As the search for Nancy Guthrie continues, a former FBI agent is weighing in on the ransom notes connected to her case. Authorities believe the mother of Today anchor Savannah Guthrie was taken against her will from her Arizona home on January 31. Since her disappearance, multiple ransom notes have been sent to TMZ. While some of the letters have been dismissed as hoaxes, the outlet reported receiving two more on Monday, April 6 - the same day Savannah returned to the morning show.