http://www.northwestern.edu/ipr/publications/policing.html
"For the past decade, IPR researchers have been evaluating Chicago's Alternative Policing Strategy (CAPS), the nation's most ambitious experiment in community policing. CAPS was unveiled in April 1993 in five prototype police districts and went citywide a year later. "
Links to all reports - latest:
"CAPS at Ten: Community Policing in Chicago - An Evaluation of Chicago's Alternative Policing Strategy"
PDF - http://www.northwestern.edu/ipr/publications/policing_papers/Yr10-CAPSeval.pdf