A statement is imputed to a principal or to an employer and is treated as the principal's or employer's vicarious admission (which, like other admissions is exempt from the hearsay rule) if the principal or employer is a party, the statement is offered against the principal or party, the statement is a statement by the party's agent or employee about a matter within the scope of the agent's agency or the employee's employment, and the statement is made during the principal-agent or employer-employee relationship.

Huddleston v. United States, 485 U.S. 681, pin? (1988) (defendant was charged with selling stolen goods; defendant denied he knew the goods were stolen; to rebut defendant's claim of lack of knowledge, government....Evidence of another crime, wrong, or act is admissible if there is sufficient evidence to support a finding by a reasonable juror that the other crime, wrong, or act occurred. Clear and convincing evidence is unnecessary; "sufficient" means only that there must be enough evidence to make the other crime, wrong, or act relevant.

United States v. Butterworth, 511 F.3d 71, 74-75 (1st Cir. 2007) (upholding trial court's admission of grand jury testimony of defendant's girlfriend to cross-examine her after she gave testimony that was inconsistent with....A prior inconsistent statement is exempt from the federal hearsay rule pursuant to Federal Rule of Evidence 801(d)(1)(A) or by a comparable State rule only if the prior statement is in fact inconsistent with the declarant's testimony at the trial or with some other statement of the declarant that is admitted into evidence pursuant to some hearsay exemption or exception.

United States v. Williams, 989 F.2d 1061, 1068 (9th Cir. 1993) (upholding trial court's admission of witnesses' testimony [recounting statements made by defendant Williams and deceased adopted son, Mark Reitler concerning....A statement falls within the federal hearsay exception for statements against interest only if the statement at the time of its making so far contrary to the declarant's pecuniary or proprietary interest, or so far tended to subject the declarant to civil or criminal liability, or to render invalid a claim by the declarant against another, that a reasonable person in the declarant's position would not have made the statement unless believing it to be true.