After leading police to Mollie Tibbetts’ slain body, suspected killer pleads NOT GUILTY during arraignment: Report

A man accused of killing University of Iowa student Mollie Tibbetts pleaded not guilty during a Wednesday morning court arraignment. USA Today reports that 24-year-old Cristhian Rivera, an undocumented immigrant behind bars in connection with the death of 20-year-old Mollie, had a brief appearance at the Poweshiek County Courthouse on Wednesday morning, where District Court Judge Joel …