you tube video where one of the pilots is discussing air conditi conditioning and has his flight similator behind you. does that strike you as unusual? -- >> it doesn't seem all that unusual. the good thing is the fact they are computers and there should be quite a bit of data on that. with the amount of planning that went into this event, there should be information of this or if we wiped it out, it might be a sign he is trying to hide something. so it might be a source evidence. >> that is a great point. we know the investigators are starting to look into their computer and figure out who they