the right of a defendant to have a court use its subpoena power to compel the appearance of material witnesses before the court
VI.
In all criminal prosecutions, the accused shall enjoy the right to a speedy and public trial, by an impartial jury of the State and district wherein the crime shall have been committed, which district shall have been previously ascertained by law, and
question after cross-examination by opposing counsel
VII.
In suits at common law, where the value in controversy shall exceed twenty dollars, the right of trial by jury shall be preserved, and no fact tried by a jury shall be otherwise re-examined in any courtof the United States, than according to t
(law) the administration of justice according to established rules and principles; based on the principle that a person cannot be deprived of life or liberty or property without appropriate legal procedures and safeguards
V.
No person shall be held to answer for a capital, or otherwise infamous crime, unless on a presentment or indictment of a Grand Jury, except in cases arising in the land or naval forces, or in the Militia, when in actual service in time of War or public