Police stop driver after observing him enter mall parking lot through driveway marked “Exit Only.” Driver is barefoot in November and displays evidence of recent leg injury. Police allege he smells of alcohol and admits to a number of drinks earlier. Client accused of drunk driving refuses all field tests following successful completion of alphabet test. Post arrest breath test is .17 BrAC. Defense challenges accuracy and precision of breath test as it relates to required proof of alcohol by weight in blood. Not guilty verdict following trial.