The cause and manner of death will be investigated, and "whether or not there was foul play," he said. In the months since Harrelson's disappearance, volunteers and officers conducted a number of searches for the boy who was reported missing just days before he turned 11. His disappearance even became part of defense theories in an appeal of Cristhian Bahena Riveras conviction in the murder of Mollie Tibbetts. MONTEZUMA, Iowa (KCRG) - Officials confirmed the human remains found in rural Poweshiek County late last month are those of Xavior Harrelson, the 10-year-old boy who disappeared from Montezuma, Iowa on May 27. //-->