through this airspace? so we spoke to those close to investigations and they explained how it could be done and investigators, as they look into all possibilities, this is one aspect that they could be looking into. terrain masking. it obviously has to be up north in your search where you go that low, you would have to have the kind of avionics knowledge to fly through this type of destination. >> and the government has not confirmed one way or another, right? >> the best we can do is make sure this information coming in in bits and pieces make sense because everyone is trying to make sense of what has happened to the plane. >> i think a lot of people -- i mean, you've heard -- we talked about this earlier. there has been a lot of criticism on the malaysian