TUCSON, Ariz. — A retired FBI agent has publicly pushed back against conspiracy theories circulating online that have falsely implicated Nancy Guthrie's daughter and son-in-law in her disappearance, calling the claims unsupported by facts and describing the case in stark terms as a kidnapping for ransom.

Nancy Guthrie, the 84-year-old mother of NBC "Today" show co-anchor Savannah Guthrie, was reported missing from her Tucson-area home on Feb. 1, with investigators believing she was abducted. In the more than six months since her disappearance, some corners of social media have circulated unverified theories suggesting Guthrie's daughter, Annie, and son-in-law, Tommaso Cioni, were somehow connected to her disappearance, or even responsible for her death. Authorities have strenuously denied any such connection.

Retired FBI Special Agent Jennifer Coffindaffer addressed those theories directly in a post on the social platform X, expressing frustration over what she described as baseless speculation targeting the family. Coffindaffer instead emphasized the close relationship Nancy Guthrie shared with her daughter and son-in-law, who she said served as her primary caregivers. "She loved playing Mahjong and eating Saturday night dinners with them," Coffindaffer wrote. She went on to describe the couple's role in supporting Nancy Guthrie's independence in her later years. "Annie and Tommaso were her caregivers who made sure Nancy could stay in the house she loved and purchased 50 years ago to raise her family."

Coffindaffer argued that........

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