A DIE involves the following 12 steps • Breath Alcohol Test: The arresting officer reviews the subject's
breath alcohol concentration (BrAC) test results and determines if the subject's apparent impairment is consistent with the subject's BrAC. If so, the officer will not normally call a DRE. If the impairment is not explained by the BrAC, the officer requests a DRE evaluation. • Interview of the arresting officer • Preliminary examination and first
pulse •
Eye examinations • Divided Attention Psychophysical Tests •
Vital signs and second
pulse • Dark room examinations • Examination for
muscle tone • Check for injection sites and third
pulse • Subject's Statements and Other Observations • Analysis and Opinions of the Evaluator • Toxicological examination: After completing the evaluation, the DRE normally requests a urine, blood and/or saliva sample from the subject for a toxicology lab analysis. == Critique & Controversy ==