FRONTLINE

Top Secret America

Clip: Season 2011 Episode 13 | 53m 41s

FRONTLINE reveals 9/11's unprecedented yet largely invisible legacy: the creation of a vast maze of clandestine government and private agencies designed to hunt terrorists and prevent future attacks on the U.S.

Aired: 09/06/11

Rating: NR

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Funding for FRONTLINE is provided through the support of PBS viewers and by the Corporation for Public Broadcasting. Major funding for FRONTLINE is provided by the John D. and Catherine T. MacArthur Foundation. Additional funding is provided by the Abrams Foundation, the Park Foundation, The John and Helen Glessner Family Trust, and the FRONTLINE Journalism Fund with major support from Jon and Jo Ann Hagler on behalf of the Jon L. Hagler Foundation.