Article III Section 2

Judicial Powers

The judicial power shall extend to all cases, in law and equity, arising under this Constitution, the laws of the United States, and treaties^def made, or which shall be made, under their authority;–to all cases affecting ambassadors,^def other public ministers^def and consuls;^def –to all cases of admiralty^def and maritime^def jurisdiction;^def –to controversies to which the United States shall be a party;–to controversies between two or more states;–between a state and citizens of another state;– between citizens of different states;–between citizens of the same state claiming lands under grants of different states, and between a state, or the citizens thereof, and foreign states, citizens or subjects.

In all cases affecting ambassadors, other public ministers and consuls, and those in which a state shall be party, the Supreme Court shall have original jurisdiction. In all the other cases before mentioned, the Supreme Court shall have appellate^def jurisdiction, both as to law and fact, with such exceptions, and under such regulations^def as the Congress shall make.

The trial of all crimes, except in cases of impeachment,^def shall be by jury;^def and such trial shall be held in the state where the said crimes^def shall have been committed; but when not committed within any state, the trial shall be at such place or places as the Congress may by law have directed.