New technology makes it easier to identify suspects in surveillance photos and video . The Boston bombing suspects were identified on security-camera footage . Comment: Civil-liberties activists are concerned about how this technology could be abused . Facial-recognition software can detect age , gender and even moods .
New technology makes it easier to identify suspects in surveillance photos and video . The Boston bombing suspects were identified on security-camera footage . Comment: Facial-recognition software can detect age , gender and even moods .