Driving Under the Influence (DUI) Investigations


One of the most common uses of forensic toxicology is to determine if an individual who was pulled over by police and suspected of drunk driving is under the influence of alcohol and/or drugs. Instructions: In this assignment you will choose ONE of the following topics to discuss:

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• The commonly used field sobriety tests include the horizontal gaze nystagmus test, the walk and turn, and the one leg stand. Describe what these tests are and what police officers are looking for when asking a suspect to perform these tests.

• The breathalyzer test can be conducted to determine a person’s blood alcohol level. How does the test work? Is there a difference in the reliability of hand-held tests versus the ones at the police station?

• There are criteria for maximum blood alcohol levels in commercial and non- commercial drivers. What are they? What does blood alcohol level mean in terms of how the body absorbs and eliminates alcohol?


• Submit a Word document in APA format. • Maximum two pages in length, excluding the Title and Reference pages. • At least two resources.


Be sure to read the criteria below by which your work will be evaluated before you write and again after you write.

CRJ180 – Introduction to Forensics

Driving Under the Influence (DUI) Investigations



Evaluation Rubric for Driving Under the Influence (DUI) Investigations Assignment

CRITERIA Deficient Needs

Improvement Proficient Exemplary

0 – 38 points 39 – 51 points 52 – 64 points 65 points Content Organization

structure and paragraphing have serious and persistent errors. Directions were ignored and information provided was insufficient to meet assignment guidelines.

Written work inadequate for college-level work; Paragraphing and transitions are inadequate; inappropriate guidelines outlined for paper were not met with several problems (see directions).

Written work is clear and adequate college-level work; Paragraphing and transitions are adequate; appropriate guidelines outlined for paper were met with a few noted problems (see directions).

Written work is clear and excellent college-level work; Paragraphing and transitions are clear and appropriate; appropriate guidelines outlined for paper were met (see directions).

0 – 5 points 6 – 7 points 8 – 9 points 10 points Resources 0 resources 1 resource 2 resources More than 2


Paper Length More than 2 pages

n/a n/a 2 pages or less

0 – 8 points 9 – 11 points 12 – 14 points 15 points Clear and Professional Writing and APA Format

Errors impede professional presentation; guidelines not followed.

Significant erro rs that do not impede professional presentation.

Few errors that do not impede professional presentation.

Writing and format are clear, professional, APA compliant, and error free.



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