CNN Anderson Cooper 360 March 28, 2014 06:35:00
This is now what they think. again, they keep making the point at this stage this is a very inexact science. so again we're back to, this is the best lead they've got. >> looking for the hay stack as one of our guests put it. we hope they're there. andrew stevens for us live in perth. let's get you to another story we're following for you. turkey says the webb youtube pose as threat to its national security. >> that's the reason the government is giving for blocking the popular video sharing website. >> reporter: the turkish government is expanding its crackdown on the internet nousing on th...
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