India, Feb. 7 -- The search for Nancy Guthrie, the 84-year-old mother of Today show host Savannah Guthrie, continues to evolve nearly a week after she was reported missing from her home in Tucson, Arizona.

The investigating authorities are treating her disappearance as a criminal investigation and have stated that Nancy Guthrie was taken from her home against her will.

At a press conference hosted by the PCSD on Thursday, February 5, FBI Agent Heith Janke stated that a $50,000 reward is being offered to anyone who comes forward with information that results in Nancy's return or the arrest of anyone responsible for her disappearance.

Media outlets have received several ransom notes, some of which include detailed information about the G...