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Lance Knowlton Profile and Articles
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1). The Controversy Over Roadside Field Sobriety Tests
Copyright 2006 Lance Knowlton
Roadside field sobriety tests (FSTs), developed at the behest of the National Highway Traffic Safety Administration (NHTSA), are commonly employed by police officers during DUI stops to determine whether a driver is under the influence of alcohol.
FSTs generally consist of a battery of three to five exercises, such as walking and turning in a different direction, standing on one leg, nystagmus (using the eyes to track an object), touching the finger to the nose and reciting the alphabet.
2). How a Breathalyzer Works
Copyright 2006 Lance Knowlton
Technically, Breathalyzer is a proprietary name for piece of testing equipment that determines blood alcohol concentration (BAC). There are two other types of devices that measure BAC, Intoxilyzer and Alcosensor, and they work differently than the Breathalyzer. This article will explain how each one works.
All three devices require a person to exhale into them.
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