One of the world’s most powerful criminal syndicates is facing a government crackdown and internal war after the son of a drug lord betrayed his partner.

Four decapitated bodies have been found hanging from a bridge in Mexico's Sinaloa state, part of a surge of violence that claimed the lives of 20 people in less than a day.

Mexican authorities in Sinaloa state said 20 people were killed, including some who were decapitated, in the latest episode of cartel-driven violence.

Cartel boss pleads guilty The son of Sinaloa Cartel boss “El Chapo” Guzman has pleaded guilty to federal drug charges in Chicago. Federal prosecutors announced Ovidio Guzman Lopez, who succeeded his father as one of the leaders of the cartel in Mexico,

Violence has soared in Sinaloa since the capture in the U.S. of cartel co-founder Ismael "El Mayo" Zambada almost a year ago.

The Sinaloa Cartel uses military-grade weapons to perpetrate violence in Mexico against other traffickers, civilians, government officials and security forces, according to a U.S. indictment ...

Mexico's Attorney General's Office claims former world champion boxer Julio Cesar Chavez Jr. was a "henchman" of the Sinaloa Cartel.