Newly released video of a masked person on Nancy Guthrie’s doorstep in Arizona may contain leads that help investigators find her, policing experts said.
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Video in investigation into Nancy Guthrie’s abduction raises questions about surveillance technology
Investigators have found surveillance footage of an armed, masked person at Nancy Guthrie's doorstep on the night she ...
Amazon unveiled a new tracking system at a time when Americans are debating the value of persistent surveillance.
LANSING, Mich. – Michigan’s National All-Domain Warfighting Center, or NADWC, was designated by the U.S. Department of War as ...
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