Was the kidnapping of Nancy Guthrie a revenge payback to Savannah.

Was the kidnapping of Nancy Guthrie a revenge payback to Savannah?  The Nancy Guthrie case just took another disturbing turn — and top FBI profilers believe the suspect may have already made critical mistakes. Tonight we break down the latest evidence, the behavioral clues investigators are focused on, and the chilling theories from Dr. Ann Burgess, Dr. Gary Brucato, and former FBI profiler Jim Clemente. Was this a planned abduction, a personal obsession, or something even darker?