them carrying out their mission. it soindz sounds to me they were not up to speed to fly the airplane but thought they could. >> if there were struggle to the point of disconnecting the transponder and starting to do this strange altitude. they flew four or five more hours. that struggle doesn't last that long. post that event and now flying under the radar. they are flying low enough. that's what is so bizarre at that point struggle in my mind would have been over by then. >> doesn't explain ther erratic behavior of the plane. >> for so long too. >> either someone is trying to make up their mind. someone is trying to get for flying the airplane or indecision as to exactly what they want to do with the plane at that point in time and still trying to figure it out. >> gentlemen, thank you. straight ahead. >> thank you, greta. >> our breaking news coverage continues. "on the record" tracking developments 24/7 in the flight 370 mystery.