CNN Erin Burnett OutFront November 4, 2015 00:09:00
Airport work, those are defeatable. or simply a timer is more sure and if you know the airplane is taking off and you hit the safety switch on that, you could also set it off. >> mary, i understand why authorities are hesitant to say this isis video is real. isis has given no proof they had anything to do with this. at the same time, you can see why authorities would be hesitant for a lot of reasons. if isis were responsible, that would be a game-changer. it would change perception of flight and safety. if not isis, if this is a bomb scenario, who else? >> well, could be any number of people. ...
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