Arizona PBS Previews

Frontline : The Man Who Knew

Preview | 30s

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Revisit the saga of FBI Agent John O'Neill and his warnings about Osama bin Laden before the 9/11 attacks. O'Neill's story provides a rare glimpse inside the FBI and helps answer the question: What did the U.S. government know and when?

Aired: 09/05/17 | Rating: NR

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