CULIACÁN, Sinaloa — Before dawn, an elementary school principal in the capital of Mexico's Sinaloa state checks various chats ...

Convoys of military vehicles are now a common sight in the Mexican city of Culiacan, following the arrest of Sinaloa cartel ...

Between 200,000 to half a million U.S. firearms are smuggled into Mexico every year, "60 Minutes" reported last December.

"Mr. Zambada doesn't want to go to trial and is willing to accept responsibility for a charge that doesn't carry out the ...

Accused Mexican drug kingpin Ismael "El Mayo" Zambada is willing to take a plea deal if it means prosecutors do not seek the ...

By Lizbeth Diaz MEXICO CITY (Reuters) -Accused Mexican drug kingpin Ismael "El Mayo" Zambada is willing to plead guilty in a ...

loyal to Ismael “El Mayo” Zambada. Los Chapitos are defending their territory in Culiacán, their stronghold, with the authorities on their heels; Los Mayos, avengers of the supposed betrayal that led ...

The violence in Sinaloa followed the surprise arrest on U.S. soil of cartel co-founder Ismael "El Mayo" Zambada in late July, which is believed to have unleashed an internal power struggle.

The violence in Sinaloa follows the surprise arrest on US soil of cartel co-founder Ismael "El Mayo" Zambada in late July, which is believed to have unleashed an internal power struggle.

The violence in Sinaloa follows the surprise arrest on US soil of cartel co-founder Ismael "El Mayo" Zambada in late July, which is believed to have unleashed an internal power struggle.

Joaquín “El Chapo” Guzmán Loera and Ismael “El Mayo” Zambada — are both in U.S. custody, but their criminal organization continues to be a major source of drugs trafficked into the ...