Missing: Dead or Alive?

A twisted criminal's gruesome videos drive a group of amateur online sleuths to launch a risky manhunt that pulls them into a dark underworld.

A shocking murder in rural Ireland sets off an increasingly convoluted quest for justice that spans decades and cuts across national borders.

Anthony Templet shot his father and never denied it. But why he did it is a complex question with profound implications. Explore Anthony's psyche prior to the events of June 3, 2019 and the journey of his mental and emotional aftermath.

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.

Serial killer Jeffrey Dahmer confesses to his gruesome crimes in unguarded interviews, offering an unsettling view into a disturbed mind.