The Role of Field Sobriety Tests in Will County DUI Cases | Will County DUI Lawyers Field sobriety tests (FSTs) are a key tool used by law enforcement in Will County to determine impairment during DUI stops, but they are often subjective and challengeable in court. At **Will County DUI Lawyers**, led by former prosecutor Jack L. Tags field sobriety tests Will County Joliet DUI FST defense Will County DUI sobriety test HGN WAT OLS Illinois DUI field test challenge Joliet sobriety test refusal Will County Read more about The Role of Field Sobriety Tests in Will County DUI Cases | Will County DUI Lawyers