FRONTLINE

Top Secret America – 9/11 to the Boston Bombings

Preview: Season 29 Episode 18 | 31s

Have the hundreds of billions of dollars spent since 9/11 on counterterrorism efforts made us safer? On April 30, Pulitzer Prize-winning reporter Dana Priest traces the journey from 9/11 to the Boston Marathon bombings, examines efforts to improve information sharing among federal agencies tasked with keeping us safe and investigates the secret history of the 12-year battle against terrorism.

Aired: 04/29/13

Rating: NR

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