Frye hearing

New Illinois Supreme Court ruling limits use of field sobriety test

July 24, 2010
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The Supreme Court of the state of Illinois issued a new ruling in 2010 concerning the use of the horizontal gaze nystagmus test (HGN). During an arrest for DUI, the police officer will ask the driver to stand still and follow a pen with his eyes, and keep his head motionless. The HGN test is […]

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