This is a short 15-minute review of the 12 steps in the Drug Recognition Examination (DRE) performed by specially trained police officers.

12 Step Overview:
​​​​​​​1. Breath Alcohol Test
2. Interview of the Arresting Officer
3. Preliminary Examination and First Pulse
4. Eye Examination
5. Divided Attention Psychophysical Tests
6. Vital Signs and Second Pulse
7. Dark Room Examinations
8. Examination for Muscle Tone
9. Check for Injection Sites and Third Pulse
10. Subject’s Statements and Other Observations
11. Analysis and Opinions of the Evaluator
12. Toxicological Examination