Emerging Te News Today

The shooting played out. for that lets turn to pamela brown. >> good morning, kate. new details are emerging.te . >> reporter: officials now say that aaron alexis responded for the first time on surveillance video, parked in his car at the garage at 8:01. two minutes later, hes seen exiting the fourth floor elevator of building 197 and entering a bathroom with a bag. minutes later he emerges with a sawed off remington 870 shotgun. 8:12, the first shots are fired on the fourth floor. he goes down...