Add Yahoo as a preferred source to see more of our stories on Google. Investigators are using a tracking device called a "signal sniffer" that can detect signals emitted from electronic devices as the ...
Add Yahoo as a preferred source to see more of our stories on Google. Investigators in Nancy Guthrie's disappearance are using a device called a "signal sniffer" to try to detect transmissions from ...
TUCSON, Ariz. (KOLD/Gray News) - As the search for 84-year-old Nancy Guthrie enters its third week, the FBI is employing new technology that could help locate her using signals from her pacemaker. Law ...
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