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In 1990, a teenager is convicted of murdering his parents. Forced into a confession, Martin Tankleff spent 20 years trying to prove his innocence.

In September 2003 in Illinois, 62-year-old Mexican immigrant Felipe Ulloa tells his wife Eloisa he is going to a local bar to collect a 75 debt. He never returns.

When an expectant young mother gets caught up in a love triangle, heartbreak leads to murder. Detectives dig deep into the past to determine the truth.

When 19-year-old college student Christa Sallani goes missing, police fear the worst. Investigators are in the dark until a key witness breaks the case widen open.

The stories of these perpetrators may be different, but their motives are always the same: to stay out of prison and live life on the run.

The stories of these perpetrators may be different, but their motives are always the same: to stay out of prison and live life on the run.

A car is set on fire near a beach and detectives quickly find the body of a young woman. But, the killer's attempt to hide evidence leads police straight to them.

When the bodies of young women appear on the outskirts of Laredo, Texas, Cpt. Calderon leads a dramatic manhunt. It ends in a face-off with a killer.

When three synagogues simultaneously go up in flames, agents work relentlessly to solve the arsons. What they discover is a sinister plot of bigotry, fire and fury.

Codi Joyce died at a house party after a fight in 2015 and nobody was ever charged for his murder. What really happened that night and why will no witnesses talk?

A young mother is found brutally murdered in her home in New York. Snowy footprints lead into the home but with no exit trail, how did the killer escape?

When police discover Betty Sue Short murdered in her home, they notice disturbing similarities with another recent killing in the community of Kingsport, Tennessee.

When former homecoming queen, Melinda Snyder, is killed, her home-town is embroiled in a mystery that wouldn't be settled for a long time.

Lance Herndon was living the American dream, until he was brutally murdered. Behind the gates of his upscale community, investigators find a twisted web.

True crime investigation using body-camera footage from police departments all over America. What dramatic twists and turns will lead to catching the killer?

Alicia was a typical 13-year old who made friends in chat rooms. But when she agreed to meet Scott Tyree in person, she had no idea he was grooming her.

Alicia was a typical 13-year old who made friends in chat rooms. But when she agreed to meet Scott Tyree in person, she had no idea he was grooming her.

Alicia was a typical 13-year old who made friends in chat rooms. But when she agreed to meet Scott Tyree in person, she had no idea he was grooming her.

In 1983, the Secret Service trails a counterfeiter. The audio recordings they find of him torturing women reveal one of history's most depraved serial killers.

An up-close and personal look at the front line of policing, using real footage from police body cameras. Life on patrol can be anything but routine.

When investigators respond to a bloody quadruple homicide, they soon discover the murders involved torture, revenge, and even Satan.

True crime investigation using body-camera footage from police departments all over America. What dramatic twists and turns will lead to catching the killer?

When former homecoming queen, Melinda Snyder, is killed, her home-town is embroiled in a mystery that wouldn't be settled for a long time.

A car is set on fire near a beach and detectives quickly find the body of a young woman. But, the killer's attempt to hide evidence leads police straight to them.

When the bodies of young women appear on the outskirts of Laredo, Texas, Cpt. Calderon leads a dramatic manhunt. It ends in a face-off with a killer.

When three synagogues simultaneously go up in flames, agents work relentlessly to solve the arsons. What they discover is a sinister plot of bigotry, fire and fury.