The video camera has become an invaluable tool in the war against crime. Sixty American cities now operate surveillance cameras in public places, part of a two billion dollar video security industry.

Most police departments equip their patrol cars with video 'dash-cams' and many use hidden cameras in undercover stings. Private citizens increasingly use video technology to protect themselves and their property. This episode will focus on cases in which videotape helped bring lawbreakers to justice.