The right of confrontation guaranteed by the Confrontation Clause of the Sixth Amendment to the U.S. Constitution puts no constraints on the admissibility of nontestimonial hearsay statements; the federal constitutional right of confrontation does not apply to such statements.

Vincent v. Louis Marx & Co., 874 F.2d 36, 42 (1st Cir. 1989) (holding, in plaintiff injured party's product liability action against defendant manufacturer, that the exclusion of the evidence of the settlement amount in....Settlement offers and statements made during settlement negotiations are inadmissible if such offers and statements are offered to (i) show the validity or invalidity of a claim when the validity of the claim is in dispute, (ii) show the amount of damages when the amount of the claim is in dispute, or (iii) to impeach a witness by showing a prior inconsistent statement or specific contradiction.

United States v. Robinson, 482 F.3d 244, 246-247 (3d Cir. 2007) (upholding trial court's ruling which allowed the testimony of a county narcotics task force officer about the admission of several buyers regarding their....The federal constitutional guarantee of due process may limit the government's right to introduce unreliable hearsay evidence against a defendant in a criminal trial.

Tanberg v. Sholtis, 401 F.3d 1151, pin? (10th Cir. 2005) (civil action against city police officer, asserting state and federal claims of false arrest, federal claim of excessive force, and state law claims of assault and battery; plaintiffs asserted that the trial court...To be admissible, prior events or accidents must be substantially similar to those at issue in trial.