The vast empirical work on the criminogenic nature of democracies has produced strong—albeit suspiciously wide-ranging—claims. This article reviews existing evidence and methodologies that link crime and democracies. It asks three questions: Do theories generate separable and exclusionary predictions enabling their identification and testing? Could results be more conclusive given existing data limitations and the current methodological state of the art? How far are we from obtaining such results? We conclude that there are far too many arguments with blurry lines predicting just about any result. Data are more likely to constitute the binding constraint rather than methodology issues, despite the fact that the estimation of causality between democracy and crime can still be improved. Finally, the priority should be the harmonization of existing information sources, which will require overcoming externalities associated with the public good nature of global information generation.