What kind of gun was it?

Witness: FedEx shooter had assault rifle, knife and bullets across his chest ‘like Rambo’ http://t.co/TWeOCwikeB

— TNS LIVE CHANNEL 4 (@TNSL41) April 29, 2014

FedEx Gunman Used Shotgun to Injure 6, Shoot Himself http://t.co/NNDZM6AOMZ #news

— Daily USA (@dailyEEUU) April 29, 2014