The mother of "Today" show host Savannah Guthrie has been reported missing in southern Arizona, and authorities say her disappearance is being investigated as a crime. Nancy Guthrie, 84, was last seen at her Catalina Foothills home on the evening of Jan. 31. Pima County Sheriff Chris Nanos said during a news conference that "concerning circumstances were found," which has led to homicide detectives investigating the case. Click the link in our bio for more on this story. #savannahguthrie #todays