pretty easy. but the scenario that we have today doesn't fit any of the easy theories. something happened up there. it could have been a computer failure or inappropriate actions on the part of the pilots that stalled the airplane or a device on the airplane. it's not likely an engine that failed catastrophically and broke apart. it was something a little bit different than what we would normally see. >> there is a report that the victims' bodies show no signs of an explosive impact. does that rule out a bomb? >> no, it doesn't rule out a bomb. they have not looked at every body yet. i'm sure they will. if there was a small device in the cargo compartment that wasn't enough to blast the airplane apart but to fracture