Unconfirmed media reports say Nancy Guthrie's pacemaker stopped syncing with her Apple devices. Here's what that means.
As the search for Savannah Guthrie's mother, Nancy, continues, a cardiologist explains how pacemakers work and if they can be ...
An expert tells PEOPLE why pacemakers have Bluetooth technology, and how it can help locate Savannah Guthrie’s missing mother ...
Information about Nancy Guthrie's pacemaker helped authorities piece together a new timeline in her kidnapping. Can the devices track you?
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Your body is a tracking device: How a pacemaker became the biggest clue in the Nancy Guthrie case
Pacemaker tracking technology used in Nancy Guthrie case reveals how medical devices become surveillance tools for law enforcement investigations.
A “signal sniffer” is not a GPS tracker — it is a radio-frequency detection tool. While pacemakers are not designed to reveal a person’s location, investigators appear to be exploring whether any ...
A device that can pick up certain electronic signals is being used in the search for Nancy Guthrie, as it may detect emissions from her pacemaker, sources told CBS News.
The FBI is using "sophisticated" technology to try to locate Nancy Guthrie's pacemaker, as the search for the mother of US TV host Savannah Guthrie enters its third week.
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