and this complex, multi-site synchronized terror incident took place in that environment is very worisome. that mover did this created a model of communication and interaction that isn't showing up and that they have evolved. that is a very worrisome fact that i think we're seeing. >> steven, can you put into perspective how difficult it is to coordinate an attack like this. i want to take issue with some words used. it's coordinated certainly. but when people talk about it being a sophisticated attack, really how sophisticated is it in the true meaning of the word. people who have a gun, some described as a kalashnikov rifle. they go outside of a car or walk into a building and start shooting. is the sophistication in the suicide vests that allegedly seven of the eight attackers were wearing and by which they died when they were blown up? >> i think the sophistication comes in a number of fronts. certainly the notion of a suicide attack or a bomber in paris which hasn't been seen before is an element of that. but i think that more broadly, it's really when you look at the fact that these