Detailed text transcripts for TV channel - FOXNEWS - 20130118:16:49:00
Robert wagner is not the one to answer from police. jenna: we'll watch this mystery and. harris, thank you. >> reporter: sure. jon: a subway attack caught on tape. where this terrifying scene unfolded. what police are saying about the suspect in the video. also a brain scan, it's an old tool but now doctors have found a new way to use it and it could be very helpful to our troops, suffering from ptsd. and those who suffer from conditions like depression. i will have that story for you coming up.