""The Anatomy of Terror: From the Death of Bin Laden to the Rise of the Islamic State": I was happy that we finally got him. And a lot of my colleagues and friends that I know who sacrificed so much, some of them their lives, you know, finally can rest, knowing that he's dead.But also, at the same time, I kind of was troubled that we are now not fighting an organization anymore. The terrorists, the threat mutated to a message. Bin Laden accomplished something way bigger. He had a message that was spreading around the Muslim world."

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