Documents obtained under Freedom of Information laws show that more than 50 non-military organisations have asked to fly drone aircraft, many of which can carry cameras and surveillance equipment for spying within the US.
The figures from the Electronic Frontier Foundation, a civil liberties group pledged to defending Americans from digital snooping by government, showed that major agencies like the FBI, Department of Homeland Security and the Department of Justice had been cleared to launch drones.
http://mytechnologyworld9.blogspot.in/2012/04/us-skies-to-be-full-of-drones.html