Quick Facts About Savannah Guthrie's Mum, Nancy Guthrie: Family, Career, Religion and Why Cops Think She Was Kidnapped

US authorities are treating the disappearance of Savannah Guthrie's 84-year-old mother, Nancy Guthrie, as a suspected kidnapping, backed by video, digital data and forensic evidence. The FBI has doubled its reward to $100,000 as investigators pursue a masked suspect and analyse ransom notes.