By ZHAO PENG
Capital News Service
LANSING — Advanced technology can increase the efficiency of law enforcement agencies, helping them protect public safety. But sometimes, technology may also threaten it at the same time. That’s what the American Civil Liberties Union says about the controversial use of automatic license plate scanners. Automatic license plate readers have high-speed cameras that can photograph every passing license plate, and scanner systems store extensive details about each vehicle. The readers can be placed in many locations, including on patrol cars and bridges.