The son of a Mexican drug cartel leader has been convicted of charges that he used violence to help his father operate one of the country’s largest and most dangerous narcotics trafficking organizations.

The son of a Mexican drug cartel leader was convicted Friday of charges that he used violence, including the deadly downing of a military helicopter, to help his father operate one of the

The son of a drug cartel leader was convicted of charges that he helped his father operate the sprawling and dangerous trafficking organization.

Ismael “El Mayo” Zambada, the powerful longtime leader of Mexico’s Sinaloa drug cartel, pleaded not guilty Friday in New York on a 17-count indictment accusing him of narcotics trafficking and murder.

The son of a Mexican drug cartel leader was convicted Friday of charges that he used violence, including the deadly downing of a military helicopter, to help his father operate one of the country's largest and most dangerous narcotics trafficking organizations.

Ismael “El Mayo” Zambada, a powerful leader of Mexico’s Sinaloa cartel, pleaded not guilty Friday in a U.S. drug trafficking case that accuses him of engaging in murder plots and ordering torture.Participating in a court hearing through a Spanish-language interpreter,