Shelby man sent to prison for child porn possession. #OceanaCountyCrime By Allison Scarbrough, Editor. HART — A 52-year-old Shelby man was sentenced to three to 15 years in prison for convictions of child sexually abusive material possession and fourth-offense habitual offender in 27th Circuit Court Monday, June 3. Rodney Alvin Ramthun, of 4080 W. Baker Rd., pleaded guilty to the…