i don't think this evidence points to that a great deal. i don't know that the pilots made a mistake that made this thing crash. i think that's another one of those ideas. >> mary, i was trying to give jim tillman your question here. so i'll give it to you now. this says, decompression caused by aircraft fatigue or a deliberate act? nina says, could this have began as faulty decompression and escalated to pilot suicide when all died but him, mary? >> well, it's possible. there have been other accidents where we've had cabin decompression and from fatigue in the aircraft or maintenance mistakes. one is where the maintenance crew forgot to turn back on the automatic pressurization. another was from a crack in the fuselage. so it's possible. you know, at that point you would assume if everyone else had perished except for the pilot, presumably there was lack of control surfaces, too. otherwise we would have taken