In the mid-1990s, the NYPD created a performance management strategy known as Compstat. It consisted of computerized data, crime analysis, and advanced crime mapping coupled with middle management accountability and crime strategy meetings with high-ranking decision makers. While initially credited with a dramatic reduction in crime, questions quickly arose as to the reliability of the data. This volume brings together the work of two criminologists? "one a former NYPD captain? "who present the first in-depth empirical analysis of this management system? "exposing the truth about crime statistic? 's manipulation in the NYPD and the repercussions suffered by crime victims and those who blew the whistle on this corrupt practice.