An anonymous letter leads authorities investigating the poisoning death of a chiropractor to an unlikely suspect.

A 21-year-old college senior is shot and killed in a public park just months before her graduation.

Special Agent Jess LaCroix and his Fugitive Task Force track down a doctor tied to organized crime

An unjust sentence drives a mother to take justice into her own hands.

Dawson puts her life on the line to save a young boy and Otis fears for the worst.

Firehouse 51 responds to a harrowing building collapse that leaves lives on the line.

A California couple’s romantic getaway on a boat turns tragic when the young wife and mother is lost at sea. Did she accidentally drown or was it something more sinister?

New revelations uncovered in the bizarre saga of Robert Durst.