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

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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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

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

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.

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.

World's Most Evil Killers

S9, EP19 "Joel Rifkin"

A traffic stop revealed a body, exposing Joel Rifkin's deadly spree against vulnerable women.

World's Most Evil Killers

S9, EP15 "Wayne Williams"

Dozens of Atlanta youths were killed, with Wayne Williams accused amid lingering questions.

World's Most Evil Killers

S9, EP14 "Donald "Pee Wee" Gaskins"

"Pee Wee" Gaskins escalated from a petty criminal to a murderer after a teen went missing.

World's Most Evil Killers

S9, EP10 "Christopher McGowan"

Claire Inglis became trapped with violent offender Christopher McGowan, leading to tragedy.

An in-depth look at some of the world's most dangerous murderers.
Starring: Andy Gatenby, Christopher Kouros, Elizabeth Yardley, Emily Pennink, Gareth Lawrence, Geoffrey Osborne, Geoffrey Wansell, Harold Schechter, Helen Morrison, Nicholas Benjamin, Roberto Vivancos, Ross Huguet, Stuart Hamilton, Tom Bonington, Yanick Ghanty
Original Air Date: Aug 10, 2017
Genres: DocuseriesTV Series
Rating: MA 15+
Playback: HD
9 seasons available on demand
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