[Scotsgait]

Originally Posted by ANDY-J3

The one thing I do have a problem with however is the number of CCTV cameras. Apparently there are now over 4 million in the UK and I doubt if they are a cost effective means of preventing crime.

From http://www.scotland.gov.uk/Publicati.../12/03151641/1 , second bullet:

There is minimal evidence to suggest that CCTV effectively deters crime, and in cases where crime does appear to be deterred, this effect is generally short-lived.