Transcripts for CNN CNN Newsroom 20140407 00:07:00 : vimarsa

something i ve been saying for a long time. that this aircraft was probably abducted by someone and they had a purpose in mind. they were on their way somewhere. maybe they never reached their destination but this is more and more like a deliberate act under human control. and incidentally, i have rather extensive experience with auvs, apparatus underwater vehicles. and i can tell you, we used one in 2012 on our air hertz search. in that case we were searching a steep coral reef. when you have steep terrain, the auv is not an appropriate technology. they have tremendous difficulties with those, with that kind of terrain. we had repeated malfunctions, aborted missions, it was a nightmare. so it will depend a lot on what kind of terrain. we do get pings and we get an