Season 2002

    Video thumbnail: FRONTLINE The Man Who Knew

    FRONTLINE

    The Man Who Knew

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

    The Man Who Knew

    Video thumbnail: FRONTLINE Faith and Doubt at Ground Zero

    FRONTLINE

    Faith and Doubt at Ground Zero

    One year after 9/11 how did America grapple with its biggest and most difficult questions?

    Faith and Doubt at Ground Zero

    Video thumbnail: FRONTLINE American Porn

    FRONTLINE

    American Porn

    It’s a multibillion-dollar business – and growing. In a wired world, can anything stop it?

    American Porn