Summary

Byron White California v. Green — Opinion of the Court

It may be true that a jury would be in a better position to evaluate the truth of the prior statement if it could somehow be whisked magically back in time to witness a gruelling cross-examination of the declarant as he first gives his statement. But the question as we see it must be not whether one can somehow imagine the jury in 'a better position,' but whether subsequent cross-examination at the defendant's trial will still afford the trier of fact a satisfactory basis for evaluating the truth of the prior statement.
Source: Wikisource

Byron White California v. Green — Opinion of the Court

The witness who now relates a different story about the events in question must necessarily assume a position as to the truth value of his prior statement, thus giving the jury a chance to observe and evaluate his demeanor as he either disavows or qualifies his earlier statement. The jury is alerted by the inconsistency in the stories, and its attention is sharply focused on determining either that one of the stories reflects the truth or that the witness who has apparently lied once, is simply too lacking in credibility to warrant its believing either story.
Source: Wikisource

Byron White California v. Green — Opinion of the Court

Confrontation: (1) insures that the witness will give his statements under oath-thus impressing him with the seriousness of the matter and guarding against the lie by the possibility of a penalty for perjury; (2) forces the witness to submit to cross-examination, the 'greatest legal engine ever invented for the discovery of truth'; [11] (3) permits the jury that is to decide the defendant's fate to observe the demeanor of the witness in making his statement, thus aiding the jury in assessing his credibility.
Source: Wikisource

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