CNN Early Start With John Berman and Christine Romans April 8, 2014 09:04:00
Temperature also. so, they're saying that this is entirely possible that this particular frequency is still from the black box. and right now, they're saying here that this is their most promising lead at the moment. john? >> lead. and again, they desperately want to hear something again. they need to if they're going to narrow down that search area. erin mclaughlin in perth this morning. thank you so much. >> as for malaysia airlines, it's not talking about what it thinks happened on board that jet, but the airline has implemented new security measures that has some in the flight crews upset ...