Add Yahoo as a preferred source to see more of our stories on Google. Investigators are using a tracking device called a "signal sniffer" that can detect signals emitted from electronic devices as the ...

(NewsNation) — Investigators are using a signal sniffer device in the search for Nancy Guthrie, in hopes of detecting a signal from her pacemaker. Guthrie’s pacemaker disconnected from her phone in ...

Authorities are attempting to use the device to detect the signal on Nancy's pacemaker over two weeks after she was reported missing Savannah Guthrie/Instagram Nancy Guthrie was reported missing on ...

Your WiFi router can now "see" you through walls. And you'd never know it's happening. Researchers at Carnegie Mellon University developed technology that can track people's movements indoors using ...

Authorities searching for Nancy Guthrie are deploying a piece of specialized tracking technology — commonly referred to as a “signal sniffer” — in an effort to detect emissions from her implanted ...

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A device to detect emissions 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 CBS News. The ...

A US jet known as the 'nuke sniffer' has made an emergency landing in the UK. The plane, a USAF WC-135R Constant Phoenix, is used to pick up radioactive particles in the air. It dotted down at at RAF ...

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 ...

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 ...

Savannah Guthrie is reportedly considering leaving her role as host of NBC's flagship program, the Today show, as the massive search for her mother, Nancy, enters its second week. Nancy, 84, vanished ...