Rhonda Sue Coleman was two weeks away from graduating high school in Hazlehurst, Georgia on May 17, 1990. That night, as a part of a Jeff Davis High School tradition, she and fellow seniors gathered at a student’s house to decorate a graduation banner to put up at school, her cousin Natasha Bennett told Dateline. Who Killed Rhonda Sue Coleman? After the banner-decorating party, Rhonda, 18, and a few other students went to a nearby convenience store. Rhonda’s friends would later tell police that a little after 10:00 p.m.,  Rhonda said she had to leave to get home by her 10:30 p.m. curfew, and that she planned to stop at a nearby Hardee’s drive-through on the way. She left her friends to drive the three miles to her house, Natasha said. That same night, one of Rhonda’s classmates, Layla Miller Marshall, couldn’t make it to the banner-decorating festivities because of her work schedule. When she got off work, she stopped at her boyfriend’s house before driving home. “Rhonda only lived...