A recent report refers to a driver who was involved in a fatal crash where he was allegedly drunk but was not at fault and still charged with a felony. This can make sense only with an understanding of Illinois DUI law. “DUI” refers to Driving Under the Influence.
The DUI law in Illinois is part of the Illinois Vehicle, specifically 625 ILCS 5/11-501. Within it are six different categories of DUI.
One category is DUI with a blood alcohol content (BAL) of .08 percent or greater. Illinois law (identical to the other 49 states due to federal laws that take away highway funds from any state that does not have .08) states that if upon measuring a given amount of your blood, either directly or inferentially through your breath, it contains .08 percent or more of alcohol, you are considered to be driving illegally, regardless of your actual or perceived state of impairment. This is known as the “per se” law.
A DUI prosecution can occur even without a BAL or a BAL under .08. This would be known as an “affected by” case. In other words, evidence beyond the BAL demonstrates that your driving was “affected by” alcohol consumption.
Such evidence gathering would be begin with the officer’s observations of your driving skills, as well as how you handle the initial stop (do you pull over promptly, do you pull over safely, etc). Continue reading →