Federal investigators have determined that all three messages related to the kidnapping of Nancy Guthrie, mother of "Today" show co-host Savannah Guthrie, are fakes. The FBI's assessment casts doubt on the initial premise of abduction for ransom. While the Pima County Sheriff's Department continues its active investigation, the authenticity of these communications has been officially dismissed, leaving the family in agony and seeking answers.

a second ransom note allegedly sent to some media outlets just days after Nancy Guthrie went missing reportedly said the 84-year-old died and is "buried with nature."

Pima County Sheriff Chris Nanos has dismissed the credibility of a recent email in the Nancy Guthrie disappearance case. The 84-year-old mother of journalist Savannah Guthrie…

An FBI official said the bureau believes the ransom notes sent to Nancy Guthrie's family are not genuine.