The State Secrets Privilege and Other Limits on Litigation Involving Classified Information
http://www.fas.org/sgp/crs/secrecy/R40603.pdf
Discusses the procedures that allow the federal government to resist court-ordered disclosure of information if there is a reasonable danger that the disclosure of the information would harm U.S. national security. Discusses the seminal U.S. v Reynolds case, the state secrets privilege in espionage and criminal litigation, and legislative modification of the state secrets privilege. From the Congressional Research Service, posted by the Federation of American Scientists.
