Knowing More, But Accomplishing What? Developing Approaches to Measure the Effects of Information-Sharing on Criminal Justice Outcomes
"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 techniques to examine
the effects of multiple types of data-sharing at the officer, case, and
offender levels. Analyses showed significant correlations between
different types of sharing on the level of interagency involvement in
cases for individual offenders, on the timing and likelihood of specific
law enforcement events, and on the likelihood of individual police
officers to be involved in cross-jurisdictional arrests. In addition, we
explored lessons for future policy evaluation and information system
design to facilitate measurement."
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