Detailed text transcripts for TV channel - MSNBC - 20180215:18:28:00
Shooting in that state's history. the gun store is federally licensed least according to sources. joining me now is our guest, a former psychologist with the secret service, currently the director of threat assessment at georgetown university. and bobby chicon, who is a retired special agent. maurice a, i want to start with you now. you have a lot of insight about the minds of mass shooters and others. are you surprise add weapon like this would have been purchased legally? >> so let's talk about what we know about scoot shootings generally. what we've seen is it was never that difficult for a...