publication

Crime Prevention Through Intelligence and Information Sharing: An Evaluation of an Information Intervention at the Philadelphia Police Department

“The evidence on the effectiveness of the phones is mixed. On the one hand, it is clear that a year after the phones were deployed, relatively few officers are using their phones regularly. While some officers have taken advantage of the phones to interact with members of the community, perform business checks, make 311 reports to address physical disorder, and pass intelligence reports on to analysts at the city’s Crime Information Centers (CICs), these activities are driven by a small number of enthusiastic adopters rather than broad interest among a large group of patrol officers.”

Crime Prevention Through Intelligence and Information Sharing: An Evaluation of an Information Intervention at the Philadelphia Police Department

Aaron Chalfin, Greg Ridgeway, John MacDonald, Rachel Ryley (July 2022)