NSA: Telling Congress whether we spied on them would violate their rights
Spying is fine. Telling you about spying, now that's a problem.
How the NSA's porn tracking recalls illegal FBI spying in the 1960s
The NSA has a long history of trying to shame its domestic enemies.
A psychological history of the NSA
The NSA's domestic activites reveal how an organization of well-meaning agents began spying on the American people.