A device that can pick up certain electronic signals is being used in the search for Nancy Guthrie, as it may detect ...

As the investigation into Nancy Guthrie’s disappearance stretches into its third week, authorities are hopeful that her pacemaker may provide critical information regarding her whereabouts. The Pima ...

The "signal sniffer" being used in the Nancy Guthrie investigation was mounted on a helicopter on Monday.

In a bombshell revelation, Savannah Guthrie's missing mother Nancy's pacemaker could possibly be the key to finding the 84-year-old, RadarOnline. comcan reveal.

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.

The 84-year-old's pacemaker was disconnected from the app on her phone the night she went missing just before 2:30 a.m.

The sheriff’s office said they ruled out Guthrie’s three adult children and their spouses as suspects.

The Pima County Sheriff's Department previously highlighted the significance of Nancy’s pacemaker in the investigation, revealing additional details about its role in an approximate timeline of her la ...

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

Nancy Guthrie’s 2 a.m. pacemaker spike on the day she vanished could mean that the elderly woman was involved in a heart rate ...