Operation Monopoly: Building the Tunnel

The CIA and the FBI famously weren't talking to each other in the lead-up to 9/11. This is the story of why. 

Supervising producer Kara Jensen-McKenna tells Matt about a decades-long secret FBI operation underneath the streets of Washington which ended in one of the most extraordinary betrayals in American intelligence history.

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Check out our series on YouTube: https://www.youtube.com/playlist?list=PLDTPrMoGHssAfgMMS3L5LpLNFMNp1U_Nq