criminal investigation when they say they have no connection between the pilots and this event. david? >> the fact that there was a turn at hand, a human hand. however it was actually commanded. the fact is that this airplane had intent. it wasn't an automated thing. it wasn't a free flight that just decided to make that turn. >> do they know that? >> yes. >> they know it couldn't have been a turn on trim, so to speak, because of something that happened on the plane? >> it's not just the turn, it's the recovery from the turn. if it turned and continued to spiral, yeah, possibly no one's at the controls. it spiralled and continued to fly for so many hours. now, remember, it doesn't have to be proven that it's criminal in order to restrict information. i refer to use restrict because that's the technical term for