The NYPD on Wednesday issued a rebuttal of a report by the agency’s watchdog undermining the cornerstone of New York City policing for the past 20 years: “broken windows,” the aggressive targeting of minor misbehavior to avert major crime.

Issuing a report titled “Broken Windows Is Not Broken,” the NYPD questioned the methodology and “unsupported conclusions” of Insp. General Philip K. Eure, who found in June that the enforcement of quality-of-life violations like public urination and disorderly conduct isn’t correlated with a drop in felonies.

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In June, NYPD Commissioner William Bratton called the report “useless,” “not needed” and “deeply flawed.”

Bratton, who is leaving his post next week for a job in the private sector, said his decades-long experience beginning in Boston refutes the inspector general’s findings.

“Going back as far as 1978, in the streets of the Fenway, I have seen community complaints about quality of life conditions dominate conversations between the community and the police,” he said in a statement.

The NYPD, which is required by law to reply to the inspector general’s reports, said Wednesday quality-of-life enforcement in minority communities reflects the complaints the NYPD receives and condemned the report, adding it “perpetuates misunderstandings about a police strategy that is critical to the well-being of New York City and has played a central role in creating the safest big city in America.”

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In its own rebuttal to the NYPD’s rebuttal, the inspector general said “that report produced objective statistical evidence that certain specific NYPD strategies do not have a measurable link to a reduction in violent crime. The NYPD, in its response, provides no similar data or analysis to refute this finding.”