CNN CNN Newsroom September 16, 2013 17:20:00
Break, then it was pop, pop, pop and we started running out. >> is this the navy yard cafeteria. >> patricia ward, an eyewitness to what was going on at the u.s. navy yard over at building 197 in the naval sea systems command. mike bouchard is a former official with the bureau of alcohol, tobacco and firearms. i assume they'll closely at the weapons involved. mining, walk us through what your colleagues would be doing right now on the scene. >> good afternoon, wolf. basically what the police will be doing is any spent shell casings, throughout the scene, they'll be preserving those for evidenc...