Article continues below advertisementFormer FBI special agent Raymond Carr told NewsNation anchor Elizabeth Vargas that he does not believe the back door of Nancy Guthrie's home was an exit for the abductors.Nancy, the 84-year-old mother of Today show anchor Savannah Guthrie, was allegedly abducted from her Catalina Foothills, Ariz., home in the early hours of February 1.Raymond theorized that, while the back doors were found propped open, they likely served as entry points for additional individuals into the house rather than as escape routes.