The director of a social service agency in Champaign received court supervision following an arrest for Driving Under the Influence (DUI). Reports indicated that the probable cause for initially stopping the driver was excessive speed.
It may come as a surprise that speeding is not one of the leading traffic violations that are a precursor to a DUI arrest. Driving too slowly, a wide turn, and improper lane usage are some of the more common offenses that suggest imparied driving, according to the DUI Detection Guide.
Once the driver was stopped, the officer noticed alcohol on his breath. At that point, the officer administered the Standardized Field Sobriety Tests (SFST). This test is made up of three components.
The first is the Horizontal Gaze Nystagmus. In this test, the person administering the test waves a pen or other objecting in front of the subject in a certain fashion. While doing so, the officer scores the driver’s performance. The test allegedly can detect alcohol impairment based upon how the eyes react.
Following this is the Walk and Turn. In this test, the subject must follow a very specific set of instructions that only marginally mimic walking. The test subject must begin by putting the right foot forward and then, while staying on a completely imaginary line, take nine steps down, touch “heel to toe” while walking. On the ninth step, the subject must take a few small steps (not pivot) to the left and walk back. Continue reading →