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

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

S5, EP18 "Arthur Shawcross"

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

World's Most Evil Killers

S6, EP2 "Robert Pickton"

One of the most prolific serial killers in Canadian history is dubbed "The Pig Farmer Killer" by the media.

Britain's Most Evil Killers

S6, EP7 "Daniel Gonzalez"

The story of a killer who took four lives during a chilling two-day killing spree in 2004 after being inspired by horror films.

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

S7, EP18 "Robert Hansen"

The Alaska serial killer Robert Hansen who murdered at least seventeen women during a spree that lasted for more than a decade.

World's Most Evil Killers

S5, EP17 "Dayton Rogers"

Dayton Leroy Rogers, known as The Molalla Forest Killer, is a serial killer who mutilates and kills at least eight women.

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 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, EP8 "Pike"

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

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.

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

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

S5, EP18 "Arthur Shawcross"

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

World's Most Evil Killers

S7, EP4 "Colin Campbell"

Thirty-two years later, a convicted killer serving life for manslaughter is found to be guilty of having committed a second murder.

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