District-level, real-time crime centers can help police cut crime levels

December 04, 2019

District-level police crime centers that use technology such as remote cameras and analytic tools to support commanders' strategic decision making may be able to help reduce crime, according to a new RAND Corporation report.

Examining strategic decision support centers used by police in Chicago, researchers found that the approach was associated with statistically significant reductions in some types of crimes, including robberies and burglaries.

The analysis found that the Chicago strategic decision support centers enabled novel responses to crime incidents and crime problems that were not previously possible. However, researchers found there are substantial risks to the long-term support of the centers and identified several areas where improvement is needed.

"We found evidence that strategic decision support centers are supporting much higher levels of awareness by police -- and rapid decision-making using that awareness -- than had been present previously," said John S. Hollywood, lead author of the study and a senior operations researcher at RAND, a nonprofit research organization.

"Prior to the opening of the centers, commanders we interviewed described making decisions largely ad-hoc, based on whatever they heard about," Hollywood said. "Once the centers were in place, command decisions were much more structured and data-driven."

The Chicago strategic decision support centers, launched in 2017, occupy small conference rooms and are staffed with three staff members, including one supervisor who is a sworn officer and one civilian crime analyst.

A bank of display screens provides information from sensors that can detect gunshots, feeds from the city's surveillance cameras and details from predictive policing software that identifies places at higher risk of crimes. Officers in each district are provided smartphones that include an app that provides key information, such as individuals to be on the lookout for.

RAND researchers evaluated the influence of the centers on crime levels by reviewing performance in police districts both before and after the centers were established, and comparing those changes to crime levels in other police districts in the city during the same time.

The analysis found that the centers were successful in their principal objective of reducing crime. Estimated crime reductions varied between 3% and 17% for the 10 categories of crime examined, including shootings and sexual assault.

Researchers found that the major challenge facing the Chicago strategic decision support centers is ensuring their long-term sustainability.

Part of that concern can be met by improving operating procedures and staff training. In addition, sustainability efforts should include making planning and budgeting for the centers a part of the police department's routine budgeting process.

The report also recommends expanding the scope of the centers from primarily reacting to crime in patrol operations to take a greater role in support of crime investigations.

The Chicago Police Department has begun taking action on the recommendations, including creation of a new oversight panel for the strategic decision support centers and a more-detailed set of departmental directives to guide center operations, along with ongoing development of supporting technologies.
Funding for the study was provided by the federal Bureau of Justice Assistance. The report, "Real-Time Crime Centers in Chicago: Evaluation of the Chicago Police Department's Strategic Decision Support Centers," is available at http://www.rand.org.

Other authors of the study are Kenneth N. McKay of the University of Waterloo, and Dulani Woods and Denis Agniel of RAND.

The RAND Justice Policy Program conducts research across the criminal and civil justice system on issues such as public safety, effective policing, drug policy and enforcement, corrections policy, court reform and insurance regulation.

RAND Corporation

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