When the Twin Towers fell, the FBI's top expert on Al Qaeda went with them.

The Man Who Knew FRONTLINE

Premiered April 25, 2017
The Man Who Knew

When the Twin Towers fell on September 11, 2001, among the thousands killed was the one man who may have known more about Osama bin Laden and Al Qaeda than any other person in America: John O'Neill.

About the Program

FRONTLINE

FRONTLINE is investigative journalism that questions, explains and changes our world.

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