The story

It's the stuff crime movies are made of: Determined police officers shadowing their suspect as he drives around town, watching and waiting for his next move, always careful not to lose him.

But now, investigators can track a potential bad guy without ever leaving their desks, thanks to the Global Positioning System, or GPS.

The technology is easy to use and the devices are hard to detect. Read full article »

All About Global Positioning SystemsCrime

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