UNITED STATES of America, Plaintiff-Appellee, v. Keith Wayne FREDERICK, Defendant-Appellant

REINHARDT, Circuit Judge:

OVERVIEW

Defendant, Keith Frederick, was charged with three counts of Aggravated Sexual Assault against his stepdaughter, S.F., all arising out of a single incident alleged to have occurred in June of 1992. He was convicted on two counts and sentenced to 188 months in jail. He raises a number of issues on appeal, including prosecutorial vouching, improper comments by the prosecutor about defendant’s counsel, and prejudicial testimony by government witnesses suggesting that he had committed similar offenses against others. We reverse because of the cumulative effect of…