In a civil proceeding for sexual misconduct, other sexual conduct or sexual disposition of alleged victim is admissible if the probative value of the other conduct or of the victim's sexual disposition substantially outweighs the danger of harm to the alleged victim and the risk of unfair prejudice to a party.

United States v. Seals, 493 F.3d 600, pin? (7th Cir. 2005) (by discussing only whether considerations such as relevance and prejudice render the other bad acts evidence admissible or inadmissible and by ignoring the possibility of a propensity inference, the court implicitly...Federal Rule of Evidence 404(b) does not prohibit a criminal defendant from offering other crimes or wrongs of non-defendants circumstantially.

Fed. R. Evid. 402 ("Evidence which is not relevant is not admissible.").Evidence to rehabilitate a witness after impeachment must be relevant to the impeaching evidence: the rehabilitation evidence must have some tendency to diminish the force of the impeachment evidence.

Fed. R. Evid. 4129c) ("(1) A party intending to offer evidence under subdivision (b) must -- (A) file a written motion at least 14 days before trial specifically describing the evidence and stating the purpose for which it is offered unless the court, for good cause requires a different time for filing or permits filing during trial;...If a party in a case involving a charge or claim of sexual assault intends to offer evidence of the sexual disposition of the victim or the sexual conduct of the victim on other occasions to show the alleged victim's consent to sexual relations with the party charged with sexual assault, the offeror may be required by a rape shield law to give advance notice of the offeror's intent to do so.