Investigators may have discovered an alternative way to find Nancy Guthrie. The mother of three is still missing, with thousands of potential leads being looked at. She is 84 and said to be in need of ...

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 ...

As the search for Nancy Guthrie continues, authorities are exploring innovative methods to locate her. Dr. Laurence Epstein, System Director of Electrophysiology at Northwell Health, provided insights ...

Before his leadless pacemaker, Ben Cairns would tire easily and often feel unwell in the mornings due to a slow heart rate that even exercise would not quicken. For adults, a normal resting heart rate ...

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 ...

Data from Nancy Guthrie's pacemaker has helped shed light on the events leading up to her kidnapping, but there are significant limits in how much data the devices can collect. Most importantly for ...