The shadow factory : the ultra-secret NSA from 9/11 to the eavesdropping on America / James Bamford. [electronic resource]

Bamford exposes the existence of the top-secret National security Agency in the bestselling "The Puzzle Palace," and in his follow-up bestseller "Body of Secrets." Now the author discloses inside, often shocking information about the NSA in the aftermath of the 9/11 attacks.