Sue Opper, District Attorney (Retired), Waukesha County (WI)
Sue Opper is the recently retired Waukesha County District Attorney, who left office in January 2025 after more than 30 years. She began as an Assistant District Attorney in 1991 and went on to prosecute well over 100 jury trials, handling cases from traffic offenses to first-degree intentional homicide. From 2008 to 2014, she directed the Narcotics Unit for the Waukesha County Metro Drug Enforcement Group, and she has also served in the Juvenile and Domestic Violence Divisions. Sue was the lead prosecutor on a no-body cold case homicide, the Waukesha Christmas parade attack, and dozens of Len Bias fatal overdose prosecutions. She has served as Board President of Crime Stoppers and teaches in the Law Enforcement and Criminal Justice Department at Waukesha County Technical College.
