State Must Show Nexus Between Prescription and Impairment - DUI News - 06/02/16
/Fourth District confirms that, for an OVI based on a prescription medication, the State must show a nexus between the prescription and impairment through "(1) the testimony of an expert who is familiar with the potential side effects of the medication" or (2) the testimony of a layperson (such as a friend or family member) who witnesses the effect of the particular drug on the defendant-driver."
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