In Tuesday's primary elections in Knox County, Dirk Carnahan defeated Ryan Johanningsmeier for the Republican nomination for Knox County Prosecutor. Carnahan faces Democrat Hal Johnston in November. Mindy Wessel won the Democratic nomination for Auditor by defeating Sheila Hobbs. And incumbent Vincennes Township trustee Mike Quinett beat Rocky Lewis by well over 500 votes for the Democratic nomination for that office. Quinett faces Republican Stephanie Fuller in the fall.