HGN in Illinois

Case Name: People v. McKown (.pdf) (link to case summary)

Court: Supreme Court of the State of Illinois

Date Decision Filed: 2/19/2010

This important DUI case can be boiled down to two points: (a) the horizontal gaze nystagmus (HGN) field sobriety test satisfies the Frye test; and (b) HGN evidence will only come into evidence at trial if NHTSA requirements are complied with.

For commentary on the case by Illinois DUI guru Don Ramsell, please visit this post at Illinois Lawyer Now.

Jeremy Richey


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Jeremy J. Richey, Attorney at Law
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