Watch: FBI Releases Images of Potential Subject in Nancy Guthrie InvestigationThe investigation into Nancy Guthrie's disappearance has a major development. Nearly two weeks after Savannah Guthrie's 84-year-old mom was reported missing from her home in Tucson, Arizona, authorities released surveillance photos of a potential subject of the investigation. In the images-recovered from a camera on Nancy's property and released on Feb. 10-an individual wearing a ski mask and backpack can be seen approaching the house's front door, before appearing to hit the camera with their fist.