
Watch award-winning true crime series 24/7. Featuring, Dateline, Unsolved Mysteries, Lock Up and more.

Detectives and forensic experts recount the most extraordinary cold cases that were solved using the revolutionary technique of familial DNA testing.

In 1968, the remains of an unidentified woman are discovered; detectives work for nearly half a century to identify the Jane Doe and the murderer who evaded law enforcement for 50 years.

Lester Holt spends two nights locked up and embedded inside the largest maximum security prison in America, the notorious Louisiana State Penitentiary, also known as Angola.

A mother of two who vanishes during a storm turns out to be a victim of something sinister.

A husband comes under suspicion after the disappearance of his wife.