Commonwealth v. Yale

In Commonwealth v. Yale, the Pennsylvania Supreme Court clarified the appropriate standard for the admission of evidence of a third person’s crimes, wrongs, or other acts (“third-person guilt”) offered by a criminal defendant to raise a reasonable doubt that he was not the perpetrator of the crime. The Court held that that evidence of a third person’s guilt offered by a defendant is admissible if it is relevant under Pa.R.E. 401 and not otherwise excludable under Pa.R.E. 403.

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