CNN Erin Burnett OutFront May 28, 2014 23:07:00
Than that. they picked some of these up for hours and hours and hours. what else would they have been? >> well, you know, now the navy is explaining it might have been some frequencies from the ship, from the towed pinger locator itself. i'm still skeptical about trackers on marine life. but they're saying from the very equipment itself could have caused these pings. and many of us were asking all along is someone checking what happens to a pinger underwater for 30 days. we have now had three months. they could have checked it twice. does a 37.7 kilohertz pinger degrade under water pressure to...