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DUI Investigation and Impairment
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DUI Investigation and Impairment

Created by
@LawAbidingTonalism

Questions and Answers

What is a visual cue of driving impairment for a motorcyclist?

  • Trouble balancing at a stop (correct)
  • Driving at the speed limit
  • Wearing a helmet
  • Using turn signals

    • What does an impaired driver's difficulty with divided attention lead to?

  • Increased situational awareness
  • Improved reaction time
  • Difficulty steering and controlling the accelerator (correct)
  • Enhanced night vision

    • Why should an officer not ask an impaired driver to move their vehicle to a safer location?

  • Because it may create an unsafe situation (correct)
  • Because the driver may get lost
  • Because it's not necessary
  • Because the officer is not trained to do so

    • What is a common error made by an impaired motorcyclist?

    <p>Problems turning, such as unsteadiness or sudden corrections</p> Signup and view all the answers

    What is an additional cue of impairment that may occur when an officer directs a driver to stop their vehicle?

    <p>The driver strikes the curb or another object</p> Signup and view all the answers

    What is a visual cue of driving impairment for a motorcyclist at night?

    <p>Operating without lights</p> Signup and view all the answers

    What is a divided attention task for a driver?

    <p>Steering and controlling the accelerator</p> Signup and view all the answers

    What is a result of an impaired driver's inability to divide attention?

    <p>Difficulty making driving and stopping decisions</p> Signup and view all the answers

    What is the maximum number of clues that can be observed for a driver during the walking stage of the walk-and-turn test?

    <p>Eight</p> Signup and view all the answers

    According to the instructions, what should the driver do with their arms during the walking stage of the walk-and-turn test?

    <p>Keep their arms at their sides</p> Signup and view all the answers

    What is considered an improper turn in the walking stage of the walk-and-turn test?

    <p>Removing the front foot from the line while turning</p> Signup and view all the answers

    Which of the following is NOT a clue that an officer should look for during the walking stage of the walk-and-turn test?

    <p>The driver completes the test without any errors</p> Signup and view all the answers

    What is the correct distance between the heel and toe for each step during the walking stage of the walk-and-turn test?

    <p>Less than 1/2 inch</p> Signup and view all the answers

    If a driver indicates they have a physical injury or limitation that would prevent them from completing the walk-and-turn test, what should the officer do?

    <p>Skip the walk-and-turn test and move on to the next test</p> Signup and view all the answers

    What is the correct starting position for the walking stage of the walk-and-turn test?

    <p>Heel-to-toe position</p> Signup and view all the answers

    What is the total number of steps the driver should take during the walking stage of the walk-and-turn test?

    <p>Nine</p> Signup and view all the answers

    What is the primary purpose of Standardized Field Sobriety Tests (SFSTs)?

    <p>To determine alcohol or drug impairment</p> Signup and view all the answers

    Which physiological process involves alcohol entering the bloodstream?

    <p>Absorption</p> Signup and view all the answers

    How does alcohol primarily affect motor skills in an impaired individual?

    <p>Causes loss of fine motor skills</p> Signup and view all the answers

    What factor does NOT influence the degree of alcohol's effect on a person?

    <p>Gender of the person</p> Signup and view all the answers

    Which of the following is a common mental effect of alcohol?

    <p>Poor judgment</p> Signup and view all the answers

    During which process does the body expel alcohol?

    <p>Elimination</p> Signup and view all the answers

    What is NOT a result of slowed reaction time due to alcohol consumption?

    <p>Quick decision-making in emergencies</p> Signup and view all the answers

    Which of these factors does NOT affect how alcohol is processed in the body?

    <p>Emotional state of the person</p> Signup and view all the answers

    What should be the initial instruction to the driver before starting the HGN test?

    <p>I am going to check your eyes.</p> Signup and view all the answers

    Which of the following instructions is NOT part of the HGN test administration?

    <p>Keep your feet shoulder-width apart.</p> Signup and view all the answers

    How should the testing object be positioned during the HGN test?

    <p>About 12–15 inches from the driver’s nose and slightly above eye level.</p> Signup and view all the answers

    Which abnormality should be checked during the initial stage of the HGN test?

    <p>Unequal pupil size.</p> Signup and view all the answers

    What is a key indicator of impairment observed during the HGN test?

    <p>The sooner nystagmus is observed.</p> Signup and view all the answers

    What should the officer do if resting nystagmus is observed?

    <p>Question the subject about their medical history.</p> Signup and view all the answers

    What indicates 'equal tracking' during the HGN test?

    <p>Eyes follow the object without any deviation.</p> Signup and view all the answers

    Which of the following objects is suitable for the HGN test?

    <p>A small object with good contrast.</p> Signup and view all the answers

    Which of the following is NOT a necessary element to be established in a DUI arrest report?

    <p>The accused's blood alcohol content (BAC) level</p> Signup and view all the answers

    What is the primary purpose of organizing the DUI narrative in a report around the complete sequence of events?

    <p>To provide a chronological account of the events leading to the arrest</p> Signup and view all the answers

    Which of these is NOT a lawful procedure that needs to be followed by an officer regarding the rights of the accused in a DUI arrest?

    <p>Allowing the accused to refuse a breath, urine, or blood test</p> Signup and view all the answers

    Why is it crucial to document the officer's lawful arrest procedures in a DUI report?

    <p>To demonstrate the legitimacy of the arrest to the court</p> Signup and view all the answers

    What is the significance of documenting subsequent observation and interview of the accused in a DUI report?

    <p>All of the above</p> Signup and view all the answers

    Which of these statements is TRUE regarding the importance of preparing a comprehensive DUI arrest report?

    <p>All of the above</p> Signup and view all the answers

    Which of these elements is NOT specifically mentioned as a necessary component of a DUI arrest report?

    <p>The type of vehicle involved in the incident</p> Signup and view all the answers

    What is the primary benefit of organizing the DUI narrative in a report around the complete sequence of events?

    <p>All of the above</p> Signup and view all the answers

    Study Notes

    Standardized Field Sobriety Tests (SFSTs)

    • SFSTs are three accurate and reliable tests to determine alcohol or drug impairment during a DUI investigation
    • The three tests are HGN (Horizontal Gaze Nystagmus), Walk-and-Turn, and One-Leg Stand

    Effects of Alcohol on the Human Body

    • Alcohol is a central nervous system depressant that can impair fine motor skills, hand-eye coordination, and judgment
    • The human body processes alcohol through absorption, distribution, metabolism, and elimination
    • Any amount of alcohol can affect a person's ability to drive
    • Factors that influence the degree of impairment include the amount and duration of alcohol consumption, individual physiology, and food consumption

    Driver Impairment Cues

    • Common mental and physical effects of alcohol include:
      • Slowed reactions and perception-reaction time
      • Poor judgment
      • Taking risks
      • Poor coordination
    • DUI motorcyclist visual cues include:
      • Drifting during turns or curves
      • Trouble dismounting
      • Trouble balancing at a stop
      • Problems turning (unsteadiness, sudden corrections, late braking, improper lean angle)
      • Weaving
      • Moving erratically while going straight
      • Operating without lights at night
      • Driving recklessly (e.g., driving on one wheel or at high speeds)
      • Following too closely
      • Running a stop light or sign
      • Evading the officer
      • Going the wrong way
    • Vehicle stop cues include:
      • Attempting to flee
      • Not responding
      • Responding slowly
      • Swerving abruptly
      • Stopping suddenly
      • Striking the curb or another object

    HGN Testing

    • The HGN test is administered to check for nystagmus, which is a pathological disorder or a result of high doses of a drug like PCP
    • Instructions for the HGN test include:
      • Stand with feet together and hands down at sides
      • Keep head still and follow a small object with eyes only
      • Do not move head
    • The object should be positioned about 12-15 inches from the driver's nose and slightly above eye level
    • Check for resting nystagmus and equal pupil size
    • Check for equal tracking by moving the object smoothly across the driver's entire field of vision two times

    Walk-and-Turn Test

    • Instructions for the walking stage of the walk-and-turn test include:
      • Walk heel-to-toe along a straight line
      • Keep arms at sides
      • Count steps out loud
      • Watch feet at all times
    • Clues to look for during the walking stage include:
      • Stopping
      • Missing heel-to-toe
      • Stepping off the line
      • Using arms for balance
      • Improper turn
      • Incorrect number of steps

    DUI Report

    • A clear and comprehensive DUI report should establish the following elements:
      • Reasonable suspicion for stopping or contacting the accused
      • The accused was the driver or in actual physical control of the vehicle
      • Probable cause to believe the accused was impaired
      • The officer followed lawful procedure regarding the rights of the accused
      • The officer followed lawful arrest procedures
      • Subsequent observation and interview provided additional evidence relevant to the alleged offense
      • The officer made a lawful request for the accused to submit to a breath, urine, or blood test, and the results of the test

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    Description

    Learn about Standardized Field Sobriety Tests (SFSTs) and strategies to prevent impaired driving. Understand alcohol and drug impairment in DUI traffic stops.

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