Amendment 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 to be informed of the nature and cause of the accusation; to be confronted with the witnesses against him; to have compulsory process for obtaining witnesses in his favor, and to have the assistance of counsel for his defense." [U.S. Constitution, Amendment VI.]

Witness Names to Be Withheld From Detainee
NYT
By WILLIAM GLABERSON
Published: December 1, 2007
"Defense lawyers preparing for the war crimes trial of a 21-year-old Guantánamo detainee have been ordered by a military judge not to tell their client — or anyone else — the identity of witnesses against him, newly released documents show."

... "and so it goes." [Kurt Vonnegut]