February 15, 1965 - Héctor Beltrán Leyva
One of five brothers who collectively built one of Mexico's most formidable trafficking organizations, he assumed leadership of the Beltrán Leyva Cartel following his brother Arturo's death in a 2009 military raid — a transition that demonstrated the cartel's structural resilience amid sustained government pressure.
From Wikipedia
Héctor Manuel Beltrán Leyva (15 February 1962 – 18 November 2018) was a Mexican drug lord and leader of the Beltrán Leyva Cartel, a drug-trafficking organization. He was the brother of Arturo Beltrán Leyva (deceased), former leader of the cartel. Héctor was the second-in-command and rose to the leadership of the criminal organization after his brother's death on 16 December 2009 during a confrontation with Mexican marines.
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