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Campbell Collabaration
Study shows CCTVs have almost no effect on crime rate
May 29, 2009
Serkan Toto
<img src="http://www.crunchgear.com/wp-content/uploads/2009/05/cctv.jpg" /> The UK has the world's highest density of CCTVs, which are mainly used as tools to fight crime. But now an "international r