According to Mexican media reports, shortly after the death of the cartel's leader, Arturo Beltrán Leyva on December 16, 2009, Valdez began to dispute the cartel's leadership and its territory; one faction was led by Valdez and Gerardo Alvarez-Vazquez, while the other is led by Arturo's brother Héctor Beltrán Leyva and his lieutenant Sergio Villarreal Barragán.
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