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

S6, EP13 "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

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, EP7 "Richard Biegenwald"

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

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, EP2 "Jamie Reynolds"

A 23-year-old killer murders 17-year-old former head girl Georgia Williams in 2013.

World's Most Evil Killers

S5, EP13 "Kenneth Regan & William Horncy"

In 2003, Kenneth Regan and William Horncy murdered a millionaire and his young family.

Killers: Caught on Camera

S2, EP1 "Quad Spree and Brockbanks"

In the U.S., a man desperately calls the police for help after he gets attacked; police work to crack the case using security footage and phone tracking; in the U.K., a dog lover is found murdered in her rural home.

Killers: Caught on Camera

S2, EP10 "Jones and Keller"

In Texas, a husband fails to stop his wife from taking her own life with a gunshot to the back of her head; home surveillance reveals the truth; in Washington state, a man builds a bunker in secret with a diabolical plan for his wife and daughter.

World's Most Evil Killers

S6, EP1 "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, EP16 "Keith Jesperson"

Keith Jesperson, known as the Smiley Face Killer, brutally killed at least eight women across five American states in the early 1990s.

World's Most Evil Killers

S6, EP12 "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

S5, EP7 "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

S6, EP8 "Geoffrey Evans & John Shaw"

Geoffrey Evans and his accomplice John Shaw hit headlines in 1976 after the murders of two women in Ireland.

World'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, 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.

Death Walker With Nick Groff

S2, EP1 "The Sallie House"

Nick visits the Sallie House in Atchison, Kansas; he taunts the entity known as Sallie to capture her on camera.

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