Smith v. Arizona (Expert Witnesses)

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Smith v. Arizona
The Sixth Amendment’s Confrontation Clause guarantees a criminal defendant the right to confront the witnesses against him. In operation, the Clause protects a defendant’s right of cross-examination by limiting the prosecution’s ability to introduce statements made by people not in the courtroom. The Clause thus bars the admission at trial of an absent witness’s statements unless the witness is unavailable and the defendant had a prior chance to subject her to cross-examination. Crawford v. Washington, 541 U. S. 36, 53–54. This prohibition “applies only to testimonial hearsay,” Davis v. Washington, 547 U. S. 813, 823, and in that two-word phrase are two limits. First, in speaking about “witnesses”—or “those who bear testimony”—the Clause confines itself to “testimonial statements,” a category this Court has variously described. Id., at 823, 826. Second, the Clause bars only the introduction of hearsay—meaning, out-of-court statements offered “to prove the truth of the matter asserted.” Anderson v. United States, 417 U. S. 211, 219.
Held: When an expert conveys an absent analyst’s statements in support of the expert’s opinion, and the statements provide that support only if true, then the statements come into evidence for their truth. Pp. 11– 22. (a)
Read by Jeff Barnum.