In pro bono habeas corpus litigation, obtained United States Supreme Court ruling striking down military commissions established to try detainees held at Guantanamo Bay, Cuba. 344 F. Supp. 2d 152 (D.D.C. 2004), rev'd, 415 F. 3d 33 (D.C. Cir. 2005), rev'd, 548 U.S. 557 (2006). After Congress passed Military Commissions Act of 2006, defended prisoner tried July 21 to August 7, 2008 before military commission in Guantanamo Bay Naval Station, Cuba, resulting in acquittal on charge of conspiracy and conviction on lesser charge of material support. Obtained vacation of conviction by D.C. Circuit, which held that the material support charge was Ex Post Facto. 696 F.3d 1238 (D.C. Cir. 2012).