Investigate true crimes from every angle with fan-favorite series like UNSOLVED MYSTERIES and FORENSIC FILES as well as FilmRise Originals like BLOODLINE DETECTIVES, MURDERED AT FIRST SIGHT and MEET, MARRY, MURDER.

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

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

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

"Phillip Austin"

A profile of the father who took his two young children for a fish and chip supper after murdering his wife and strangling them when they returned home.

World's Most Evil Killers

S5, EP19 "Richard Roszowski"

A profile of Richard Roszkowski, the Connecticut triple-murderer who killed his ex-girlfriend, her nine-year-old daughter and another man in a brutal attack in 2006.

World's Most Evil Killers

S5, EP12 "Victor Ferrant"

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

World's Most Evil Killers

S7, EP19 "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.

Death Walker With Nick Groff

S1, EP2 "Stone Tape Theory"

Nick investigates the 6th Precinct in Detroit and the House of Wills in Cleveland; both locations have a dark history of death and tragedy.

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.

Killers: Caught on Camera

S1, EP5 "Piqui and the Chapples"

In the United States, a five-year-old boy is found dead after going on a trip to Disneyland with his father; in the United Kingdom, a parking dispute escalates into a double murder.

Killers: Caught on Camera

S1, EP3 "Gretchen and Kerry"

A murder in a garage is recorded on camera in the US; a woman is found stabbed 54 times in the UK.

Killers: Caught on Camera

S2, EP5 "Newborough and Diallo"

In the U.K., a young woman fails to come home after a mysterious date; her worried family desperately searches for her, only to discover a devious attempt at a cover-up; in the U.S., a young mother is found dead in a house fire.

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.

World's Most Evil Killers

S6, EP7 "Derrick Todd Lee"

The Baton Rouge Serial Killer, known for murdering seven women is sentenced to death for his chilling crimes.

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

S8, EP7 "Richard Biegenwald"

Over a 25-year career of murder, Richard Biegenwald kills at least six people.

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