nothing. it could be him wanting to prepare for future check rides, training events, things like that, it's something interesting, yet i wouldn't put a lot of faith on to something earth shattering at this point yet. >> what do you think, as a tsa investigator do you believe the same thing? >> i believe the key lesson from 9/11, we have to protect the integrity of the cockpit at all costs. it seems in this case, something went awry in the cockpit. we have an aircraft that has gone off its assigned course. we have controls that have been manually turned off, it appears, that tells us in this particular flight. the maintenance of the integrity of the cockpit, it failed, malaysian authorities fails to do that. i think the key to finding out where it is would be to continue