The State of Arizona is serious about drunk driving. It is by far the most harsh state when it comes to sentencing if someone is convicted of a DUI. Its DUI laws cover every type and degree of offense. There is one set of penalties for first offense DUI's, another set for aggravated/ felony DUI, and yet another level for people charged with multiple DUI offenses.
Many people become despondent when they go home after an AZ DUI arrest and start googling. The overwhelming majority of people arrested for a DUI have never been in trouble before, and officers often use that naiveté to their advantage and get people to say and do things during the investigation that they later regret.
A recent Utah case illustrates how confounding DUI arrests can be.