Could 'Signal Sniffer' help crack the Nancy Guthrie case? Here's what we know about the rare technology
Published on: Feb. 15, 2026, 6:52 p.m. | Source: Indiatimes
Authorities are intensifying the search for 84-year-old Nancy Guthrie, mother of NBC’s Savannah Guthrie, after her disappearance in Tucson. A multi-agency investigation is underway, using public tips, forensic analysis, and advanced digital tools like the so-called “Signal Sniffer.” Her pacemaker and devices stopped syncing, raising concerns and prompting high-tech tracking efforts.
