The photographs will be obtained not only from police mug shots, but from driver's licenses and other noncriminal sources, said Jennifer Lynch, senior staff attorney for the Electronic Frontier Foundation, a San Francisco group that aims to protect people's rights in the digital age.

"We are definitely calling for constraints on the system," she said.

She is more concerned about the FBI's facial recognition project than fingerprint scans because people don't always know they're being photographed, and "often there are false matches or false positives," she said.

Sunday, April 13, 2014
Chicago Tribune