78th District Court arraignments. #OceanaCountyCourtNews By Allison Scarbrough. Editor. HART — The following were arraigned recently in 78th District Court: Felony – Chad Mitchell Riggs, 42, of 6749 W. Taylor Rd., Hart, was arrested Aug. 2 by the Oceana County Sheriff’s Office (OCSO) for a felony of assault by strangulation and fourth-offense habitual offender. Preliminary conference: Aug. 14 at 3…