In Little Rock, a device that photographs license plates and relays them to a database that helps cops identify stolen cars and drivers with outstanding arrest warrants. It also allows authorities to monitor where average citizens might be at any particular time. That bothers some residents, as well as groups that oppose public intrusions into individual privacy.
http://news.msn.com/us/ark-police-photograph-license-plates-store-data
http://news.msn.com/us/ark-police-photograph-license-plates-store-data