A marijuana case from July 2009 inside the provisional detention center of Diadema (SP) will guide the STF's (Supreme Court) verdict which will decide whether drug possession for personal use in Brazil is a crime or not. Based on the punishment imposed on the detainee, a 55 year old mechanic, the Court will discuss the constitutionality of the article that criminalizes the possession of narcotics in the Anti-Drug Law. (Brazil’s Supreme Court to decide decriminalization of drugs)