Watch: Savannah Guthrie Shares Plea for "Beloved" Mom Nancy Guthrie After She Goes MissingThe search for Savannah Guthrie's missing mom continues. After Nancy Guthrie was reported missing Feb. 1, authorities shared that the 84-year-old may have been abducted from her Tucson, Ariz. home. In lieu of possible ransom notes connected to the investigation, the Pima County Sheriff's Department offered an update on Nancy's disappearance. "We have nothing else to go on but the belief that she is here," Pima County sheriff Chris Nanos told NBC News' Liz Kreutz. "She's present.