Every time tech is used to fight crime, however, the bad guys just get better gear. The only crime-fighter who manages to always have the better gadget is Batman. GPS jammers or cell phone blocker is another kind of outcome of tech. Now car thieves are using GPS jammers to blot out the satellite signals that some antitheft services use to locate stolen automobiles.


It’s not hard to do, either. A quick Google Shopping search for GPS blockers shows models on sale for under $30. They don’t ...
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