A local television personality's family is seeking help in the disappearance of her mother. Savannah Guthrie, a host of the "Today" show, has taken to social media to express her family's desperation and beg for assistance. The missing woman, 84-year-old Nancy Guthrie, was last seen at her home outside Tucson.

Authorities have released two ransom notes in the investigation, including one claiming she had died. Further details on the investigation and the ransom notes are available from the authorities and news sources, including NBC Los Angeles.