Journalist and writer Phil Harding investigates and evaluates Britain's rapidly increasing CCTV systems tackling crime and asks whether they are really being effective.
It is often said that Britain is the most surveyed country in the Western world. Closed-circuit television has become part of our everyday lives ñ walking down any high street in the country, on the bus and in most of our shops we are frequently being watched by CCTV cameras.
But how likely are they to prevent crime and how useful are they as a detection method? Also, who is watching us and are their systems and methods working? What is the evidence that backs up our obsession with CCTV?