As the search for Nancy Guthrie enters its third week, the high-tech tool known as the ‘signal sniffer’ emerges as a central ...
A device that can pick up certain electronic signals is being used in the search for Nancy Guthrie, as it may detect ...
The Pima County Sheriff's Department previously highlighted the significance of Nancy’s pacemaker in the investigation, ...
Authorities are hoping Nancy Guthrie’s pacemaker may assist them in locating her exact whereabouts as the investigation into ...
On Feb. 3, two days after Nancy Guthrie disappeared, a Pima County helicopter was flying low to the ground, just above ...
Information about Nancy Guthrie's pacemaker helped authorities piece together a new timeline in her kidnapping. Can the ...
The Pima County Sheriff’s Department said Tuesday that DNA evidence gathered from a pair of gloves found near Nancy Guthrie’s ...
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.
The FBI is deploying Bluetooth "signal sniffer" technology in a bid to detect the pacemaker of Savannah Guthrie's missing ...
Unconfirmed media reports say Nancy Guthrie's pacemaker stopped syncing with her Apple devices. Here's what that means.
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