TUCSON, Ariz. — Nancy Guthrie, the 84-year-old mother of "Today" co-anchor Savannah Guthrie, has been missing for more than eight months, and investigators have not identified a suspect or publicly confirmed her fate.

Guthrie was last seen at her Catalina Foothills home on Jan. 31 and was reported missing the following day. Authorities have treated the case as a possible kidnapping. Doorbell camera footage showed a masked individual near the residence, and DNA from gloves believed to match those worn by the person has been under analysis. The FBI has offered a reward for information.

On Oct. 7, a fragment of bone believed to be human was found in a........

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