World's Most Evil Killers

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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.

Joe O'Reilly

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, 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 Prisoners

S2, EP8 "Simmons"

Imprisoned for murdering a woman and her teenaged son, Denver Simmons only caused more violence behind bars.

World's Most Evil Prisoners

S3, EP9 "Maugaotega"

Miti Maugaotega Jr. receives one of the longest prison sentences in Hawaiʻi history.

World's Most Evil Prisoners

S2, EP4 "Con-ui"

Jesse Con-ui's loyalty to the New Mexican Mafia drove him to betray and murder his former mentor.

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

S7, EP8 "Paul Runge"

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

World's Most Evil Killers

S9, EP16 "David Marmolejo"

Gloria Marmolejo's attempt to stop her son's illicit relationship ended in her murder by him.

World's Most Evil Killers

S8, EP18 "Charlotte and Linda Mulhall"

In March 2005, the Gardaí recovered human body parts from the Royal Canal in Dublin.

World's Most Evil Killers

S7, EP10 "Zahid Zaman"

On the surface, Zahid Zaman portrayed himself as a pillar of the community, but the true story of this cult killer was deeply sinister.

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

S7, EP11 "Anthony Allen Shore"

A Texas serial killer, Anthony Allen Shore was matched to four murders after his arrest for a different crime.

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

S6, EP6 "Gary Ray Bowles"

The I-95 killer, who brutally killed six men in 1994, is executed three years later.

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.

World's Most Evil Killers

S9, EP18 "Westley Allan Dodd"

Westley Allan Dodd's escalating predation ended after he murdered three young boys.

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