Whitey Bulger: protected by the FBI for decades while being the biggest heroin importer in the northeast
Freeway Ricky Ross: supplied by the CIA with coke from the Contras, in a relationship mediated by a DEA informant
Golden Triangle heroin trade: controlled by the CIA for decades after the Korean War, arming and protecting manufacturers and traffickers, with heroin flown on CIA planes
The French Connection: French gangsters were protected by the CIA and allowed to import heroin to their primary market, the US, in exchange for keeping the port of Marseille out of the control of French communists
La Corporacion: the biggest Bolivian cocaine cartel, the "GM of cocaine", started with the cooperation and protection of the CIA according to a DEA agent whose investigations into them were repeatedly thwarted by the State Dept and CIA
the USA has been doing this shit for a long time