A fire leads investigators to reexamine an unusual death.

A young woman's naked body is discovered in a remote area leading forensic investigators on a search for clues to her identity and the identity of her killer.

When a Yale student mysteriously vanishes days before her wedding, investigators comb a secure research lab for clues.

A suitcase leads to the gruesome discovery of a nearly perfect crime.

A popular handyman in a New Hampshire town is found murdered and investigators follow forensic clues to a shocking conclusion.

A young mother is murdered in a crowded parking lot in broad daylight.