Founded by the four Beltran Leyva brothers – Arturo, Carlos, Alfredo and Hector – the organization was once aligned with Guzman’s Sinaloa cartel but later switched allegiance to Los Zetas.

In 2008, a federation dominated by the Sinaloa Cartel, which included the Beltran Leyva organization, broke apart, sparking one of the bloodiest episodes of Mexican cartel infighting. Brothers ...

The snaring of the Beltran Leyva cartel's boss dealt a serious blow to a drug gang named after a group of brothers who became infamous for the bloody turf war waged with their former ally ...

Reporting from Washington — Alfredo Beltran Leyva, who with his brothers once ran one of Mexico’s most powerful drug cartels, appeared in federal court in Washington on Wednesday and asked for ...

Two hundred Mexican Navy marines stormed an upscale apartment complex and killed a reputed drug cartel chief in a two-hour gunbattle, one of the biggest victories yet in President Felipe Calderon ...

Héctor Beltrán “El H” Leyva, one of four brothers to helm the Beltran Leyva cartel, died Sunday of an apparent heart attack at a Mexican maximum-security federal prison. Leyva, who had been ...

Beltrán Leyva, 56, was one of four brothers who led the drug cartel of the same name which was known for its deadly rivalry with the Sinaloa cartel led by Joaquín "El Chapo" Guzmán. Héctor ...

Beltrán Leyva, 56, was one of four brothers who led the drug cartel of the same name which was known for its deadly rivalry with the Sinaloa cartel led by Joaquín "El Chapo" Guzmán. Héctor ...