https://youtube.com/watch?v=ZbigiREPzqg%26hl%3Den_US%26fs%3D1%26

In this post , i continue to discuss the Metro Nashville Police Department’s DUI testing report. The first field sobriety test given is usually the horizontal gaze nystagmus test. Laboratory research by the Southern California Research Institute indicates the HGN test is 77 % accurate according to the 2006 NHTSA manual in determining…