Undisclosed U.S. Detention Sites Overseas: Background and Legal Issues
http://www.fas.org/sgp/crs/intel/RL33643.pdf
Provides background information on the controversy surrounding U.S. government use of secret overseas prisons. Discusses the framework of treaties regarding human rights, the conduct of warfare, and treatment of detainees. The focus is on protection accorded to persons under international law. From the Congressional Research Service, posted by the Federation of American Scientists.