Army Lt. Col. Miguel Mendez, detainee programs director at Joint Task Force Guantanamo, listens to a detainee who requested particular books from the library at Camp 4, April 23. JTF Guantanamo conducts safe, humane, legal and transparent care and custody of detainees, including those convicted by military commission and those ordered released. The JTF conducts intelligence collection, analysis and dissemination for the protection of detainees and personnel working in JTF Guantanamo facilities and in support of the Global War on Terror. JTF Guantanamo provides support to the Office of Military Commissions, to law enforcement and to war crimes investigations. The JTF conducts planning and, on order, responds to Caribbean mass migration operations.