Can Nancy Guthrie’s Pacemaker Offer Clues About Her Disappearance?

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

Does Nancy Guthrie have a pacemaker and could it help find her?

Unconfirmed media reports say Nancy Guthrie's pacemaker stopped syncing with her Apple devices. Here's what that means.
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How is a signal sniffer being used in Nancy Guthrie search?

Investigators are using signal sniffer to try to detect Nancy Guthrie's pacemaker.

Nancy Guthrie Kidnapping Shows Limits of Tracking Pacemakers in Police Work

The heart devices do not track location, nor do they transmit across large distances. Like an estimated three million Americans, Nancy Guthrie, the 84-year-old mother of the NBC News anchor Savannah ...

Can pacemakers be tracked during an investigation?

One part of the investigation into the disappearance of "Today" show host Savannah Guthrie's mother focuses on the missing ...

Nancy Guthrie’s 2 a.m. pacemaker ping could point to heart rate-spiking struggle, lead cardiologist says

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 ...

Savannah Guthrie’s mom Nancy’s pacemaker stopped syncing with her Apple Watch as disappearance timeline develops

A law enforcement source told Fox News Digital that the 84-year-old's pacemaker last synced with her Apple devices around 2 a ...