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Ratcliffe's random ramblings
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Ratcliffe's random ramblings from social media


Saying CHEERS to defining problems
For details of CHEERS, see step 14 of Clarke, R. V., & Eck, J. E. (2005). Crime analysis for problem solvers - In 60 small steps. Center...
Jerry Ratcliffe
Aug 31 min read


Tackling crime with door hangers
The reel is based on a recent paper: Boehme, H. M., Tregle, B., & Schnell, C. (2025). “You keep me hanging on”: Evidence from the...
Jerry Ratcliffe
Jul 301 min read


Dark web displacement lessons
The post draw on my c hat with David Décary-Hétu on the Reducing Crime podcast. You can listen here, or access it from just about any...
Jerry Ratcliffe
Jul 281 min read


The Koper Curve
Here is a quick primer on the Koper Curve from the National Policing Institute. And here is the original publication that discusses the...
Jerry Ratcliffe
Jul 181 min read


What is focused deterrence?
Also known as Group Violence Reduction Strategy these days.
Jerry Ratcliffe
Jul 141 min read
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