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, ...

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 ...

As the search for "Today Show" host Savannah Guthrie's mother, Nancy, enters its third week, new evidence in the form of a glove was found near her home. The family has been ruled out as suspects in ...

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 ...

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 ...

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 ...

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 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 ...

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 ...

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 ...

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 ...

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 ...