The Federal Bureau of Investigation is employing advanced "signal sniffer" technology in the ongoing search for Nancy Guthrie, who has been missing for over two weeks. This innovative approach aims to locate Guthrie by detecting signals emitted from her pacemaker, potentially providing a crucial breakthrough in the case.
Key Takeaways
- The FBI is using a "signal sniffer" device to detect Bluetooth signals from Nancy Guthrie’s pacemaker.
- This technology uses an amplifier and a directional antenna to identify the unique MAC address of the pacemaker.
- Experts believe this could be a turning point in narrowing down the timeline and location of her disappearance.
- Drones equipped with the technology are being developed for wider area searches.
Innovative Pacemaker Tracking
Law enforcement is utilizing a device known as a "signal sniffer," which functions by amplifying and scanning for Bluetooth signals. The technology is designed to lock onto the unique MAC address of Nancy Guthrie’s pacemaker. Morgan Wright, CEO and founder of the National Center for Open and Unsolved Cases, explained that the process is akin to searching for a specific device’s connection request, but on a much larger scale.
Enhancing Search Capabilities
While the FBI has been attaching the "signal sniffer" to low-flying helicopters, Wright suggests that drones might offer a more effective solution. He and cybersecurity expert Dave Kennedy have developed a drone-based version of the device. This allows for programmed search grids, potentially covering vast areas with multiple drones. The drone-mounted device boasts a detection range of approximately 1,000 feet, described as using a "bigger magnet" to find the "needle in the haystack."
Pacemaker Data as an Unbiased Witness
Wright highlighted the potential of pacemaker telemetry data, calling it the "most unbiased witness" due to its consistent data transmission. He believes this technology could be a pivotal element in determining the timeline of Guthrie’s disappearance and her possible whereabouts. The FBI has the prototype and is expected to begin using the drone-equipped technology in the coming days.
Ongoing Investigation Details
Investigators are also pursuing leads related to a distinctive backpack worn by a suspect seen on surveillance footage outside Guthrie’s home on the night she vanished. This backpack is exclusively sold at Walmart. The suspect, described as a male approximately 5 feet 9 inches tall with a medium build, was also seen wearing a ski mask, long pants, a jacket, and gloves. The FBI has increased its reward for information leading to Guthrie’s location.
Sources
- FBI using ‘signal sniffer’ technology to search for Nancy Guthrie’s pacemaker, KOLD.
- FBI using ‘signal sniffer’ technology to search for Nancy Guthrie’s pacemaker, Fox 10 News.
- Investigators using cutting-edge technology in search for Nancy Guthrie’s kidnapper, CBS News.
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