 2025 • 53m

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 • Aired Jan 20, 2025 • 57m

World's Most Evil Killers

S5, EP6 "Sunset Strip Killers"

Douglas Clark and Carol Bundy were a deadly duo who terrorized the streets of Los Angeles in the summer of 1980, targeting vulnerable women, teenagers and even a child.

World's Most Evil Killers • Aired Jan 20, 2025 • 55m

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 • Aired Jan 20, 2025 • 56m

Britain's Most Evil Killers

S6, EP2 "Trimaan Harry Dhillon"

A killer attacks his ex-girlfriend in a jealous frenzy and commits a brutal murder after a campaign of harassment.

World's Most Evil Killers • Aired Jan 20, 2025 • 56m

World's Most Evil Killers

S8, EP18 "Charlotte and Linda Mulhall"

In March 2005, the gardaí recover human body parts from the Royal Canal in Dublin.

World's Most Evil Killers • Aired Jan 20, 2025 • 57m

Britain's Most Evil Killers

S6, EP3 "Jamie Reynolds"

A 23-year-old killer murders 17-year-old former head girl Georgia Williams in 2013.

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