Ismael “El Mayo” Zambada, the longtime co-founder and leader of Mexico’s Sinaloa Cartel, has been sentenced to life in prison by a U.S. federal court in Brooklyn, marking the end of one of the most significant criminal cases involving an international drug trafficking organization. The 76-year-old pleaded guilty to racketeering and operating a continuing criminal enterprise, admitting responsibility for overseeing decades of large-scale cocaine and other drug trafficking into the United States. The mandatory life sentence follows years of investigations by U.S. authorities into the cartel’s operations.

During the sentencing hearing, Judge Brian Cogan said the severity of Zambada’s crimes justified a life sentence, citing the enormous quantities of narcotics trafficked and the violence linked to the cartel’s activities. Zambada expressed remorse in court, apologizing for the harm caused by his actions and urging younger generations to avoid a life of crime. In addition to the prison sentence, the court ordered him to forfeit an estimated $15 billion, although authorities have acknowledged that recovering those assets is unlikely.

Zambada’s conviction closes a major chapter in the U.S. campaign against the Sinaloa Cartel, one of the world’s most powerful drug trafficking organizations. His arrest in 2024, following allegations that he was brought to U.S. authorities by Joaquín Guzmán López, the son of imprisoned cartel leader Joaquín “El Chapo” Guzmán, intensified internal conflict within the cartel. Officials say the life sentence sends a strong message that senior figures involved in transnational organized crime will continue to face aggressive prosecution, even after decades of evading capture.