Juan Castillo Morales (1918 – February 17, 1938), better known as Juan Soldado (), was a convicted rapist and murderer who later became a folk saint to many in northwestern Mexico and in the southwestern United States. A private in the Mexican army, Castillo Morales was executed on February 17, 1938, for the rape and murder of Olga Camacho Martínez, an 8-year-old girl from Tijuana, Baja California. His advocates contend that he was falsely accused of the crime