Human rights — Right to liberty — Detention without trial — Enemy combatant — United States citizen detained on United States territory under Presidential order classifying him as enemy combatant — Whether lawful — Jurisdiction of United States courts

War and armed conflict — Terrorism — Attacks on United States on 11 September 2001 — Whether giving rise to war — Powers of wartime detention — Whether United States citizen liable to detention in United States as enemy combatant — The law of the United States