Article continues below advertisementA close friend of Nancy Guthrie, the 84-year-old mother of Savannah Guthrie, is devastated over her scary disappearance. Commenting on a Facebook post about praying for Nancy's "safe return," Mary Tate Engels wrote on Thursday, February 5, "This is like living in a nightmare!" Mary, who described herself as the missing grandma's "bookclub buddy," added that the situation is "torture" for the family and included a broken heart emoji.