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State v. Mara

Citations: 2009 VT 96; 987 A.2d 939; 186 Vt. 389; 2009 Vt. LEXIS 110Docket: 2008-373

Court: Supreme Court of Vermont; September 18, 2009; Vermont; State Supreme Court

Original Court Document: View Document

Narrative Opinion Summary

The Vermont Supreme Court reversed a district court's decision to suppress evidence and dismiss a civil suspension case involving a DUI charge against a driver stopped for a cracked taillight. Initially, the district court found that the officer's suspicion of DUI was unjustified after the driver passed field sobriety tests, despite having watery, bloodshot eyes and admitting to drinking. The officer's administration of a Preliminary Breath Test (PBT), which indicated a BAC over the legal limit, was challenged as lacking reasonable suspicion. However, the Supreme Court held that reasonable suspicion was justified based on cumulative signs of alcohol consumption and the public safety interest in conducting DUI investigations. The court emphasized that passing field sobriety tests does not automatically eliminate suspicion, especially when other indicators are present. Moreover, the PBT was deemed a minimal intrusion, supported by legislative intent to utilize chemical analysis for DUI enforcement. The court also dismissed concerns about the Horizontal Gaze Nystagmus (HGN) test's reliability, as it was not a factor in administering the PBT. The case was remanded, with the Supreme Court's decision underscoring the importance of comprehensive evaluation in DUI stops and the admissibility of PBT results under existing legal standards.

Legal Issues Addressed

Admissibility of Preliminary Breath Test (PBT)

Application: The PBT was deemed a minimally intrusive tool justified by reasonable suspicion and legislative encouragement for its use in DUI investigations.

Reasoning: The PBT was characterized as a quick, minimally intrusive tool that serves an essential role in DUI investigations, supported by legislative encouragement for chemical analysis use.

Exclusion of Horizontal Gaze Nystagmus (HGN) Test Results

Application: The court found the HGN test results unreliable due to lack of foundation, thus not affecting the admissibility of the PBT.

Reasoning: The absence of evidence on this matter in the record led to the conclusion that the question of whether the HGN test tainted the PBT is not considered.

Impact of Field Sobriety Test Results on Reasonable Suspicion

Application: Passing field sobriety tests does not negate reasonable suspicion if other indicators of impairment are present.

Reasoning: The court could not agree with the district court's view that the trooper’s suspicion of DUI became unreasonable solely because the defendant passed two sobriety tests.

Legal Standard for Investigative Detention

Application: The court upheld the principle that a brief investigative detention is justified if there is reasonable suspicion of criminal activity, aligning with precedent.

Reasoning: The court noted that a brief investigative detention is justified if there is reasonable suspicion of criminal activity, and a PBT may be conducted if there is reason to believe the individual is driving under the influence.

Reasonable Suspicion for DUI Testing

Application: The court determined that observable signs of alcohol consumption justified further investigation even after sobriety tests were passed.

Reasoning: The trooper had observed the driver smelling of alcohol, exhibiting watery and bloodshot eyes, and admitting to drinking, which collectively warranted further investigation regardless of the sobriety test results.