Investigators are using a tracking device called a "signal sniffer" that can detect signals emitted from electronic devices as the search for Nancy Guthrie continues in its third week. David Kennedy, ...

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 ...

Emily Mae Czachor is a reporter and news editor at CBSNews.com. She typically covers breaking news, extreme weather and issues involving social justice. Emily Mae previously wrote for outlets like the ...

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 ...

Authorities are using a "signal sniffer" as the search for Nancy Guthrie enters its third week, according to reports. The tracking tool has been attached to a helicopter in an attempt to detect ...

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 ...

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 ...

(NewsNation) — Authorities have used a device known as a “signal sniffer” mounted on a helicopter in an attempt to detect Nancy Guthrie’s pacemaker as the search for the missing 84-year-old continues, ...

US authorities searching for Nancy Guthrie, the 84-year-old mother of NBC Today show co-host Savannah Guthrie, have turned to an unusual piece of technology in hopes of locating her – a ‘signal ...

(MENAFN- Live Mint) 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 ...

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 ...