that the victims' bodies show no signs of an explosive impact, but does that rule out baunl? >> no, it doesn't rule out a bomb. first off, they haven't looked at every single body yet. i'm sure they will. if there was a small device in the cargo compartment, especially in the rear cargo compartment that wasn't enough to blast the airplane apart but enough to fracture the fuselage which is what happened with twa, it doesn't have to be a big boom. just enough of a boom to start the failure of the structure. and then the airplane will self-destruct. >> and how would it self-destruct. one part destructs and then sort of a ripple effect? >> remember the airplane in flight is under tremendous amount of loads. and the way the airplanes are designed, those loads are meant to be transferred to very strong portions of the air frame. and the case of the 747 a beam