CNN CNN Newsroom April 7, 2014 18:07:00
>> two sequences of clicks. if you have search crews and they can find the signal again, is it just about following where the signal gets stronger? is this a straight line process. >> i don't think it's that simple. it's like a game of marco polo. you're going to have to listen for the sond, make another pass and try to get closer until you get on top of it and then you can do some visual surveillance, map the floor and try to locate these things for real. >> and i think it probably strikes a lot of people that no one is really jumping to the conclusion that hey, this is the black box from the...
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