determine how the shooter got there, if they trove a car, where that car is parked. is that car booby trapped, and are there other people involved. when these things happen, and we practice, we do role plays, tabletop exercises, but the wildcard is you never know what the sus smekt is going to do and how they to it, and that's what creates the sense of urgency and chaos. >> one thing we have been seeing a lot of, when it comes to the topic of soft targets. we're talking about baggage claim. anyone could go and pick up their bags, what can be done to protect these areas that seem to be in more prevalent to attacks? >> well, you know, george, we saw the same sort of thing in belgium with the attacks there. the baggage claim areas and ticketing areas are soft targets, placing barriers and doing security checkpoints outside of the airport, there's not a lot you can do except tor