(Madison Co., IL)  —  A man is going to prison for a DUI accident that killed a mother in front of her kids.  Steven Willis was sentenced Thursday to seven years in prison for hitting 27-year-old Samantha Miller on the side of I-55 in Madison County in October of 2015.  Illinois State Police say Miller had pulled over with her three kids after her car broke down.  Miller died at the scene and her three children were hospitalized.