Ratcliffe's random ramblings

The cited study is Nazzari, M., Calaresu, M. & Triventi, M. No sales after midnight: evaluating the impact of a business curfew on drug-related crime in San Francisco’s tenderloin. Security Journal, 39, 5 (2026). https://doi.org/10.1057/s41284-025-00517-w

The cited study is Heflin, J., McCannon, B.C. (2026) The Impact of California’s Zero Dollar Bail Policy On Crime. Am J Crim Just (2026). You can access it here: https://doi.org/10.1007/s12103-025-09880-1

There has been a great deal written about Boston's Operation Ceasefire, but the original evaluation is at BRAGA, A. A., KENNEDY, D. M., WARING, E. J., & PIEHL, A. M. (2001). Problem-Oriented Policing, Deterrence, and Youth Violence: An Evaluation of Boston’s Operation Ceasefire. Journal of Research in Crime and Delinquency , 38 (3), 195-225. It is online here .

The cited paper is Hubbard-Chason, T., Ariel, B., Assaraf, N., & Harinam, V. (2025). Reducing Crime on London Buses: A Randomised Controlled Trial on Moving Hotspots. Police Quarterly . It is open access and available here: https://journals.sagepub.com/doi/10.1177/10986111251392931

The referenced study is Ariel, Barak, Ashley Englefield, and John Denley. ""I Heard It through the Grapevine": A Randomized Controlled Trial on the Direct and Vicarious Effects of Preventative Specific Deterrence Initiatives in Criminal Networks." Journal of Criminal Law and Criminology 109, no. 4 (2019): 819-67. A full copy of the article is available.