Authorities are hoping Nancy Guthrie’s pacemaker may assist them in locating her exact whereabouts as the investigation into ...

DNA tests on a glove found near Nancy Guthrie’s home yielded no matches in a national database. Pima County Sheriff Chris ...

With the search for Nancy Guthrie in its third week, law enforcement is analyzing DNA evidence and looking at her pacemaker for clues.

The Pima County Sheriff's Department previously highlighted the significance of Nancy’s pacemaker in the investigation, ...

The DNA profile was recovered from gloves found during the investigation into the disappearance of Nancy Guthrie in Arizona.

The “ethical hacker” who created the Bluetooth “signal sniffer” being used to try and track Nancy Guthrie’s pacemaker said he ...

The helicopter carrying the device is flying slowly and at a low altitude over the area where investigators are searching.

Investigators searching for Nancy Guthrie, the mother of "Today" show co-host Savannah Guthrie, have uncovered several notable pieces of evidence as they try to identify a suspect.

As the search for Savannah Guthrie's mother, Nancy, continues, a cardiologist explains how pacemakers work and if they can be ...

Information about Nancy Guthrie's pacemaker helped authorities piece together a new timeline in her kidnapping. Can the ...

Unconfirmed media reports say Nancy Guthrie's pacemaker stopped syncing with her Apple devices. Here's what that means.