On The Case

Hiker's discovery in Colorado chills hearts. Murdered woman linked to love triangle. Ex marks the spot for a shocking betrayal.

A 13-year-old races home, leaving younger sister behind. Trisa disappears. Disturbing phone calls haunt the family as a desperate search for answers begins.

FBI agent's daughter vanishes at Tucson airport. Months later, her remains ignite a cold case, becoming one of the Bureau's longest, most haunting investigations.