1,000 cameras 'solve one crime'

http://news.bbc.co.uk/1/hi/england/london/8219022.stm

The question is how many crimes are commited with the use of cctv?

http://www.gardenlaw.co.uk/phpBB2/viewtopic.php?t=8429&sid=ec4c1342dc6f3c88b95b1143c22a4af6

What about privacy?