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The FBI is investigating some ransom notes related to Nancy Guthrie's disappearance as potential extortion attempts, while others remain under evaluation for legitimacy. Authorities, including the Pima County Sheriff’s Department, are treating the case as a kidnapping for ransom. Surveillance footage and blood evidence near her Tucson home have been key leads.

The FBI is investigating some ransom notes related to Nancy Guthrie's disappearance as potential legitimate demands, while dismissing others as extortion attempts. The Pima County Sheriff’s Department and media outlets like KOLD and TMZ have also received notes, with authorities continuing to treat the case as a kidnapping for ransom.

Savannah Guthrie, 'Today' show host, pleaded for public tips about her missing 84-year-old mother, Nancy Guthrie, who was reported missing in February. FBI video showed a masked stranger at Nancy Guthrie's Tucson home, and blood was found on the porch. Ransom notes indicated her death, though the case remains unsolved.

Savannah Guthrie, a 'Today' show host, pleaded for public help finding her missing 84-year-old mother, Nancy Guthrie, who disappeared in February. Ransom notes indicated Nancy may be dead, though the FBI investigation remains unsolved. Blood was found on her porch, and a masked stranger was captured on camera.

A ransom note related to the disappearance of Nancy Guthrie, mother of Savannah Guthrie, indicated she had died, according to CNN and law enforcement sources. Authorities, including the FBI and Pima County Sheriff’s Department, are investigating her kidnapping, which occurred after blood was found near her Tucson home, with search efforts ongoing in the Arizona desert.