Publisher's Synopsis
Information-sharing became a central element of the policy debate about U.S. homeland and national security after the September 11, 2001, terrorist attacks. However, sharing of information across jurisdictional lines is just as important for everyday criminal justice efforts to prevent and investigate crime, and systems to provide such capabilities have been in place for many years. Despite widespread belief that information-sharing is valuable, there have been relatively limited efforts to measure its effect on criminal justice outcomes. To help address this need, we examined the measurement of information-sharing effects from the strategic to the tactical levels, with a focus on developing reliable measurements that capture the range of ways sharing can affect outcomes and how the practicalities of law enforcement work practices can affect measurement. In collaboration with an advanced regional information-sharing agency, we developed