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What Is ‘Signal Sniffer' that Cops Are Using to Find Nancy Guthrie Pacemaker?

Authorities use a Bluetooth detector to trace Nancy Guthrie's pacemaker signal amid ransom demands and multiple detentions, with a $100,000 reward offered for information.

  • The Arizona police department is now flying a Bluetooth signal detector over the Tucson desert to try to detect a pacemaker signal from Nancy Guthrie, 84-year-old missing woman.
  • On Feb. 1, Nancy Guthrie, 84-year-old missing woman, was reported missing when her Nest Cam and pacemaker app went offline as her residence was declared a crime scene.
  • Last week, the FBI released photos and video showing a masked intruder tampering with a home security camera, carrying a bulging backpack and weapon, described as a male about 5-foot-9 to 5-foot-10 with a medium build.
  • So far, investigators have detained at least four people for questioning but reported no breakthrough, while the FBI raised a $100,000 reward for tips in Nancy Guthrie's case.
  • Pima County Sheriff Chris Nanos said the search could take `years` but pledged not to give up, while Savannah Guthrie and her siblings posted tearful Instagram videos pleading for their mother’s safe return.
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  • 45% of the sources are Center, 44% of the sources lean Right
45% Center

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Times of India broke the news in India on Sunday, February 15, 2026.
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