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Another criticism of standardized field sobriety tests is the statistical evidence behind them, and the ability of the test to actually judge for impairments related to alcohol. One study involved completely sober individuals who were asked to perform the standardized field sobriety tests, and their performances were videotaped.
Drug impaired drivers still show impairment during the battery of standardized field sobriety tests, but there are additional tests to help detect drug impaired driving. The Drug Evaluation and Classification program is designed to detect a drug impaired driver and classify the categories of drugs present in their system.
A Drug Recognition Expert (DRE) is a law enforcement officer trained in a scientifically validated method to identify people whose driving is impaired by drugs other than, or in addition to, alcohol.
An increasingly used field sobriety test involves having the suspect breathe into a small, handheld breath testing device. These are often referred to as PAS Tests, or "Preliminary Alcohol Screening" Tests", or a PBT, "Preliminary Breath Test" and precede the actual arrest and subsequent requirement to submit to an evidentiary chemical test of ...
However, a driver is not legally obligated to submit to field sobriety tests, pre-arrest breath tests or cheek swabs at a DUI checkpoint, according to Shouse California Law Group.
Drug impaired drivers still show impairment during the battery of standardized field sobriety tests, but there are additional tests to help detect drug impaired driving. In the US, one study found that 25.8% of drivers seriously injured in crashes tested positive for cannabinoids, 13.6% tested positive solely for cannabinoids, and 24.6% tested ...
Silva noted in the police report that Flint refused any standardized sobriety tests, both after he was pulled over on the street and while in booking back at the Raynham Police station.
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