Illinois DUI Field Sobriety Tests: What They Are and How They’re Challenged

When a police officer pulls you over on suspicion of driving under the influence in Illinois, one of the first things that happens is a request to perform field sobriety tests. These roadside exercises—the horizontal gaze nystagmus test, the walk-and-turn test, and the one-leg stand test—are designed to measure impairment. However, field sobriety tests are...