fuentes, that the former tsa director, he is speculating about terrorism? >> what happens is if you are an engineer you look for an engineering problem. if you are in law enforcement like john and myself you think a human is behind this a criminal act, an abtct of suicide. your background and experience from prior crashes does point you in a certain direction. in this case we have the airline basically saying that they believe the co-pilot did it on purpose. >> should there be psychological profiles routinely, peter, for the pilots every six months or so just to make sure there's not a problem? >> i think that's going to be the major take away from this tragedy, that the whole medical and psychological process of evaluateing pilots has to be looked at. it has to be strengthened. we have to think of really creative ways to accurately assess psychological conditions