Nancy Guthrie disappearance: What we learned from the doorbell video

Doorbell security camera footage released Tuesday shows a masked person with a gun outside the Tucson home of Nancy Guthrie, marking a major development in the search for the 84-year-old mother of “Today” host Savannah Guthrie, who vanished more than a week ago. Authorities initially reported that the doorbell camera had been removed or disconnected, [...]