Will GPS Cannon Spell The End Of High-Speed Chases?

Police cars in Iowa and Florida are testing a secret weapon: a small cannon embedded in the grill. It shoots "tracking" bullets — containing tiny GPS devices — that can stick to the trunk of a suspect's car. Police could then follow a suspect at a leisurely pace instead of embarking on a dangerous high-speed chase.

Source: http://www.npr.org/2013/10/30/241787233/will-gps-cannon-spell-the-end-of-high-speed-chases?ft=1&f=3
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