SPY Historian Vince Houghton sat down with Aimen Dean, former member of Al Qaeda, agent for MI-6, and author of the new book, Nine Lives: My time as the West's top spy inside al-Qaeda

Buy Nine Lives from the Spy Museum Store (spymuseumstore.org/nine-lives-my-time-as-the-wests-top-spy-inside-al-qaeda/)