As I have said in earlier posts, law enforcement investigation techniques depend largely upon the fictitious premise that all humans are physiologically identical (see “Convicting the Average DUI Suspect”). Without that presumption, field sobriety and breath alcohol tests would not be possible. I have previously discussed many examples of physiological differences — from person to [...]

Read the complete post at http://www.duiblog.com/2008/01/24/breathalyzer-results-depend-on-body-temperature/