 Guevara himself was eager to fight on behalf of Arbenz and joined an armed militia organized by the Communist Youth for that purpose , but frustrated with the group 's inaction , he soon returned to medical duties . Following the coup , he again volunteered to fight , but soon after , Arbenz took refuge in the Mexican Embassy and told his foreign supporters to leave the country . Guevara 's repeated calls to resist were noted by supporters of the coup , and he was marked for murder . After Hilda Gadea was arrested , Guevara sought protection inside the Argentine consulate , where he remained until he received a safe @-@ conduct pass some weeks later and made his way to Mexico . 
