The Pennsylvania Supreme Court has affirmed a Superior Court ruling that a horizontal gaze nystagmus test provides sufficient evidence for probable cause and an arrest in DUI cases. The Pennsylvania ...

Appellant Kenny Michael Plouff challenges his conviction for misdemeanor driving while intoxicated (“DWI”). He contends the trial court erred in admitting evidence of the horizontal gaze nystagmus ...

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 ...

Sitting in his patrol car at a local hospital, Kansas City DUI Officer Lawrence Pollard writes up driver’s license revocation notice for a driver who recently lost control on Interstate 70 near ...

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 ...