Field Sobriety Tests »
When a driver is stopped over for by a police officer on the suspicion of drunk driving, the law enforcement officer is expected to ask him/her to pass one or more field sobriety tests, in order to check whether a driver is under the influence of alcohol by evaluating the examination of mental and physical activities.
According to the National Highway Traffic Safety Administration (NHTSA), there are three tests which have been examined and labeled Standardized Field Sobriety Tests. These include the Walk and Turn, One Leg Stand and Horizontal Gaze Nystagmus.
1. Walk and Turn
The driver will be asked by the law enforcement officer to walk in a straight line, heel to toe, and then turn and walk the other way. This test is used to evaluate a driver’s balance and power to abide by directions.
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DUI Defense Strategies: Field Sobriety Testing Errors »
Most of the times there are several errors in field sobriety test. A person should be lucky enough to pass a field sobriety test because it is a rare case that roadside sobriety test is done correctly.
Inaccuracies of Field Sobriety Tests
Many times, tests will be administered by the police at the site of the traffic stop in order to determine a suspect’s sobriety. The results and interpretation of these are subjective to say the least.
Moreover, you never know that how you would perform under different circumstances even though you are not drunk, these “results” will mean little in a court of law.

A certificate should be given to an experienced DUI trial lawyer as an instructor in Field Sobriety Testing, and he should have the ability to effectively point out the high level of subjectivity associated with these tests through cross examination.
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Investigation of DUI Cases: What are the SFST’s? »
In this article we have described about the tests which the cops ask a person to perform during a DUI or drunk driving offense stop. The information that is provided in this article is pertinent to DUI offenses across the nation as SFST stands for Standard Field Sobriety Tests which means they are considered to be standard across the United States.
What are the SFST’s? How do CA courts deal with FST’s that are not performed in accordance with NHTSA? These are the frequently asked questions about SFST’S. I have tried to give the answer to these questions.
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Taimoor Rana is seasoned criminal defense attorney specializing in DUI related cases. He shares his expert legal opinion here
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