Opinion · Supreme Court of the United States

Ex Parte Quirin

317 U.S. 1

Type
Opinion
Court
Supreme Court of the United States
Jurisdiction
Federal
Date
1942-10-29
Topic
litigation

holding that an unlawful enemy belligerent may be tried by secret military tribunal within the territorial jurisdiction of United States District Court | holding that both lawful and unlawful combatants, regardless of citi- zenship, "are subject to capture and detention as prisoners of war by opposing military forces" | noting that the Netherlands’ military tribunals were authorized to try conspiracy to violate the laws of war | stating that courts have a duty, “in time of war as well as in time of peace, to preserve unimpaired the constitutional safeguards of civil liberty” | noting that "[s]uch was the practice of our own military authorities before the adoption of the Constitution, and during the Mexican and Civil Wars." | observing that law-of-war military commissions may be used to try “those enemies who in their attempt to thwart or impede our military effort have violated the law of war” (emphasis added) | acknowledging that “the duty which rests on the courts, in time of war as well as in time of peace, [is] to preserve unimpaired the constitutional safeguards of civil liberty” | acknowledging that "the duty which rests on the courts, in time of war as well as in time of peace, [is] to preserve unimpaired the constitutional safeguards of civil liberty" | stating that there is no constitutional right to a trial by jury in courts-martial | stating that there is no constitutional right to a trial by jury in courts-martial | suggesting, in dictum, that citizens could be tried for an offense against the law of war that included all the elements of treason | explaining that by permitting trial of offenses against the “law of war,” Congress had incorporated by reference the “common law applied by military tribunals” and principles “recognized in practice both here and abroad” | holding there is no constitutional right to a trial by jury in courts-martial | observing the "duty which rests on the courts, in time of war as well as in time of peace, to preserve unimpaired the constitutional safeguards of civil liberty" | observing the “duty which rests on the courts, in time of war as well as in time of peace, to preserve unimpaired the constitutional safeguards of civil liberty” | upholding military jurisdiction based upon the express congressional authorization of the use of military tribunals to try enemy belligerents who violated the law of war | explaining that the “law of war” incorporates the “common law of war” and looking to “universal agreement and practice” and “practice here and abroad” in determining scope of the laws of war, including army manuals from Germany and Britain | allowing for the military detention and execution of an American citizen detained on U.S. soil | declining to “inquire whether Congress may restrict the power of the Commander in Chief to deal with enemy belligerents” by restricting use of military commissions | declining to address “whether Congress may restrict the power of the Commander in Chief to deal with enemy belligerents” through regulations on military commis- sions | examining “universal agreement and practice” and sources from Great Britain and Germany, among other countries | noting “the duty which rests on the courts, in time of war as well as in time of peace, to preserve unimpaired the constitutional safeguards of civil liberty” | noting “the duty which rests on the courts, in time of war as well as in time of peace, to preserve unimpaired the constitutional safeguards of civil liberty” | declining also to “consider the question whether the President is compelled by the Articles of War to afford unlawful enemy belliger- ents a trial before subjecting them to disciplinary measures” | suggesting that some acts, even if considered violations of the laws of war in some countries or by some authorities, “would not be triable by military tribunal here . . . because they are not recognized by our courts as violations of the law of war” | relying on the “long course of practical administr

Citator

Cited by
226 opinions