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A retired FBI agent says doorbell video raises disturbing new possibilities, including a robbery or home invasion gone wrong.

A former FBI agent says Nancy Guthrie’s Apple Watch data could show possible distress, movement, or a struggle before ...

Former FBI agents, including a hostage negotiator, weigh in on camera footage, ransom notes and other clues as the search for Nancy Guthrie continues.

A neighbor tells 12News the FBI is asking to search people's property to see if something has been placed there.

The FBI on Tuesday released images and videos showing a person outside Nancy Guthrie's front door in Tucson, Arizona, wearing a ski mask and gloves and carrying a backpack and what appears to be a ...

The FBI asked Pima County Sheriff Chris Nanos for physical evidence in the Nancy Guthrie case, including a glove and DNA.

There was a large law enforcement presence near First and Orange Grove late Friday night in connection with the Nancy Guthrie ...

A former FBI agent is discussing what the new surveillance videos released in the Nancy Guthrie case mean for the ...

Nancy Guthrie, 84, was taken against her will from her home on Jan. 31, according to federal authorities ...

Nancy Guthrie, the mother of "Today" show co-host Savannah Guthrie, was reported missing on Feb. 1 and ransom notes were being investigated.

Law enforcement has taken a person in for questioning more than a week after Savannah Guthrie's mother, Nancy Guthrie, disappeared in Arizona.