Inside the Unsolved Disappearance of Nancy Guthrie

Six months after Nancy Guthrie vanished from her Tucson-area home, investigators appear no closer to solving the case. Michael speaks with Wall Street Journal reporter Valerie Bauerlein about the ransom notes, surveillance footage, early law-enforcement missteps, and the baffling lack of a breakthrough. How can someone vanish without a trace—and will the mystery of Savannah Guthrie’s mother ever be solved?