CNN CNN Newsroom October 3, 2013 18:41:00
Exhaust or the burn of the gun powder after the firing. >> john, do you have any clue how many shots you heard? >> i heard at least a dozen, but you know, we heard -- the colleagues i'm working with near what they call the swamp site by the capitol said wow, that sounds like gunfire. there were a few there. then there were multiple, i would say at least a dozen shots were fired, but i lost count while i was running. >> and everybody is basically now inside, when this u.s. capitol police alert went out entitled shelter in place, they basically want everyone inside, inside as much as possible. l...