justice was served for my family. >> the fbi and other investigators were simultaneously investigating the missile and the bomb theory. the bottom line is everything was centraled around the center fuel tank. that's where they knew the catastrophic event took place. they just didn't know what set off that center fuel tank. if it was a bomb, a missile or a fuel failure. >> in the flight twa 800 investigation, i was the chairman of the group determined to how and why it came apart. it is unusual to reconstruct an airplane to this degree. this is the biggest jigsaw puzzle i've ever been involved with. we looked at differences in soot patterns and any other differences we could find to determine which fractures came first, which damage came first, and we used in it big areas and backed up and started making a larger sequence until we were able to determine pretty much