United States v. Billy G. Byers

SCALIA, Circuit Judge:

We consider on this appeal whether, when a defendant asserts, and supports through expert testimony, the defense of insanity, the guarantee of the Fifth Amendment against compelled self-incrimination is violated by a government psychiatrist’s testimony to unrecorded statements made by the defendant during a court-ordered examination; whether the guarantee of the Sixth Amendment to assistance of counsel is violated by the exclusion of counsel from such an examination; and whether the courts’ supervisory power over the trial process permits the exclusion of psychiatric…