Security Alert: Cell Phone Jammers

Quebec Officers Stranded with Two Suspects and Dead Radios

...Quebec City police officers had stopped a car whose occupants they believed were connected with organized crime. When they approached the car, they saw "a suspicious device" on its door, police sources said.

The suspects told police they bought the "jammer" -- which sends out a powerful radio signal that makes it impossible for phones within a 10-metre radius to communicate with cell towers -- on eBay.
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Source: Ottawa Sun

Note: Not very comforting, when you consider how many of us feel "safer" for having our cell phones within reach at all times.