Who is Juan Carlos Valencia González? El Mencho’s rumoured successor, with up to $5 million reward offered by USUncategorizedJuan Carlos Valencia González is one of the leaders of Cartel de Jalisco Nueva Generacion (CJNG). His mother, Rosalinda Gonzalez Valencia, is married to Nemesio Ruben Oseguera-Cervantes aka El Mencho – making Juan his stepson.
