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, ...

Guthrie’s pacemaker disconnected from her phone in the hours before she was reported missing on Feb. 1, and law enforcement officers have deployed the signal sniffer as the search has entered a third ...

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. (13 News) - As the disappearance of Nancy Guthrie enters its third week, the FBI is using new technology that could help locate her using signals from her pacemaker. Law enforcement is ...

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 ...

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 ...

(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, ...

Oil- and gas-producing regions in the continental United States are giving off up to five times more methane than the companies extracting them are reporting to government regulators 1. The finding ...

Wireshark is a desktop application designed for capturing and analyzing network traffic on Windows systems. It allows users to observe data packets as they travel across networks, providing detailed ...