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Authorities searching for 84-year-old Nancy Guthrie in Arizona are turning to new and unconventional methods in early February's hunt for answers, the data from her heart pacemaker, which ...

As the search for Nancy Guthrie continues, authorities are exploring innovative methods to locate her. Dr. Laurence Epstein, System Director of Electrophysiology at Northwell Health, provided insights ...

P RINTED ON TREADMILLS and exercise bikes in gyms around the world is a simple method for estimating the maximum rate at ...

Nancy Guthrie's disappearance has transfixed the nation, journalists, and true crime sleuths. Much remains unknown about the ...

An expert tells PEOPLE why pacemakers have Bluetooth technology, and how it can help locate Savannah Guthrie’s missing mother Nathan Congleton/NBCU Photo Bank/NBCUniversal via Getty The Bluetooth ...

Add Yahoo as a preferred source to see more of our stories on Google. As people follow Nancy Guthrie's disappearance, people are wondering how investigators are using her pacemaker to find her.

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 ...

The “ethical hacker” who created the Bluetooth “signal sniffer” being used to try to track Nancy Guthrie’s pacemaker said he created the high-tech tool specifically for the search for the missing ...

A device that could detect signals emitted from Nancy Guthrie's pacemaker is among the tools investigators are using as their search for her continues into its third week, law enforcement sources told ...

They’re searching for Nancy Guthrie’s heartbeat. Cops are flying over the Tucson desert with a high-tech Bluetooth signal detector, also known as a signal sniffer, in an attempt to locate a signal ...

Authorities deploy bluetooth 'signal sniffer' in search of Nancy Guthrie's pacemaker Fox News correspondent Alicia Acuna reports the latest developments in the disappearance of Nancy Guthrie as the ...