Use of IT systems to keep a close eye on a person, especially a suspected person or criminal
helps to solve cases and capture criminals
the use of police surveillance raises privacy concerns
UK is known as "surveillance society"
monitoring of work rates, travel and telecommunications is also rising
there are approximately 4.2m CCTV cameras in Britain - about one for every 14 people.
it is predicted that by 2016 shoppers could be scanned as they enter stores, schools could bring in cards
allowing parents to monitor what their children eat, and jobs may be refused to applicants who are seen as a
health risk