RIO DE JANEIRO, BRAZIL - "Tren de Aragua" is a criminal gang of Venezuelan origin. This mafia has taken over the north of Chile and is dedicated to the trafficking and smuggling of women for sexual exploitation as its main source of income, even more than drug and arms trafficking. In Bolivia there is a small group that operates mainly on the border with Chile, but there are emissaries that capture the same Venezuelans and Colombians in cities such as Santa Cruz de la Sierra, La Paz, Cochabamba and Oruro. In drug trafficking they are dedicated to the business of synthetic . . .