Article continues below advertisementJournalist Ashleigh Banfield doubled down on her theory that there was only one kidnapper who took Nancy Guthrie, the 84-year-old mother of Today show co-host Savannah Guthrie, who has been missing since February 1. The former NewsNation host reported that she believes a single perpetrator - whom she initially identified as Tommaso Cioni, Nancy's son-in-law - was responsible for the abduction.