Monday, September 28, 2015

Predictive policing: Forecasting crime through data mining

The use of computer models by local law enforcement agencies to forecast crime is part of a larger trend by governments and corporations that are increasingly turning to predictive analytics and data mining in looking at behaviors. Typically financed by the federal government, the strategy is being used by dozens of police departments — including Los Angeles, Miami and Nashville — and district attorneys’ offices in Manhattan and Philadelphia.
But researchers working with the police to develop the predictive algorithms say that they can come closer than traditional detective work to figuring out who is most apt to break the law. They say criminals commit violent crimes in fairly distinctive patterns and often have similar attributes. Those include previous arrests; unemployment; an unstable home life; friends and relatives who have been killed, are in prison or have gang ties; and problems with drugs or alcohol.
 
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