
#91 (Peter Moskos)
Jan 29, 2026
Peter Moskos, a former Baltimore patrol officer turned John Jay professor and author, shares stories from policing and research. He discusses New York's dramatic crime drop, Comstat and organizational change under William Bratton, the evolution of broken windows and public order strategies, and the challenges of writing about policing in a polarized academic climate.
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Harvard Researcher Became A Street Cop
- Peter Moskos joined the Baltimore Police Department as part of his Harvard PhD research and worked 6 months in the academy and 14 months on the street.
- He left once he gained civil service protection to avoid being trapped into a long-term police career.
Mission And Metrics Drove The NYPD Drop
- The NYPD crime drop was driven by focused organizational change and political support, not by improving poverty or unemployment.
- Bill Bratton set a clear mission to reduce crime and public disorder and demanded measurable results.
Accountability, Not High-Tech, Changed Policing
- Comstat introduced routine problem-solving and timely crime mapping that made commanders accountable.
- The tech was simple, but mapping and asking the same accountability questions weekly changed behavior.









