DHS : organizational structure and resources for providing health care to immigration detainees : [letter to Robert C. Byrd, Subcommittee on Homeland Security, Committee on Appropriations, United States Senate, and David Price, Subcommittee on Homeland Security, Committee on Appropriations, House of Representatives / - Cackley, Alicia Puente. (U.S. Govt. Accountability Office,, 2009)