our partners has been effective. >> can you give us a ballpark on the number of rounds he may have fired? >> no there's just so many questions, i can't give you exact times right now. obviously there's still a lot of ongoing investigation before we get to the summary -- we're not going to comment on evidence, not going to comment on any details of evidence and we're not going to comment on actions. we have police officers actively engaged. all of that will come later. we'll come back in two hours. and then we'll do another then four hours later. >> how he got on to the navy yard? there must be -- >> did he have an i.d.? >> yes. >> can you tell fours the briefing. >> how long did it take to put down the shooter in. >> we're not going to comment on that right now. >> thank you all very much.