Dana Priest | The Washington Post | August 9, 2013
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On the third floor of the E. Barrett Prettyman courthouse in downtown Washington, judges assigned to the Foreign Intelligence Surveillance Court place their palms on a biometric hand scanner mounted next to the entrance door. Then the judges and their staff enter a code into door’s electronic cipher lock.
Inside a secure vault — one impenetrable to any sort of technical eavesdropping — the judges review some of the Justice Department’s most sensitive requests for access to private communications information, including the phone records of tens of millions of Americans, a collection that has generated significant criticism since it was disclosed in June.
The court is staffed year-round, and on an emergency basis, to authorize surveillance by the U.S. intelligence community. Although much attention has been focused on the court’s approval of the NSA’s so-called metadata phone records program, interviews with intelligence officers and experts, public statements and recently declassified documents indicate that the authorization marks the beginning of a long — and, U.S. officials say, carefully regulated — process.