Missing Nancy Guthrie: ‘We don’t know where she is’

Pima County Sheriff Chris Nanos took questions from reporters on Tuesday afternoon about the investigation into the disappearance of 84-year-old Nancy Guthrie, the mother of “Today” co-host Savannah Guthrie, who was last seen at her Tucson residence on Saturday evening. The FBI is assisting in the case, and the investigation remains ongoing.