mr. westgate hoss autopsy showed -- mr. westgate's autopsy showed severe damage.an expert on organophosphates carried out tests on the pilot possible body -- the pilot's body. >> what we have seen is consistent with the damage that would because by chemicals in the environment or the arrow plant like organophosphates, pesticides, and other chemicals. >> airlines and plane manufacturers have yet to comment on the findings. >> just how serious is this threat? we are joined now in the studio by an aviation expert. days ago, we talked about the threat outside of aircraft, the downing of the malaysian aircraft. now we are looking at threats inside of aircraft. how dangerous is the air in plane cabins? >> it is not well-known. but there are concerns. i think it was underestimated for the last 20 years. 20 years ago, there were the first indications. 15 years ago and australia, there was an intensive senate inquiry, and they founded as is a problem that applies to all aircraft. it applies to all airlines, and the symptoms are severe. >> in this particular case, the study