The mystery surrounding Nancy Guthrie’s disappearance has taken another unsettling turn. More than 16 weeks after the 84-year-old vanished from her Tucson home, a former FBI agent is offering several ...

Ex-FBI agent Jennifer Coffindaffer gave four theories behind the baffling abduction of Nancy Guthrie.

Referring to his detectives and the FBI, Pima County Sheriff Chris Nanos told PEOPLE, “If they need the family for anything, they get in touch with them and the family. It works both ways" ...

Guthrie has officially been missing since February 1. Authorities continue investigating Nancy Guthrie's disappearance since February 1 in Tucson, Arizona. Family has asked close friends to remain ...

TUCSON, Ariz. — Nancy Guthrie's family members have been cleared as suspects in the investigation into her disappearance, according to Pima County Sheriff Chris Nanos. "To be clear…the Guthrie family ...

Nancy Guthrie, the 84-year-old mother of Today co-host Savannah Guthrie, is still missing. It has been 17 days since anyone has seen the octogenarian. The longer she remains missing, the less likely ...

The father of JonBenét Ramsey has an important message for the Guthrie family.

Nancy Guthrie's home "has been processed and has been available" to her family since the first week she vanished, though authorities have returned to the house for further investigation, the Pima ...

TUCSON, Ariz. (KVOA) - The search for Nancy Guthrie has entered its fourth week, and her family has announced a $1 million reward for information leading to her return. In a heartfelt video posted on ...

On Feb. 24, Savannah Guthrie announced a family reward of up to $1 million for any information leading to Nancy's recovery Nathan Congleton/NBC via Getty PEOPLE has learned why Savannah Guthrie and ...