Ludington attorney hired as assistant prosecutor. #OceanaCountyNews HART — Chad A. DeRouin of Ludington has been hired as the new chief assistant prosecutor for Oceana County, said Oceana County Prosecutor Joseph Bizon. A Muskegon native, DeRouin earned his bachelor’s degree from Western Michigan University in 2010 and his law degree from Thomas A. Cooley Law School in 2013. He began…