Announced in New York city:
a system which aggregates and analyzes information from cameras, license-plate readers, sensors and law enforcement databases...

The Domain Awareness System, unveiled by the city on Wednesday, will be able to map suspects' movements and provide NYPD investigators and analysts with real-time crime alerts. While the new system does not add to the city's surveillance infrastructure, it aims to make the existing data easier to use.
Link:http://www.crainsnewyork.com/article...LOGY/120809887

I hope expectations are not too high, the experience of the UK has not been impressive - except in CT and focussed priority investigations. Plus the opposition rapidly adjust their M.O.