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Season 29 Episode 18 | 53m 51s
In the aftermath of the Boston Marathon bombings, FRONTLINE investigates the vast maze of clandestine government efforts created after 9/11 for the purpose of hunting terrorists and preventing future attacks.
Aired: 04/29/13
Video has closed captioning.
Top Secret America – 9/11 to the Boston Bombings
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Top Secret America – 9/11 to the Boston Bombings
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