E900 - FBI Using "Signal Sniffer" to Try to Track Nancy Guthrie & Now a 4th Demand Letter
Published: February 17, 2026
Duration: 1:27:37
Nancy Guthrie Missing escalates again as the FBI reportedly deploys a “signal sniffer” in an effort to track digital activity tied to the case — while a fourth demand letter surfaces. In the ongoing Nancy Guthrie Missing investigation, authorities in Tucson, Arizona are intensifying efforts to trace electronic signals, analyze ransom communications, and identify the person responsible for taking Nancy Guthrie. This breaking news adds a new layer of urgency as federal agents and the sheriff coordinate advanced technology and forensic strategy.
In this STS Podcast episode, we break down how a signal sniffer works, what investigators may be loo...