warning signs when you look back at it. >> but these are glaring, don't you agree? >> this has to be debriefed. we have to take a strong look at it and figure out could more have been done. >> but let me ask you that. if the guy is using his known name and you know his name on social media, can't police look into this? >> you have his name but you don't have his ip address. >> you are investigators. can't you find it. >> we have to look at it to see whether enough was done in terms of the number of steps they could actually identify this individual and then take action. again, jim is always saying, there is a balance between privacy and security. and i agree with that. but at the same time we have to be able to take steps to avoid this sort of thing. >> this tipped over the balance between privacy and security. he was saying i want to shoot people with my ar-15. i want to mow down people. by the way, jim, the fbi had been alerted to this guy.