Officer Peter Liang was accused of shooting Gurley in the stairwell of the Pink Houses.
Police from the 84th Precinct took two weeks off patrol after Dets. Liu and Ramos were shot to death.
Police say local residents in Boerum Hill are inviting burglars into homes by leaving doors unlocked.
Ronald Gonzalez, 41, was arrested for DWI in the downtown Brooklyn area, police said.
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