Field Sobriety Tests
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Standardized Field Sobriety Test
Horizontal Gaze Nystagmus
Caselaw
People v. Joehnk (1995) 35 Cal.App.4th 1488, held horizontal gaze nystagmus passes Kelly–Frye.
People v. Randolph; F075085; 10/23/18; C/A 5th, held that a law enforcement officer can testify as to HGN based on training and experience.