RIO DE JANEIRO, BRAZIL - The government of Uruguay has seen a sharp reduction in illegal marijuana trafficking in the first four years after legalization under state control.
However, according to the police, the seizures have remained relatively constant since the adoption of this pioneering measure worldwide.
The contradiction, which still has no clear explanation, exemplifies the difficulties in gauging the real progress of marijuana drug trafficking.
In 2014, when the law authorizing self-cultivation and cannabis clubs was passed, the National Drug Board began monitoring the effects of the law through a survey among adults who claimed to use marijuana . . .