It’s been 16 days since Nancy Guthrie was reported missing, and investigators working the case that has captivated the nation’s attention are encountering a unique mix of challenges.

Authorities investigating the disappearance of Nancy Guthrie carried out overnight SWAT operations that resulted in multiple arrests. The post Overnight SWAT raids lead to arrests in Nancy Guthrie ...

Nancy Guthrie, the 84-year-old mother of "TODAY" co-anchor Savannah Guthrie was last seen Jan. 31 when she was dropped off at her home in the Tucson, Arizona.

More than two weeks after 84-year-old Nancy Guthrie disappeared in Tucson, investigators are probing a possible botched ...

The Pima County Sheriff's Department blocked a residential street near Nancy Guthrie's home to conduct an investigation related to the case.

Investigators told the Associated Press Sunday they’d found the item lying in a field near a road not far from Nancy ...

FBI investigators believe Nancy Guthrie's abduction was a botched burglary, not a planned kidnapping, as DNA from a suspect's ...

The discovery was revealed days after investigators had released surveillance videos of the masked person outside Nancy ...

Savannah Guthrie issued a new plea on Feb. 15 for the safe return of her 84-year-old mother, Nancy, as the suspected ...

FBI shares new suspect details and raises reward to $100K in the suspected kidnapping of Savannah Guthrie's mother, Nancy Guthrie, in Tucson, Arizona ...

The Arizona sheriff leading the search for missing Nancy Guthrie has dismissed claims that the elderly matriarch’s disappearance was the result of a burglary gone bad. “This is somebody who ...

More than two weeks have passed since Nancy Guthrie disappeared.