“So what ended crime as it was known in New York? Jack Maple said it wasn’t about literally fixing broken windows. “Rapists and killers,” he wrote, “don’t head for another town when they see that graffiti is disappearing from the subway.” Incarceration wasn’t the deciding factor either, at least in New York; murders took a quick dive once Compstat was in place, but other crimes continued down the same trend line that had started under Dinkins. Something else was happening. The changes in the NYPD had a profound impact, but they were meeting a unique confluence of conditions. First,”