two things. first, to address your first point, one of the things we're seeing, unfortunately because of how often we're seeing these types of snenlts, these acts of violence, multiple shootings, mass murders, police officers are getting very good at responding to what we call active shooters. police in this particular case by getting to the scene as quickly as they did, may have averted other deaths. so that is a good part of this to see the great response by local police agencies there. to the other point, how is this person able to get a gun? we're constantly evaluating and debating the rise in the prolific use of handguns in this country. if this person is a convicted felon, how was he able to get it? was it authorized did he legally have it? or did he somehow obtain it through some surreptitious means? part of the investigation here one of the clues tracing the gun, working backwards to find out what the genesis of that was. >> and meanwhile, for people who