The Pima County Sheriff's Department has not identified a suspect amid the ongoing search for Today anchor Savannah Guthrie's missing mom, Nancy Guthrie. "At this point, investigators have not identified a suspect or person of interest in this case. Detectives continue to speak with anyone who may have had contact with Mrs. Guthrie," a statement from the department read on Wednesday, February 4. "Detectives are working closely with the Guthrie family.