A growing number of cities are using surveillance cameras to  reduce  crime, but little research exists to determine whether they’re worth the   cost. With jurisdictions across the country tightening their belts,  public  safety resources are scarce—and policymakers need to know which  potential  investments are likely to bear fruit. This research brief  summarizes the Urban  Institute’s series documenting three cities use of  public surveillance cameras  and how they impacted crime in their  neighborhoods.
> http://www.urban.org/publications/412401.html 
> http://homelandsecuritynewswire.com/study-shows-surveillance-cameras-reduce-crime-some-cases
 
 
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