It is important to understand the difference between DWI and DUI in the state of Missouri. A DWI is driving while intoxicated with an alcoholic beverage. Whereas a DUI is driving under the influence of something else, anything that can impair you other than alcohol. For more information regarding the two classifications, contact a lawyer at Muhlenkamp & Bernsen. Our team of attorneys in St. Louis will listen to your case and develop a plan of action.