Investigators searching for Nancy Guthrie are "looking into" video showing a car passing by her neighbor's home shortly after she disappeared, the sheriff leading the search has said, adding that he ...

An expert tells PEOPLE why pacemakers have Bluetooth technology, and how it can help locate Savannah Guthrie’s missing mother Nathan Congleton/NBCU Photo Bank/NBCUniversal via Getty The Bluetooth ...

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 ...

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 ...

DENVER (KDVR) — One part of the investigation into the disappearance of “Today” show host Savannah Guthrie’s mother focuses on the missing woman’s implanted medical device. Investigators found Nancy ...

The heart devices do not track location, nor do they transmit across large distances. By Gina Kolata Like an estimated three million Americans, Nancy Guthrie, the 84-year-old mother of the NBC News ...

On Tuesday, Feb. 3, a law enforcement source told Fox News Digital that Nancy's pacemaker last synced with her Apple devices roughly 2 a.m. on Sunday, Feb. 1. Investigators said they believe that's ...

Pima County Sheriff Chris Nanos provided the public with updates on Tuesday, February 3, regarding the disappearance of Savannah Guthrie’s mom, Nancy Guthrie, including the report that her pacemaker ...

Savannah Guthrie’s mom Nancy Guthrie‘s pacemaker stopped syncing with her Apple Watch early Sunday when she disappeared. A law enforcement source told Fox News Digital that the 84-year-old’s pacemaker ...

The search for Nancy Guthrie grew more concerning after investigators learned that her pacemaker stopped syncing with her Apple devices in the early hours of Sunday. A law enforcement source told Fox ...