In this segment of the traffic stop, the officer initiates the field sobriety test by asking the driver if he can see the tip of the pen without his glasses. The officer explains the suspect should follow the pen with only his eyes, not moving his head. The horizontal gaze test is a cornerstone of DUI enforcement, helping officers determine impairment from alcohol or drugs. The controlled, clinical instructions are a sharp contrast to the high-stress setting of flashing patrol lights and roadside uncertainty. Anthony Folkes, of Fairfield, was indicted on two felony counts stemming from a January arrest when he placed a Hamilton police officer in a chokehold. Folkes was pulled over for a busted passenger headlight and no license plate light, then resisted arrest as he was being placed under arrest following a failed field sobriety test. #bodycam #fieldtest #sobrietycheck #policeencounter #trafficstop #lawenforcementvideo