Driving under the influence (DUI) is the criminal offense of driving a motor vehicle while impaired by drugs or alcohol, including drugs prescribed by physicians. For alcohol, a drunk driver’s level of intoxication is determined by measuring their blood alcohol content (BAC). There’s a specific threshold level, such as a BAC measurement of 0.05%, which defines criminal offense if exceeded. According to the Insurance Institute For Highway Safety, about a third of all drivers who die in car crashes in the U.S. have blood alcohol concentrations of 0.08% or more. By legal definition, the criminal offense may not actually involve driving of the vehicle, but may broadly include having physical control of the car while intoxicated, even if the individual charged is not actually driving. [Read more…]