CNN Anderson Cooper 360 March 29, 2014 06:15:00
Primacy. it must be returned to western australia. and then the process of how that will be announced will be sorted through. >> a lot to watch for no doubt even tonight and throughout the weekend. we've got a lot more developments to get to in this hour. follow me on twitter @andersoncooper. #ac360. i want to dig deeper on whether the old and new search areas could both contain some sort of wreckage of an aircraft. also those sonar pingers that will lead the investigators to the flight's data recorder will actually sound like. we have a demonstration how they work, what they sound like when...