Although it's already a month old, I just discovered this news article: http://www.eluniversal.com.mx/notas/442834.html

He was ousted from his governorship in Jalisco in 1946 three weeks before finishing his term for having supported the wrong presidential candidate, allying with the FPP against the PRI and as it appears now even having plotted a coup. This makes his turning back to the PRI and becoming minister of defense during the Tlatelolco massacre later in his life even more remarkable, and shows the remarkable abilities of the PRI to channel dissent and even incorporate opponents into the system.