Pima County Sheriff Chris Nanos shared an update on the investigation of Savannah Guthrie's mother Nancy during an appearance on the "Today" show.

As the search for Nancy Guthrie hits the six-month mark, a new report claims that the Pima County Sheriff’s Department made several mistakes in the early days of the investigation.

Authorities have released two ransom notes in the Nancy Guthrie kidnapping case, with the second note claiming she died shortly after being taken.

"Today" show host Savannah Guthrie has posted a heartbreaking new video to social media as the ongoing search for her missing mother nears the six-month mark. Eighty-four-year-old Nancy Guthrie vanish

Savannah Guthrie's desperate plea reveals her family's six-month agony as Pima County releases ransom notes demanding $4 million in bitcoin.

"Today" show host Savannah Guthrie released a new video on social media Monday, imploring her mother's captor to "do the right thing" and help her family find her. It has been nearly six months since the abduction of 84-year-old Nancy Guthrie,

Savannah Guthrie posted a new message on Instagram about her mother’s abduction almost six months ago, pleading with those who may have information to come forward. “It has been months since our mom was taken from us,