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July 1, 1995
U.S. v. Boyd, No. 92-3020 (D.C. Cir.) (55 F.3d 667) (May 30, 1995) (Judge Harry T. Edwards) by The Court held that Rule 704(b) creates a line that expert witnesses may not cross: they may not opine as to the criminal state of mind of a defendant and the prosecution …