Is evidence of a person's other sexual misconduct admissible in sexual assault cases, child molestation cases, or in civil cases involving claims of sexual misconduct?

United States v. Mornan, 413 F.3d 372, 379 (3d Cir. 2005) (upholding trial court's admission of Burton's September 2001 statement as a prior inconsistent statement because Burton's "purported lack of memory was not....A prior statement is exempt from the federal hearsay rule and is admissible to prove the truth of the matter asserted by the declarant with the prior statement if the prior statement was made under oath in another proceeding and if the prior statement is inconsistent with the declararant's testimony or with the admitted hearsay statement of the declarant.

Doe v. Smith, 470 F.3d 331, 342 (7th Cir. 2006) (remanding for new trial in a molestation suit because the district court erred in excluding evidence of defendant's 2001 conviction for solicitation of a child where defendant's solicitous conduct "constituted an attempt to commit a sexual offense against a...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).

United States v. Kennedy, 32 F.3d 876, pin? (4th Cir. 1994).Background evidence is admissible even if it is technically irrelevant under Federal Rule of Evidence 401 or a comparable State rule.