Final answer:
The right to a jury trial in criminal prosecutions, except for impeachment cases, is guaranteed by the U.S. Constitution. This trial must occur in the state where the crime was committed or at a location determined by Congress if outside any state.
Step-by-step explanation:
The statement refers to a fundamental principle outlined in Article III, Section 2 of the U.S. Constitution, and further emphasized in the 6th and 7th Amendments. It states that in the trial of all crimes, except in cases of impeachment, the accused shall have the right to a trial by an impartial jury.
This trial must be held in the state where the crime was committed. If the crime was not committed within any state, Congress has the authority to determine the trial's location. Impeachment trials, which are held for high officials accused of misconduct, follow a different process where the House of Representatives handles the accusation and the Senate conducts the trial.
In addition to this right, the 6th Amendment details the right to a speedy and public trial, and the right to be informed of the accusations, confront witnesses, obtain witnesses in one's favor, and have the assistance of counsel for defense.