Sentencing delayed in cocaine case. #OceanaCountyCrime By Allison Scarbrough. Editor. HART — A 51-year-old Shelby man, who is a registered sex offender, faces serving two to 30 years in prison for convictions of cocaine delivery less than 50 grams and second-offense habitual offender. Rodney Alvin Ramthun, of 4080 W. Baker Rd., pleaded guilty last March in 27th Circuit Court. Ramthun,…