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Police searching a database

At a conference in New Orleans in 2007, Jon Greiner, then the chief of police in Ogden, Utah, heard a presentation by the New York City Police Department about a sophisticated new data hub called a “real time crime center.” Reams of information rendered in red and green splotches, dotted lines, and tiny yellow icons appeared as overlays on an interactive map of New York City: Murders. Shootings. Road closures. You could see the routes of planes landing at LaGuardia and the schedules of container ships arriving at the mouth of the Hudson River. 

In the early 1990s, the NYPD had pioneered a system called CompStat that aimed to discern patterns in crime data, since widely adopted by large police departments around the country. With the real time crime center, the idea was to go a step further: What if dispatchers could use the department’s vast trove of data to inform the police response to incidents as they occurred?

Back in Ogden, population 82,702, the main problem on Greiner’s mind was a stubbornly high rate of vehicle burglaries... see more