Authorities believe two ransom notes addressed to Nancy Guthrie's family — including a note that said she had died — were likely sent by the person or group of people who abducted her.

A bizarre blackmail note sent February 6 offered to return the 84-year-old's body in return for money, a source familiar with the investigation has said.

Nancy Guthrie's family received a ransom note with an apology for her unintended death.

The update of Nancy Guthrie's status was the contents of a never-before-released second ransom note sent in February about her abduction.