This document is meant to serve as a tool for police professionals to measure important facets related to the police function. This list is by no means exhaustive and should be considered a list that is evolving as the field advances. This document covers a wide variety of topics and it should not be implied that a "successful" department must implement all these measures. Users should consider the items that will prove to be the most helpful and beneficial to their department. This is part of the Nationwide Crime Analysis Capability Project.