Missouri v. Joseph Elledge. An exchange student found a career and a love match in the idyllic Missouri university town of Columbia. It was a shock to their friends and family when she disappeared, leaving both her child and cell phone behind. The missing persons case made headlines as police divers painstakingly searched a nearby river without success. But then a discovery - hikers stumbled on the remains of a corpse in the woods, and forensic experts confirmed it was Mengqi. The “no body” case was now officially a murder case with strong forensic evidence matching dirt on the killer’s boots to the dirt at her gravesite.