People v. Vangelder

Opinion

CANTIL-SAKAUYE, C. J.

In this prosecution for driving while having a proscribed alcohol concentration in blood or breath, the trial court excluded expert witness testimony challenging the reliability of breath-alcohol testing machines. Reviewing the ensuing conviction, the Court of Appeal determined that the trial court erred, and reversed for a new trial. We conclude that the trial court properly excluded the challenged expert testimony with respect to the charge of driving while having a proscribed alcohol concentration. Accordingly, we reverse the judgment of the appellate court and…