former fbi agent jeff beaty says, if it's true, that it was programmed to take it off course, it could actually remove one possibility from the list of what could have happened to the jet. >> i see some encouragement here, because if you've programmed -- if you're the pilot and you program something into the computer and the aircraft begins a turn, you don't need to fly another four or five hours to commit pilot suicide. this kind of takes off the table a little bit in my mind one of those scenarios that probably families were most fearful of. so, some good news there. one can make an inference of some possible good news. >> all right, everyone on board that jet is now being closely scrutinized, including the pilots. both were experienced. so far, nothing has emerged to definitively point the finger at them, other, of course, than the fact that whoever flew this plane off course had to have known how to operate a boeing 777. our saima mohsin is live in kuala lumpur with more on this investigation, more on this official search into the backgrounds of these pilots. saima, what do we know