A second DUI offense carries much harsher penalties than the first, often involving mandatory jail time, longer license suspension, and higher fines. Judges tend to treat repeat offenders with less leniency, viewing it as a pattern of risky behavior. Many states require installation of an ignition interlock device and completion of substance abuse programs. The legal process becomes more complex, and the impact on employment and insurance rates can be severe. It's a sobering wake-up call that u… second DUI offense 9