Known as the "narcos of narcos," Caro Quintero was in prison in Mexico for 28 years before being released in 2013 over a technicality.
The group issued a warning to their rivals following the execution.
More than 1,900 homicides have been registered in Guerrero state this year.
Joaquin "El Chapo" Guzman, who escaped from two Mexican prisons and was a key figure in a bloody drug war, is seen as a flight risk by the U.S. government.
Building a wall is expensive symbolism; it won't prevent catapults, submarines or laundered cartel money.
Police corruption has been in focus since police officers were charged with kidnapping and murdering a Korean businessman.
President Rodrigo Duterte has told police they may “shoot to kill” drug dealers.
Those trying to stop the ivory trade can learn from people tackling drugs trafficking.
Women reported being arbitrarily arrested and sexually abused by police and the military.
Early on Saturday, Guzman was moved to a high security prison in the northern city of Ciudad Juarez on the U.S. border.
"They say they aren't punishing him, but they certainly are," the wife of 'El Chapo' says in her first-ever interview.
Mexico's attorney general told a newspaper there are reasons to believe Kate del Castillo may have used Guzman’s money to help fund her tequila business.
Mexican actress Kate del Castillo has been called to give testimony about the kingpin.
Mexican authorities have formally begun extraditing the cartel leader to the U.S.
Joaquin "El Chapo" Guzman escaped via a mile long tunnel and a rail-mounted motorbike.
None of the scenarios touted by opponents—rampant increases in drug use by the young; Lisbon becoming a “drug tourist” haven—has occurred.
In two novels spanning four decades, Don Winslow goes deep on the real-world conflict consuming Mexico.
As Peña Nieto’s popularity slumps, Mexicans rank the armed forces as the nation’s most trusted institution.
The owner of Envigado Futbol Club allowed the Oficina de Envigado crime gang to use its balance sheet to hide profits from drug trafficking, extortion and murder-for-hire
The son, Ismael Zambada Imperial, nicknamed "El Mayito Gordo," was detained by the Mexican army in a town close to the Sinaloan capital of Culiacan.
The drug lord was captured in San Miguel de Allende, a tourist enclave, where he was working as a real estate agent and art vendor
The government had offered a reward of 30 million pesos ($2.3 million) for information leading to the capture of Luis Fernando Sanchez Arellano, known as 'the engineer'