Cameras in London aren’t solving crime

It is assumed that cameras will not prevent any crime, but will help solve it. In London, at least, this assumption doesn’t seem to be true anymore. London has spent about £200 (close to 300 million Euros) installing 10.000 CCTV cameras. The overall result of this investment is a decreased proportion of crime solved, not increased. There hardly seems to be a relation between the number of cameras and the proportion of crime solved.

• There are now 10,524 CCTV cameras in 32 London boroughs funded with Home Office grants totalling about £200million.
• Hackney has the most cameras – 1,484 – and has a better-than-average clearup rate of 22.2 per cent.
• Wandsworth has 993 cameras, Tower Hamlets, 824, Greenwich, 747 and Lewisham 730, but police in all four boroughs fail to reach the average 21 per cent crime clear-up rate for London.
• By contrast, boroughs such as Kensington and Chelsea, Sutton and Waltham Forest have fewer than 100 cameras each yet they still have clear-up rates of around 20 per cent.
• Police in Sutton have one of the highest clear-ups with 25 per cent.
• Brent police have the highest clear-up rate, with 25.9 per cent of crimes solved in 2006-07, even though the borough has only 164 cameras. cameras.

Link via boingboing.