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Differences between high and low performing police agencies in clearing robberies, aggravated assaults, and burglaries
Findings from an eight-agency case study
Lum, C., Wellford, C., Scott, T. L., Vovak, H., Scherer, J., & Goodier, M. (2023). Differences between high and low performing police agencies in clearing robberies, aggravated assaults, and burglaries: Findings from an eight-agency case study. Police Quarterly. Advance online publication. https://doi.org/10.1177/10986111231182728
This eight-agency case study analyzes the characteristics of four high-and four low-performing police agencies, as measured by their long-term crime clearance rates. High and low performers were identified through a systematic assessment of 30 years of clearance rates of robberies, aggravated assaults, burglaries, and homicides for the largest 100 police departments in the United States. Researchers then conducted in-depth case studies of eight of these agencies—four of the highest and four of the lowest ranking in terms of their investigative practices. Comparisons of high-and low-performing agencies reveal differences in organizational structure; leadership and resources; selection, training, and performance review for investigators; case assignment and investigative processes; and community interactions. These findings provide direct guidance to agencies seeking to strengthen their investigative organization and practices.
