understatement. >> it is an understatement. they will desperately try to identify what they call the four corners of the plane. the two wings, the nose and the tail and then try and start to lay the shattered pieces out on a grid. but, boy, i don't think they're going to get very far with that because they'll have some pieces. but i don't think there's much you're going to be able to pick up from the devastation. >> because normally -- you've been involved in a lot of these crash scenes. they try to reassemble a plane to try to learn what happened. in this particular case you don't think they'll be able to do that? >> i don't think so. we know what happened. the guy locked the door and flew the plane into the mountain. you may want to recover the door but i don't think there's a lot of investigative knowledge that can be gained by spending the resources and the time to reconstruct this. what you want to do is spend your resources on recovering the