have to go through because of these terrible random acts of terrorism. it's a very vexing problem and the other issue is 100,000 flights a day around the world, about 10 million people get on airplanes every day. that is an enormous logistics exercise to increase further the intrusiveness of security checking. we have to go through at the moment. >> and what about cctv, as well, some suggestion that perhaps he had gone into the bathroom before opening fire on the terrified people in this terminal. perhaps more cctv or perhaps more collaboration between social media agencies and authorities, airport authorities, would just help provide a bigger picture of when attacks could be in the offing. >> yes, that's a possibility. although, you know, in the few seconds to pull a gun out of a bag, what cctv could do with the