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What are the Standardized Field Sobriety Tests?

April 26, 2017field Sobriety standardized tests

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What are the Standardized Field Sobriety Tests?

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Horizontal Gaze Nystagmus: (HGN) refers to an involuntary jerking occurring as the eyes gaze toward the side. In addition to being involuntary the person experiencing the nystagmus is unaware that the jerking is happening. When administering the HGN test, the officer has the suspect follow the motion of a small stimulus with the eyes only.