In California, a field sobriety test (FST) is often the central piece of evidence against a defendant accused of driving under the influence (DUI). Field sobriety tests are notoriously flawed; all kinds of factors can influence FSTs and their results. If you’ve been charged in California with DUI, challenging the results of your FST may be an effective defense option. An FST routinely combines three separate tests: the horizontal gaze nystagmus (HGN) test, the walk-and-turn, and the one-leg stand.
The HGN ...Continue Reading →