Question: In what year did this criminal group, formed by former soldiers of the Mexican Armed Forces and Founded by Nabor Vargas Garcia, break away from their former employer and form their own criminal organization?
Sentence (from "Fuerzas Armadas de la Resistencia Nacional"): Other founding members of the RN included Eduardo Sancho (aka Fermán Cienfuegos), Lil Milagro Ramírez, Julia Rodríguez and Arsenio.
Relevant evidence: No