Nancy Guthrie's disappearance continues to baffle investigators, but newly surfaced details about surveillance footage and witness sightings are fueling fresh hope in the case, Wonderwall.com can reveal. The 84-year-old mother of Today shot cohost Savannah Guthrie vanished after returning home from a family dinner in Tucson, Arizona, on January 31, and more than two months later, authorities are still searching for answers. FBI tracking key footage Investigators focused on locations tied to Nancy Guthrie's timeline the night she vanished.