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Supreme Court of Illinois


People v. McKown, 102372

In a driving under the influence case, admission of testimony regarding Horizontal Gaze Nystagmus test results is reversed where the trial court and the appellate court erred in taking judicial notice of the general acceptance of the reliability of the HGN test as an indicator of alcohol impairment. The matter is remanded to the trial court with instructions to conduct a Frye hearing.

Appellate Information

  • Decided 09/20/2007
  • Published 09/20/2007

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  • Supreme Court of Illinois

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