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Daniel F. Farnsworth

Daniel Farnsworth’s Legal Guides

1 total

  • SFST Guide with clues

    HGN Horizontal Gaze Nystagmus is a series of three tests for the smoothness and accuracy of eye movement control. The eye control becomes visibly disrupted to the examiner when a suspect is impaired by alcohol and/or drugs. Steps: Remove glasses/ask if wearing contacts (note t...

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