John Walsh returns as host with his son Callahan.

Analyzing some of the nation's most gripping cases; a team of experts representing law enforcement units weighs in on the cases.

A team of experts representing law enforcement units weighs in on the cases.

Breaking down tough cases in the pursuit of justice with the help of an accomplished team of law enforcement experts.

Breaking down tough cases in the pursuit of justice with the help of an accomplished team of law enforcement experts.

Analyzing some of the nation's most gripping cases.