8 Oct 1996 The defendant appealed alleging error in the admission of (1) the results of the Horizontal Gaze Nystagmus (HGN) sobriety field test and (2) the

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13 Aug 2015 Horizontal Gaze Nystagmus Test - HGN - NHTSA horizontal gaze eye movement test - Duration: 5:48. TeamDUI 8,602 views. 5:48. DUI - Blood

10 Feb 2014 The “horizontal gaze nystagmus” or “HGN” test is just one of the field sobriety tests a Colorado police officer may expect a driver to submit to

7 Feb 2015 Horizontal gaze nystagmus field sobriety tests in TN can be fought. Get a horizontal gaze nystagmus lawyer. Knoxville HGN defense attorney