Career
On May 24, 1993, he and other Logan Heights Gang members where assigned to kill Joaquín Guzmán Loera at the Guadalajara Airport but in the shoot-out that followed, six bystanders were killed, including the Roman Catholic Cardinal Juan Jesus Posadas Ocampo. Mendez was arrested in late June 1993. On September 1993, Mendez was killed inside a Mexican prison by other inmates while awaiting trial for murder.