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.

Davis v. Alaska, 415 U.S. 308, pin? (1974) (Confrontation Clause gives defendant in a criminal trial the right to cross-examine and show bias or prejudice of a prosecution witness; defendant was entitled to inquire into witness' probationary status for juvenile delinquency).There are constitutional limits on the use of a rape shield law to exclude evidence offered by the defense in a criminal trial to impeach an adverse witness.

Fed. R. Evid. 804(b)(4) ("(A) A statement concerning the declarant's own birth, adoption, marriage, divorce, legitimacy, relationship by blood, adoption, or marriage, ancestry, or other similar fact of personal or family history, even though declarant had no means of acquiring personal knowledge of the matter stated; or (B) a statement...If the declarant is unavailable, Federal Rule of Evidence 804(b)(4) or a comparable State rules recognizes a hearsay exception for (A) A statement concerning the declarant's own birth, adoption, marriage, divorce, legitimacy, relationship by blood, adoption, or marriage, ancestry, or other similar fact of personal or family history, even though declarant had no means of acquiring personal knowledge of the matter stated; or (B) a statement concerning the foregoing matters, and death also, of another person, if the declarant was related to the other by blood, adoption, or marriage or was so intimately associated with the other's family as to be likely to have accurate information concerning the matter declared.

Boerner v. Brown & Williamson Tobacco Co., 394 F.3d 594, 600-601 (8th Cir. 2005) (holding, in plaintiff widower's action against defendant cigarette manufacturer for wrongful death, that the trial court properly admitted into evidence four....An exception to the hearsay rule applies to the following records of government offices and agencies: (A) public records that set forth the activities of the government office or agency; (B) public records that set forth observations that a government office or agency was required to make and report but this exception does not apply in criminal cases to observations of police officers and other law enforcement personnel; or (C) in civil actions and proceedings and in criminal cases when offered against the government, factual findings resulting from an investigation made pursuant to authority granted by law, unless the sources of information or other circumstances indicate the untrustworthiness of such findings.