CNN Anderson Cooper 360 April 5, 2014 00:22:00
Give more information. because what they appear to be doing is moving this box around and not really explaining why. so they have to explain why to us. that's an interesting question. >> david gallo, i want to bring you in here. as they're moving these assets around and changing the search area, now they have the towed pinger locater out there. how confident are you that the batteries in the black box are even still working, even still pinging? >> that's anyone's guess, john. here's the thing about that. going over an area and not hearing the pinger doesn't mean that the aircraft is not there....