Compstat

Rowling joined the police department as an officer in 1993 and has since worked as a lieutenant in the Gresham District and as a sergeant in both Management and Labor Affairs and CompStat.

It’s the lowest total of crimes for any January since the CompStat program started tracking the numbers in 1995.

Over time, senior members of her office became a less-frequent presence at CompStat and other meetings with law-enforcement partners.

Again, though, he used CompStat as a primary vehicle in reforming the NYPD.

CompStat has plenty of detractors, too, who say it helped fuel the stop, question, and frisk harassment of hundreds of thousands of black and brown New Yorkers.