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

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, EP9 "Billy Mansfield Jr."

Billy Mansfield Jr. moved between Florida and Michigan, targeting vulnerable women and girls.

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

S5, EP5 "Lonnie David Franklin"

Lonnie David Franklin Jr. is better known by the nickname Grim Sleeper.

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.

Killers: Caught on Camera

S1, EP6 "Logan and Hannah"

Police investigate the disappearance of a 5-year-old boy; a young girl's body is discovered in a field.

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.

Killers: Caught on Camera

S2, EP7 "Sarinana and Marzejka"

In Florida, a 13-year-old girl is found stabbed over a hundred times; a teenager with a knife obsession comes under suspicion; in Colorado, a woman picked up in a creepy white van after a night out is missing.

Killers: Caught on Camera

S1, EP6 "Logan and Hannah"

Police investigate the disappearance of a 5-year-old boy; a young girl's body is discovered in a field.

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

S6, EP7 "Daniel Gonzalez"

The story of a killer who took four lives during a chilling two-day killing spree in 2004 after being inspired by horror films.

World's Most Evil Killers

S7, EP15 "Joshua Wade"

Responsible for five murders, Joshua Wade avoided justice for years and later confessed to killings that started from when he was just fourteen.

World's Most Evil Killers

S7, EP13 "Jorge Avila Torrez"

The notorious story of a man convicted of the murder of two young girls, as well as another killing at a military base.

World's Most Evil Killers

S8, EP11 "Harry Jarvis"

When Carol Jarvis disappears, her husband tells friends and family that she's simply gone on a little holiday.

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

S8, EP1 "Lester Jones"

When mother-of-three Paige Birgfeld disappeared in 2007, the case went cold until a hiker's discovery of her remains in 2012 revived the investigation and eventually led police to close the net on a local mechanic.

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