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  • Smith’s Criminal Case Compendium is no longer available. Effective June 2025, personnel changes and resource limitations have made it impossible for us to maintain the Compendium to the standard of excellence that the School of Government strives to achieve. We appreciate those who have used and supported the Compendium over the years. We will continue to publish and archive summaries of North Carolina appellate cases concerning criminal law on the North Carolina Criminal Law Blog.

  • Smith’s Criminal Case Compendium is no longer available. Effective June 2025, personnel changes and resource limitations have made it impossible for us to maintain the Compendium to the standard of excellence that the School of Government strives to achieve. We appreciate those who have used and supported the Compendium over the years. We will continue to publish and archive summaries of North Carolina appellate cases concerning criminal law on the North Carolina Criminal Law Blog.

  • Smith’s Criminal Case Compendium is no longer available. Effective June 2025, personnel changes and resource limitations have made it impossible for us to maintain the Compendium to the standard of excellence that the School of Government strives to achieve. We appreciate those who have used and supported the Compendium over the years. We will continue to publish and archive summaries of North Carolina appellate cases concerning criminal law on the North Carolina Criminal Law Blog.
  • Smith’s Criminal Case Compendium is no longer available. Effective June 2025, personnel changes and resource limitations have made it impossible for us to maintain the Compendium to the standard of excellence that the School of Government strives to achieve. We appreciate those who have used and supported the Compendium over the years. We will continue to publish and archive summaries of North Carolina appellate cases concerning criminal law on the North Carolina Criminal Law Blog.
  • Smith’s Criminal Case Compendium is no longer available. Effective June 2025, personnel changes and resource limitations have made it impossible for us to maintain the Compendium to the standard of excellence that the School of Government strives to achieve. We appreciate those who have used and supported the Compendium over the years. We will continue to publish and archive summaries of North Carolina appellate cases concerning criminal law on the North Carolina Criminal Law Blog.
  • Smith’s Criminal Case Compendium is no longer available. Effective June 2025, personnel changes and resource limitations have made it impossible for us to maintain the Compendium to the standard of excellence that the School of Government strives to achieve. We appreciate those who have used and supported the Compendium over the years. We will continue to publish and archive summaries of North Carolina appellate cases concerning criminal law on the North Carolina Criminal Law Blog.

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State v. Norton, 213 N.C. App. 75 (Jun. 21, 2011)

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Evidence > Opinions > Expert Opinions > Impaired Driving, HGN & DRE

The trial judge did not commit plain error by allowing a witness accepted as an expert forensic toxicologist to testify about the effects of cocaine on the body. The defendant had argued that this testimony was outside of the witness’s area of expertise. The court concluded that “[a]s a trained expert in forensic toxicology with degrees in biology and chemistry, the witness in this case was plainly in a better position to have an opinion on the physiological effects of cocaine than the jury.”