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A burning car is found by the side of a highway on the same night a single mother of two is reported missing. The two events lead investigators to a notorious criminal.

An air force veteran disappears along with his savings. Detectives discover a woman has been draining his accounts, then uncover a conspiracy of greed and murder.

In 1994, Lake Orion, Michigan is rocked by a vicious murder. The crime is a mystery, until police expose a strange and twisted plot that no one saw coming.

When three women die of the same mysterious illness, the hunt is on to prove their deaths were no accident. Can detectives unravel this twisted tale of deceit.

In Phoenix, a wave of late night sexual assaults appears to be the work of a serial rapist, who targets women in their own homes while they sleep.

A family's newfound American dream becomes a nightmare after their home is set ablaze. But is this just a freak accident or a cover-up for a more sinister crime.

Clowns. Murder. In 1990, a clown delivering flowers and balloons guns down a woman at home. With scant evidence, the culprit eludes justice for thirty years.

A skeleton is discovered on the edge of a high school football field. It takes a forensic sculptor and tireless detective work to finally bring the killer to justice.

A police officer is shot dead in a suspected set-up. Detectives take drastic measures to get answers from a tight-lipped local community.

In 2005, a pregnant mother goes missing in Philadelphia. Detectives stumble on a love-triangle that may explain the secrets behind her death.

When teenager Harmahn Smith misses his curfew, his parents seek the police's help. His car and body are discovered - what happened to the 18-year-old.

Detectives investigate the death of a teenager with special needs in New York. Body cam video and original audio capture detectives' hunt for what happened.

When a 69-year-old man goes missing in Kalamazoo, Michigan, neighbours seem to be hiding information from police. What happened to him.

On New Year's Eve, a domestic dispute ends in tragedy when two deputies are trapped with a gun-wielding suspect. In Iowa, a high-speed pursuit comes to a gruesome end.

A killer executes a seemingly perfect family. Detectives uncover seething tensions resulting from an obsessive love affair with a webcam model.