Search for Nancy Guthrie Intensifies as Savannah Guthrie's Story Airs

Pima County Sheriff's Department and the FBI are intensifying the search for Nancy Guthrie as the A&E series “Desert Law” brings national focus to the investigation.The eighty-four-year-old mother of NBC anchor Savannah Guthrie vanished from her Tucson home three weeks ago following signs of forced entry and subsequent ransom demands for bitcoin.While authorities have cleared the family and offered a $50,000 reward, no suspects have been identified despite a tactical raid and the use of new Bluetooth tracking technology.