The drunk driving case rests heavily upon the subjective opinions of the arresting officer — the abilities of that officer to correctly assess DUI symptoms of intoxication: observations of driving, personal symptoms (slurred speech, flushed face, etc.), answers to questions, performance on field sobriety tests. It is his DUI report (and his opinion in that [...]

Read the complete post at http://www.duiblog.com/2008/02/25/how-good-are-cops-at-detecting-intoxication/