“…Yet, research on the recent wave of legalization of cannabis for medical use ("medical marijuana laws", MML henceforth) in the US yields mixed results on the association between illicit drug use and crime. Some researchers find no significant relationship between MML and crime (Keppler and Freisthler, 2012;Braakman and Jones, 2014;Morris et al, 2014;Freisthler et al, 2016;Shepard and Blackley, 2016), while others show that MML may reduce some kind of non-drug crimes (Ingino, 2015) because of reduced activity by drug-trafficking organizations (Gavrilova et al, 2014). Using data from the UK, Adda et al (2014) argue that the decriminalizing marijuana allows the police to reallocate effort away from drug-related crimes and towards other types of offenses.…”