as for the area itself we also just learned the search is happening where the second ping was detected, the one detected saturday april 5th, at 9:27 a.m. now the reason the navy tells the searchers the ping is the most promising is because of its quality. the word they used. those details like many others in the search come almost like clockwork. we get them almost every day from australian authorities. and the answers are much harder to come by. the answers about the co-pilot's cell phone. pamela brown worked on that, what did you learn? >> well, anderson this is just another tiny piece of the puzzle. and experts and sources are trying to figure out what this information about the co-pilot's cell phone really means. what we do know is if any of the passengers' phones were on, they should have felt that ping. many forget to turn off their phones, likely it was not just