Cold Case: Who Killed JonBenét Ramsey

The murder of a teen girl impacts a public prosecutor linked to the victim, a lawyer seeking a career-making case and a suspect who says she's innocent.

Via interviews with friends, players and insiders, this docuseries examines how Aaron Hernandez went from an NFL star to a convicted killer.

When a suspect is found in a journalist's murder, the case is considered closed until a secret diary suggests 13 more victims — and possible cannibalism.

After the death of an unknown uncle, a woman inherits a burial ground and finds herself in the center of a string of murders and dark secrets.

After two parents report that their 12-year-old daughter Asunta is missing, the investigation soon turns against them.

The story of James Garfield, who rose from obscurity to become America's 20th President — and Charles Guiteau, the man who assassinated him.