A pretrial identification is exempt from the prohibition against hearsay evidence if the witness who made the identification testifies and is subject to cross-examination at the trial or hearing at which the identification is offered and if the witness who made the identification did so after perceiving the person whom he or she identified.

United States v. Sioux, 362 F.3d 1241, 1247 (9th Cir. 2004) (upholding trial court's admission into evidence of accused's similar sexual assault where "plain language of the rule permits admission of subsequent acts evidence to the same extent it permits the introduction of evidence tending to demonstrate...Federal Rule of Evidence 413 and comparable rules in a few States create an express exception to the prohibition against circumstantial use of character, the prohibition against the use of character to show conduct. Rules such as Rule 413 provide that in a criminal trial for sexual assault evidence of the defendant's commission of another offense or offenses of sexual assault is admissible.

United States v. Meadows, 598 F.2d 984, 989 (5th Cir. 1979) (upholding trial court's admission into evidence of defendant's statements on overpayments made to a government official during compromise negotiations because....Although settlement negotiations and offers are inadmissible (i) to show the validity or invalidity of a claim when validity is in dispute, (ii) to show the amount of damages when the amount is in dispute, or (iii) to impeach by showing a prior inconsistent statement or specific contradiction, settlement evidence is admissible to show an attempt to obstruct a criminal investigation or prosecution.

Carty v. Nelson, 426 F.3d 1064, 1073 (9th Cir. 2005) (holding, in petitioner's habeas corpus petition which challenged his civil commitment, that the trial court correctly ruled that petitioner was not deprived....The right of confrontation guaranteed by the Sixth Amendment of the United States Constitution is not applicable to civil actions or trials of civil actions.