CNN Early Start With John Berman and Christine Romans April 2, 2014 09:07:00
If that doesn't work, there are a number of sonar options. they can use sonar scans to sort of map the ocean floor. then there's the blue fin, basically a submarine. until a piece of debris is found, it's very difficult to use those other pieces of equipment. >> once they do find the debris, they have to then find the wreckage. with air france, it was spread out over eight miles. >> yeah. all right. it appears malaysia is no closer this morning to figuring out just what happened. they are conducting a criminal investigation and they've now taken nearly 200 statements. but he admits they may ne...