Awkard v. United States

relying on Colo.R.Evid. 608, which is identical to Utah R.Evid. 608 | death penalty affirmed for stabbing death and robbery even though defendant had extensive history of mental illness | death penalty affirmed for stabbing death and robbery even though defendant had extensive history of mental illness. | death penalty affirmed for stabbing death and robbery even though defendant had extensive history of mental illness | "Expert testimony is admissible if the jury may receive 'appreciable help' from it." | “Expert testimony is admissible if the jury may receive ‘appreciable help’ from it.” | improper expert opinion on credibility harmless error under Ninth Circuit variant of test | "A defendant cannot, by stipulating as to the identity of a victim and the cause of death, relieve the State of its burden of proof beyond a reasonable doubt.”