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.

Add Yahoo as a preferred source to see more of our stories on Google. The search for Nancy Guthrie is in its eighth day, and investigators are still working around the clock to find her—and to find ...

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 FBI is using advanced bluetooth technology to try to find Nancy Guthrie's pacemaker. Pacemakers emit signals that could provide clues to the whereabouts of the missing 84-year-old. Flying ...

The search for Nancy Guthrie is in its eighth day, and investigators are still working around the clock to find her—and to find the person (or persons) behind her disappearance. Authorities believe ...

Imagine a heart patient with a pacemaker—one of the millions who rely on these tiny, implanted devices to keep their hearts beating steadily. While pacemakers save lives every day, their ability to ...

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 ...

TUCSON, Ariz. (KOLD/Gray News) - As the search for 84-year-old Nancy Guthrie enters its third week, the FBI is employing new technology that could help locate her using signals from her pacemaker. Law ...

The search for Nancy Guthrie has taken a high-tech turn. The Arizona police department is now flying over the Tucson, Ariz., desert with a Bluetooth signal detector, also known as a signal sniffer, in ...

The FBI is deploying Bluetooth "signal sniffer" technology in a bid to detect the pacemaker of Savannah Guthrie's missing mother, Nancy, RadarOnline.com can reveal. According to Fox News, the Pima ...