New surveillance video from the Tucson, Ariz., home of Nancy Guthrie, 84, shows a person at her front door early on the morning of Feb. 1, when she was abducted. The individual is wearing a ski mask,

The Pima County Sheriff's Department is currently seeking any footage from residents near Skyline Drive and Campbell Avenue that might have been captured on doorbell and

Visual analysis of footage released by the FBI in the case of the disappearance of "Today" host Savannah Guthrie's mom Nancy Guthrie reveals new clues