A subsequent remedial measure is not admissible to prove negligence, culpable conduct, a defect in the product or its design, or a need for warning or instruction.

United States v. Gabe, 237 F.3d 954, 960 (8th Cir. 2001) (upholding trial court's admission of testimony about two prior incidents of sexual abuse because it was probative as "it tends to prove [accused's] propensity to molest young children in his family when presented with an opportunity to do so...Evidence of a person's other sexual misconduct is frequently admissible in sexual assault cases, child molestation cases, and in civil cases involving claims of sexual misconduct.

United States v. Beaver, 524 F.2d 963, 966 (5th Cir. 1975) (upholding trial court's admission into evidence of testimony about accused's prior counterfeit currency transactions where "it was introduced to show [accused's] knowledge that the bill he passed was counterfeit.").Evidence of a criminal or wrongful act apart from the act that at issue at trial Is not barred by the prohibition against circumstantial use of character if intent, knowledge, mistake, or accident is a legally-material factual issue, the opposing party suggests the non-existence of knowledge or urges mistake or accident as a defense, and evidence of another crime, wrong, or act is offered to prove the knowledge or the absence of mistake or accident by a criminal defendant or other person.

Fed. R. Evid. 413(d) ("For purposes of this rule and Rule 415, "offense of sexual assault" means a crime under Federal law or the law of a State (as defined in section 513 of title 18, United States Code) that involved-- (1) any conduct proscribed by chapter 109A of title 18, United States Code; (2) contact, without consent, between any...Federal Rule of Evidence 413(d) provides that for purposes of Rule 413 and also for purposes of Federal Rule of Evidence 415 an "offense of sexual assault" is a crime under Federal law or the law of a State (as defined in section 513 of title 18, United States Code) that involved-- (1) any conduct proscribed by chapter 109A of title 18, United States Code; (2) contact, without consent, between any part of the defendant's body or an object and the genitals or anus of another person; (3) contact, without consent, between the genitals or anus of the defendant and any part of another person's body; (4) deriving sexual pleasure or gratification from the infliction of death, bodily injury, or physical pain on another person; or (5) an attempt or conspiracy to engage in conduct described in paragraphs (1)-(4).