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 Prisoners

S2, EP1 "Bjork"

Craig Bjork, who killed two women and both of his children, remains a dangerous threat -even behind bars.

World's Most Evil Prisoners

S2, EP10 "Williams"

Feared Aryan Warriors gang leader 'Mugsy' Williams was a one-man crimewave - even behind bars.

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

S3, EP2 "Escobar"

After murdering his aunt and uncle, Ramon Escobar rampages across L.A. and strangles his cellmate in prison.

Britain's Most Evil Killers

S6, EP5 "Lee Ford"

Lee Ford kills his wife and four stepchildren in a cold-blooded murder spree over 24 hours in September 2000.

World's Most Evil Killers

S5, EP1 "Lonnie David Franklin"

Lonnie David Franklin Jr. is better known by the nickname Grim Sleeper; he lures vulnerable women into his car before murdering and sexually assaulting them for more than two decades.

World's Most Evil Killers

S7, EP2 "John Cannan"

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

World's Most Evil Killers

S5, EP3 "Jerry Brudos"

Jerome Brudos is a serial killer and necrophile who murdered four women in Oregon during the 1960s; he is known as the The Lust Killer and The Shoe Fetish Slayer.

World's Most Evil Killers

"Patrick Kearney"

A profile into the murderer who terrorized the gay community as the "Trash Bag Killer" and confessed to killing 32 victims.

World's Most Evil Killers

S8, EP17 "Colin Whelan"

When Mary Gough is found dead in her family home, her husband Colin Whelan appears shocked.

Britain's Most Evil Killers

S5, EP8 "Colin Pitchfork"

Colin Pitchfork is the first person to be convicted of murder based on DNA fingerprinting evidence.

Britain's Most Evil Killers

S6, EP1 "Stuart Campbell"

Stuart Campbell is convicted for the murder of his 15-year-old niece in 2002, even though her body has never been found.

World's Most Evil Killers

S8, EP3 "John Eric Armstrong"

In 1999 and 2000, John Eric Armstrong cruised the streets of Detroit, Mich., looking for sex workers; seen as an ordinary husband, father and co-worker, no one in Armstrong's life suspected that he was a serial killer.

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

S6, EP9 "Chester Turner"

A cold-blooded serial killer takes the lives of eleven people during a terrifying decade-long murder campaign.

World's Most Evil Killers

S7, EP7 "Mark Goudeau"

A man who terrorized Phoenix in an extensive year-long crime spree, committing nine murders with no apparent motive.

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