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Images from Nancy Guthrie's doorbell camera showing a suspect in her abduction suggest the suspect came to Guthrie's Tucson home at least twice. A law enforcement source acknowledged differences in the images -- in one, the suspect is wearing a ...

As the search for Nancy Guthrie enters its fourth week, volunteers are joining search teams in canvassing the missing 84-year-old's Tucson neighborhood. NBC's Liz Kreutz reports for TODAY.

No one knows what happened. That explains what's unfolding just north of Tucson.

Nancy Guthrie, 84, has been missing for a month. Her family pleads for help as detectives and FBI agents investigate her kidnapping in Tucson, Arizona.

The Pima County Sheriff's Department in Tucson, Arizona, has once again faced public backlash for telling volunteer search groups to let investigators do their job.

In a new interview with NBC News' Erin McLaughlin, Pima County Sheriff Chris Nanos in Arizona said that authorities' investigation into the disappearance of Nancy Guthrie is "still growing" three weeks after she vanished from her home in Tucson.

An anonymous couple found what could br possible evidence in disappearance of Nancy Gutherie, an 84-year-old Arizona woman who has been missing for weeks. On February 11, the couple had been at Campbell Avenue in the Catalina Foothills of Tucson, ...

Two Tucson ex-cons face online scrutiny in Nancy Guthrie case despite no official accusations. Luke Daley detained in SWAT raid, released without charges.

Guthrie family friend and Tucson radio host Bill Buckmaster says the disappearance of Nancy has been a "living nightmare" for the Arizona community. He also talks about working with Savannah in her early days of journalism and his hopes for the ...

Police are not rulilng out the possibility that multiple people helped kidnap Nancy Guthrie, who has been was last seen at her home in Tucson, Arizona, on January 31.