The government issues a list of the 22 most-wanted terrorists.

John Walsh profiles his son's murder case; murdered child's mother talks to gang members; protecting children; series retrospective.

A convicted murderer with ties to the Black Panthers escapes from prison.

A viewer tip helps authorities capture a notorious gang member.

Customs agents search for three drug smugglers on the lam.

Convicted murderers dig a tunnel to escape from prison.

An elusive armed robber skips bail.

Police nab only one of a pair of grocery store thieves.

Police conduct a manhunt for a two-time prison escapee convicted of murder.

An injured drunken driver who killed one of her passengers flees the hospital.