Disturbing video and a person questioned. Here are the key developments in the Nancy Guthrie case

CNN, KOLD, NBC, FBI, @FBIDIRECTORKASH, PIMA COUNTY SHERIFF’S DEPARTMENT By Danya Gainor, Chelsea Bailey, CNN (CNN) — The search for missing 84-year-old Nancy Guthrie, mother of “Today” show host Savannah Guthrie, has stretched into nearly a third, anguished week, with mounting pressure on investigators and a family grappling with uncertainty. Guthrie was last seen on