Motor Vehicles Court Upholds Horizontal Gaze Nystagmus Test in DUI Cases The Pennsylvania Supreme Court has affirmed a Superior Court ruling that a horizontal gaze nystagmus test provides sufficient ...

FORT HUACHUCA, Ariz. – Four Soldiers from the 18th Military Police Detachment are now certified in Horizontal Gaze Nystagmus (HGN) after attending a three-day course conducted by the Sierra Vista ...

The purpose of the HGpeN is to provide a standardized instrument to Law Enforcement for the HGN test battery. NHTSA has stated “Officers do not have standardized instruments with which to make precise ...

The Pinellas County Sheriff’s Office is taking another look at one of its DUI roadside test policies. Deputies keep video cameras rolling during DUI stops with the exception of one key test. During ...