on return to his san juan home, which sarmiento says facundo governed "solely with his terrifying name", he realized that his government lacked support from rosas. he went to buenos aires to confront rosas, who sent him on another political mission. on his way back, facundo was shot and killed at barranca yaco, córdoba. according to sarmiento, the murder was plotted by rosas: "an impartial history still awaits facts and revelations, in order to point its finger at the instigator of the assassins".