it was your team that brought in dr. boden.nce is retrievable if a flight goes down in the water. how much? >> well, a great deal of the evidence is retrievable on twa flight 800. we were able to collect not only the black boxes, but almost 97, 98% of the aircraft from twa flight 800 and bring it back to the investigators in order to determine the cause of that crash as well as the victims of that tragedy that we brought back to dr. boden to help him determine the cause of the crash that that was critical to the investigation. >> so our viewers know, the twa 800, people who had family members on board the flight, brought dental records to the coroner in the area at 3:00 in the morning he said call back tomorrow. they said this is now a criminal investigation. and if this is a criminal investigation, they're going to need somebody like you to help analyze the evidence should they find it. what clues could be gleaned. >> there's a lot to be gathered from the structure at the bottom of the water, and also from everybody. all 230 b