18 year old Sheryl Bonaventura of Grand Junction, Colorado, became Wilder’s sixth victim on March 29, 1984. Shortly before leaving for Aspen on a pleasure trip. Before meeting with a girlfriend, Sheryl stopped at a local mall where she met Wilder, who told her that he was looking for a model. She was murdered later that day. 

                                                              Sheryl Bonaventura