been an i'm on my way out, what we would see with a suicide operation, essentially. i'm going to play my last hands and then i'm going out on this very violent act against innocent people. >> i want to just apropos of this conversation bring in a gentleman who would be able to answer our questions. david shepherd, former executive director of security for the venetian resorted hotel and casino, also a former fbi s.w.a.t. team leader and ceo and chief preparedness officer at the readiness resource group. so, david, you've been there. would a guy age 64, otherwise unremarkable, checking in at the mandalay bay or its subsidiary floors, four seasons, who had the kind of standard rolling bag and, oh, by the way, a couple of very obviously gun cases and not violin cases, would that be any cause for alarm? >> well, we have several gun shows here in las vegas, at the