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

"Lonnie David Franklin"

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

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, EP1 "Vinter"

Gary Vinter, in prison for double murder, stabs a fellow inmate in the eye and gives another brain damage.

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 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

S8, EP5 "Randy Kraft"

Randy Kraft, a well-spoken, well-respected computer expert...and a prolific serial killer.

Britain's Most Evil Killers

S6, EP9 "Mark Martin: The Sneinton Strangler"

The story of Mark Martin, who murdered three homeless women in his quest to become Nottingham's first serial killer.

World's Most Evil Killers

S6, EP3 "Sean Vincent Gillis"

A serial killer brutally snatches away the lives of eight innocent women during a decade-long killing spree in Louisiana.

World's Most Evil Killers

S7, EP1 "Jorge Avila-Torrez"

A look at the story of Jorge Avila-Torrez, a prolific predator who carried out the horrific murders of young girls and other innocents.

World's Most Evil Killers

S8, EP1 "Lester Jones"

In 2007, single mother of three Paige Birgfeld goes missing.

World's Most Evil Killers

S8, EP16 "Joe O'Reilly"

Less than 20 minutes after dropping her children off at school, Rachel O'Reilly is murdered.

World's Most Evil Killers

S8, EP6 "Richard Kuklinski"

Richard Kuklinski claims to have murdered over 100 people for New York and New Jersey's crime families.

World's Most Evil Killers

S7, EP8 "Paul Runge"

A killer who found some of his victims through ads, the case of Paul Runge become prominent in the debate over the death penalty in Illinois.

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

S8, EP15 "Nicholas Burton"

In April 1997, 27-year-old Rachel McGrath is stabbed to death by an unknown attacker in a car park.

World's Most Evil Killers

S8, EP3 "Steven Dean Gordon"

Steven Dean Gordon and Frank Cano murder at least four sex workers in California between 2012 and 2013.

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