Mercer County Sheriff, Jeff Grey, will present “The Opioid Epidemic: Heroin and Prescription Drug Addiction,” in the Gaspar Room at St. Charles Center, Carthagena, Ohio, 6:30 p.m., Tuesday, October 30. Free and open to the public (ages 12 and up). Drop off your outdated prescription medications. Sponsored by the Missionaries of the Precious Blood and the St. Mary’s Deanery.