Ismael "El Mayo" Zambada, a key figure in the Sinaloa Cartel, chose to retain his lawyer despite potential conflicts of interest. This decision surfaced during a Brooklyn hearing, amid charges of U.S.
Sinaloa cartel head ‘El Mayo’ arrested after flying to the U.S. The world’s most powerful drug kingpin was in a U.S. court Friday on weapons, money laundering and drug trafficking charges.