[A]s the technology has matured, it's gotten in the hands of organizations that, five years ago, would never have been able to consider it. Small-town police departments can suddenly afford to conduct surveillance at a massive scale.
As part of the training for the ALPR systems, Chandler officers are taught to "grid" neighborhoods during their downtime – systematically driving up and down every street in an area, indiscriminately scooping up information on vehicles -- not because of any suspected criminal activity, but because the information might be useful in future criminal investigations.
Brian Hofer has worked for the last half decade on defending citizens' rights to privacy and creating tighter oversight surrounding the use of mass surveillance techniques and technology.
The camera mounts on a vehicle providing a 180-degree angle view, combining the camera, with speed and distance tracking, as well as proof the emergency lights were flashing making evidence gathering, a warning or a citation possible.