Flores and his twin brother, Margarito, ran one of the largest drug trafficking operations in the United States, importing and distributing close to 40 tons of cocaine and 200 kilos of heroin through Chicago for the Sinaloa cartel. He told the court he’d started in the drug trade as a grade schooler. Yet compared with his predecessors on the witness stand, his significance to the trial — at which Guzman faces charges of drug trafficking, conspiracy to murder and firearms violations — is harder to see at first glance.
Source: latimes.com – Los Angeles Times