the taliban by waving your documents and saying we have authorization to get through to the next checkpoint which was manned by u.s. servicemen. and even for afghans, it -- there was not always a clear patdown. there was not a clear search for weapons. so clearly, a lot of things needed to change in order to improve the situation. but as i said before, u.s. forces and afghans who are trying to get to the airport, still very vulnerable. and from what we heard in our conversations with an isis-k commander from before this attack and, indeed, before kabul fell to the taliban. more broadly speaking, the country is still very vulnerable to attacks from this vicious terror group, anderson. >> also, obviously, there as much as possible have been changes in response to the attack, i assume. we don't know much exactly about that and -- and there's a reason for that. they obviously don't want a lot