A short PBS video (7 mins):
A report from the Center for Investigative Reporting and KQED delves into a wide-scale surveillance system being developed for police forces. How can the trade off between safety and privacy be negotiated as technology gets more and more sophisticated?
Link with a transcript:http://www.pbs.org/newshour/bb/new-p...vacy-concerns/

The system originated from a counter-IED tactic in Iraq, so the clarity of the images has been reduced, so for example a number plate cannot be read. The system is more of a pointer after the event to look at other CCTV. That might explain why no-one has purchased it.