Investigators searching for Nancy Guthrie are deploying advanced signal-detection technology as the case enters its third week. The device, known as a “signal sniffer,” is designed to locate ...

The search for "Today" anchor Savannah Guthrie's mom Nancy is in its third week as investigators follow every possible lead ...

With the search for Nancy Guthrie in its third week, law enforcement is analyzing DNA evidence and looking at her pacemaker ...

Pacemaker tracking technology used in Nancy Guthrie case reveals how medical devices become surveillance tools for law ...

Pacemaker tracking technology used in Nancy Guthrie case reveals how medical devices become surveillance tools for law enforcement investigations.

The search for "Today" anchor Savannah Guthrie's mom Nancy is in its third week as investigators follow every possible lead in the case.

The search for "Today" anchor Savannah Guthrie's mom Nancy is in its third week as investigators follow every possible lead in the case.

Balance athletic goals with arrhythmia risk: match the device model and sensor to the sport, and use stress testing to set detection zones and avoid inappropriate therapy.

iData Research: Global Cardiac Rhythm Management market to hit $36B by 2032. Leadless pacing and pulsed field ablation lead the industry.

A Chulalongkorn University team has given a fainting eight-year-old cat a new lease of life in a procedure that signals Thailand's arrival on the global veterinary stage ...

David Kennedy, a former NSA hacker and inventor of the signal sniffer being used in the investigation, told CBS News that ...

On Feb. 3, two days after Nancy Guthrie disappeared, a Pima County helicopter was flying low to the ground, just above ...