U.S. Subway Surveillance Gets Smarter

New digital systems replace old as transit industry updates itself

Recently, Taubenkibel said, a camera installed above a driver's head captured footage of an assailant hurling a brick through the open bus door and hitting the driver in the face.

"We showed images from the tape to the public and were able to apprehend the suspect," Taubenkibel said.

"We rely on the eyes and ears of our riders, but those cameras really help."