A cybersecurity expert explains why new doorbell footage in the Nancy Guthrie case may reveal critical clues about the suspect.

The FBI on Tuesday released new surveillance videos and photos from the night Nancy Guthrie, the 84-year-old mother of Today ...

Video from a camera sold by Google probably sat in one of the its vast data centers. Nancy Guthrie did not have a ...

Authorities investigating the Nancy Guthrie case issued an odd request for members of the press who were gathered outside her home in Arizona on Tuesday.

Follow for live updates on the search for Nancy Guthrie, the mother of “Today” host Savannah Guthrie, which has entered its ninth day.

Sturla Holm Lægreid won bronze in the men’s 20km individual event and then spoke straight to the camera. Lægreid told viewers ...

Visual analysis of footage released by the FBI in the case of the disappearance of "Today" host Savannah Guthrie's mom Nancy Guthrie reveals new clues ...

Follow live updates as the search for Nancy Guthrie, mother of "TODAY" show co-anchor Savannah Guthrie, continues into its second week.

Amazon unveiled a new tracking system at a time when Americans are debating the value of persistent surveillance.

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

The search for Savannah Guthrie's missing mother Nancy Guthrie continues as authorities are set to release a photo of a possible subject in the case.