Christopher Shepperd, right, of Huntington, Ind., confers with his attorney, Mark Schnitkey, during a change of plea hearing Monday in Auglaize County Common Pleas Court in Wapakoneta. Shepperd pleaded guilty to charges he was driving under the influence of methadone, a prescription he was taking for chronic back pain, when he ran a stop sign near Minster and killed 75-year-old Doris Overman of Minster.