gun. we have heard and are still trying to confirm that a round may have gone out of accidentally, may have fired a round accidentally. how did he get that? typically, somebody who comes into the country, based on our understanding of his passport and how he came into the country would not be allowed to purchase a weapon. so a couple of questions still remaining, but overall, i think this investigation is very clear as to what happened here. >> and todd, do we know more about the gunman? >> yeah win mean, i think that's going to be the question. did he have any sort of -- and there's no indication at this point, did he have any sort of derogatory information on him, that's kind of law enforcement speak for was this person on any sort of watch list, had they raised any questions about him in the past. we haven't yet seen a social media profile, but our understanding is that he was not somebody who was previously known to law enforcement, either in the uk or in the u.s., but obviously, these things take time to go through. it takes time to comb through their own files as well as comb through social media accounts to