investigators are lookingrd dea? wow, does anybody else believe it was a possibility? >> possibility. >> there was an air-worthiness that came out on the triple 7 recently, there is no way that asia air could comply with it. it warned of corrosion -- >> why would that shut down the communications system. let me ask you, as an investigator, that seems like such a red flag. >> the way the investigation unfolds is you have many, many different pieces of many different pictures. when you get one piece you just have a piece of the picture you don't really know what it is. you want to find another piece, once you do that you start to develop leads that point in a direction. and i'm hearing what all of these pilots are saying. what i'm concentrating on with this investigation is how many of these pieces can we fit together to start giving a picture? and the picture we're having right now when you take all of the his t -- his taxpa hysteria -- >> before we go to break, raise your hand if you think that there is a possibility that the people on board the aircraft are still aliv