Article continues below advertisementA man has been released after he was detained by police in connection with the case of Nancy Guthrie, the mother of Today star Savannah Guthrie. On Tuesday, February 10, the Pima County Sheriff's Department confirmed that authorities "detained a subject during a traffic stop south of Tucson" in Arizona earlier that day.They later shared, "Investigators have completed their search of a property in Rio Rico. Nancy Guthrie investigation is ongoing. No further details at this time.