The law firm of Max A. Keller, Attorney at Law specializes in DUI violations. The firms leading lawyer, Max Keller has more than 10 years of experience in both prosecuting and defending DUI violators. In the state of Minnesota DUI and DWI violations can have serious consequences. Max Keller, the firms leading lawyer, has thorough knowledge of federal and Minnesota criminal law. He has made appearances in criminal courts of more than 50 Minnesota counties.