This chapter is open access under a CC BY license. It is from The Criminal Act: The Role and Influence of Routine Activity Theory, edited by Martin A. Andresen and Graham Farrell. The full volume provides a unique collection of essays in honour of the work of Marcus Felson and his notable contribution to routine activity theory, environmental criminology and the discipline more broadly. This work was published by Saint Philip Street Press pursuant to a Creative Commons license permitting commercial use. All rights not granted by the work's license are retained by the author or authors.