Taimoor Rana is seasoned criminal defense attorney specializing in DUI related cases. He shares his expert legal opinion here Important Drunk Driving Terms »
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- There are some terms which are used often in drunk and impaired driving cases:
- DWI – Driving While Impaired
- DUI – Driving Under influence
- OMVI – Operating a Motor Vehicle while Impaired
- OUI – Operating Under the Influence
- OUID – Operating Under the Influence of Drugs
- OUIL – Operating Under the Influence of Liquor
- OWI – Operating While Impaired
- UBAL – Unlawful Blood Alcohol Level
There are some tests also which are carried out through the testing devices mentioned below:
- BAC Datamaster
This is a breath analysis device which produces an estimate of blood alcohol based upon infrared spectroscopy. These devices are designed to be low-maintenance, and relatively easy to use. However, they are not foolproof, and mistakes may occur in calibration, maintenance and storage, operation and use of the devices.
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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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The DUI Officer and “Selective Memory” »
How does every detail of a DUI investigation is recalled by a police officer testifying in a drunk driving trial recall months earlier?
When a motorist is stopped by an officer and the officer suspects that he may be under the influence of alcohol, he from the moment when he stops the motorist begins to mentally record various observations. He may notify many things such as he may notice that was the driving erratic, and in what way? How did the suspect reacted to the red overhead lights? How did the suspect pull over and park? Was an odor of alcohol there on the driver’s breath, and how strong it was? Could it have come from the passenger? Was the face of driver flushed, eyes bloodshot, speech thick and slurred? What was his response to the questions and directions? What were his answers to questions asked by the cop such as "Where he is going? What time is it? Have he been drinking? What? When? Where? How much?" Did the suspect have a current license and registration? Did the suspect fumble with his wallet pulling out his license? Was the suspect stagger when stepping from the car? What did the passenger say? How did she appear? And so on.
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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.
Investigation of DUI Cases:
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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