Brothers Miguel and Omar Trevino Morales — aliases "Z-40" and "Z-42" — led one of Mexico's most powerful and feared organized ...

Quentin Sommerville meets Mexican cartel foot-soldiers smuggling deadly fentanyl into the United States, and sees first hand ...

The BBC's Will Grant visits the site believed to have been used by drug cartels to dispose of victims' remains.

A group of citizens, helped by an anonymous tip, found dozens of shoes, heaps of clothing and what appeared to be human bone ...

A horrifying "extermination camp" has been discovered in Mexico, believed to be linked to one of the country's most brutal ...

Prosecutors in Mexico confirmed the discovery of hundreds of clothing items and bone fragments by a group of people searching for relatives at a previously known cartel training site.

Authorities are trying to figure out how many were killed at a Jalisco ranch that apparently was used as a cartel training ...

Former leaders of the Los Zetas cartel were arraigned in Washington, D.C., on charges including drug trafficking, firearm ...

As the president tries to force Mexico to stop the flow of drugs, cartel members tell Quentin Sommerville they will not be ...

A civilian search group found a gruesome site near Guadalajara, sparking outrage as authorities had raided the area months ...

Cartels recruit more people than they lose and are deeply embedded in the U.S., former DEA Special Agent Brian Townsend warns ...

Several cartel operatives said that for the first time in years, they genuinely feared arrest or death at the hands of the ...