Information about Nancy Guthrie's pacemaker helped authorities piece together a new timeline in her kidnapping. Can the ...
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 ...
Unconfirmed media reports say Nancy Guthrie's pacemaker stopped syncing with her Apple devices. Here's what that means.
Pacemaker tracking technology used in Nancy Guthrie case reveals how medical devices become surveillance tools for law enforcement investigations.
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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.
One part of the investigation into the disappearance of "Today" show host Savannah Guthrie's mother focuses on the missing woman's implanted medical device.
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 ...
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