Jukin' the stats - just like in The Wire.

Or what we non-law enforcement types call lying.

Straight from Radley Balko and Ex-New York Police Officials Question Crime Data Integrity - NYTimes.com:

"More than a hundred retired New York Police Department captains and higher-ranking officers said in a survey that the intense pressure to produce annual crime reductions led some supervisors and precinct commanders to manipulate crime statistics, according to two criminologists studying the department.

The retired members of the force reported that they were aware over the years of instances of “ethically inappropriate” changes to complaints of crimes in the seven categories measured by the department’s signature CompStat program, according to a summary of the results of the survey and interviews with the researchers who conducted it."