usually you have an address of somewhere you can do, track that person down and get at them before something happens. it's basically what might have happened here. >> how common is it that people come to the police in advance and say so-and-so have been saying weird things, they struggle with drugs, they're disturbed, they're isolated. how often does that happen. >> not off at at uhl. i never had it happen to me at paul. >> we do the say something, see something with packages, is that an area we neglect with people's b behavior? >> looking at this at first blush, it seems like everybody reacted correctly here. that mall had a plan for a lockdown. the first two minutes of an