Overview

UK is the most surveilled place in the world. It is home to more than 6 million CCTV cameras -- about 1 for every 14 people -- that operate 24/7 and generate more than 1 billion hours of video every week. Crime reporter Nick Wallis tells us how UK police uses this vast surveillance network for active crime prevention as well as tracking down outlaws.

Top Cast

Nick Wallis

Himself