The UK already has millions of CCTV cameras set up like this. You might find this article interesting: http://www.wired.co.uk/article/one-nation-under-cctv htt

The UK already has millions of CCTV cameras set up like this. You might find this article interesting: http://www.wired.co.uk/article/one-nation-under-cctv http://www.wired.co.uk/article/one-nation-under-cctv