CNN The Situation Room March 13, 2015 21:05:00
Information that is coming forward in our investigation, where you kind of need to stop regroup and figure out where you are. we are not at that point yet, however. i still think we have the ability, in fact we are having the ability to still track down certain leads and again, even if they are not positive leads, at least we know we are not going to go in that direction any further. >> reporter: is it suspect or suspects? >> good question. we don't know yet. i can't say with any sort of conviction on whether i have a nine millimeter or .22 or .40 caliber or .45 or whatever at this point. thes...