Both criminal groups had been rivals ever since Alfredo Beltrán Leyva, one of the cartel's co-founders, was captured in 2008 ...

As turf wars between Los Chapitos and La Mayiza continue, authorities have reported at least 80 homicides in November ...

An eerie silence pervades the historic center of Culiacan, capital of the Mexican state of Sinaloa, where infighting among ...

A war that started shortly after an airplane dropped off the reputed cofounder of the Sinaloa cartel at an El Paso-area ...

Recruitment of chemistry students at Mexican universities is part of the Sinaloa cartel's strategy to expand its fentanyl ...

Mexico President Claudia Sheinbaum has denied knowledge of students in her country being involved in producing fentanyl for the notorious Sinaloa Cartel.

Eduardo Escobedo, a convicted drug trafficker affiliated with the Sinaloa cartel, was killed last Thanksgiving in Los Angeles ...

A high-ranking Sinaloa Cartel lieutenant who allegedly conspired with El Chapo's sons to smuggle fentanyl and cocaine into the United States has been indicted by a federal grand jury in Chicago on ...

FILE PHOTO: Federal forces guard the perimeter of a scene following a shootout, in Culiacan MEXICO CITY (Reuters) -The prosecutor's office of Mexico's Sinaloa state is investigating the killing of ...

“We should be celebrating what happened in Sinaloa,” U.S. Ambassador Ken Salazar said recently. But the capture of Ismael “El Mayo” Zambada has ignited an all-out battle for control of the ...

A federal grand jury in Chicago on Monday accused a high-ranking advisor and security leader in a faction of the notorious Sinaloa cartel of producing and importing illegal drugs to the U.S., the ...