An interactive map that allows you view stop and frisk statistics block by block. 

The New York Times 

Stop, Question and Frisk in New York Neighborhoods

New York City’s police force, in its fight against crime, has increasingly used a strategy known as “stop, question and frisk,” which allows officers to stop someone based on a reasonable suspicion of crime. One expert has estimated New Yorkers are stopped at twice the national rate. The impact on crime is much debated, and critics contend disproportionate stopping of minorities is a result of racial profiling, which police officials dispute.  - The New York Times

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Also, read the accompanying article and watch the video below on NYPD, stop and frisk tactics at work in Brownsville Brooklyn.