Systematic reviews aim to minimize any possible bias in drawing conclusions by stating explicit criteria for inclusion and exclusion of studies, by conducting extensive and wide-ranging searches for possibly eligible studies, and by making all stages of the review explicit and transparent so that the methods can be checked and replicated. Over a decade ago, a concerted effort was made by members of the criminology community, including the Editors and contributors of this volume, to bring the practice of systematic reviews to the study of Criminology, providing replicable, evidence-based...