Article continues below advertisementIt's possible that progress is being made in the case of Nancy Guthrie's disappearance, according to one retired FBI agent. Weighing in after investigators returned to the rural Arizona home of Today star Savannah Guthrie's missing mom for several hours on Wednesday, February 25, Jennifer Coffindaffer said it was an encouraging development. "There is activity at Nancy's house," she wrote on X. "The folks in suits look like attorneys to me. Prosecutors often want to see a crime scene first hand. They would likely be accompanied by lead detectives/agents.