Summary

Portrait of William R. Day William R. Day Dorr v. United States — Opinion of the Court

In my opinion, guaranties for the protection of life, liberty, and property, as embodied in the Constitution, are for the benefit of all, of whatever race or nativity, in the states composing the Union, or in any territory, however acquired, over the inhabitants of which the government of the United States may exercise the powers conferred upon it by the Constitution.
The Constitution declares that no person, except in the land or naval forces, shall be held to answer for a capital or otherwise infamous crime, except on the presentment or indictment of a grand jury
Source: Wikisource

Portrait of William R. Day William R. Day Dorr v. United States — Opinion of the Court

The practice of the government, originating before the adoption of the Constitution, has been for Congress to establish governments for the territories; and whether the jurisdiction over the district has been acquired by grant from the states, or by treaty with a foreign power, Congress has unquestionably full power to govern it; and the people, except as Congress shall provide for, are not of right entitled to participate in political authority until the territory becomes a state.
Source: Wikisource

Portrait of William R. Day William R. Day Dorr v. United States — Opinion of the Court

Again, if the United States shall acquire by treaty the cession of territory having an established system of jurisprudence, where jury trials are unknown, but a method of fair and orderly trial prevails under an acceptable and long-established code, the preference of the people must be disregarded, their established customs ignored, and they themselves coerced to accept, in advance of incorporation into the United States, a system of trial unknown to them and unsuited to their needs.
Source: Wikisource

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