 The plans for the coup d'état were more precise than those of the 23-F previously attempted coup.On October 1, the Home Office Secretary Juan José Rosón had knowledge of the conspiracy.After appraising the situation, Rosón as well as the president of government Leopoldo Calvo Sotelo and Manglano, director of the CESID, decided it was preferable to intervene in a quick way, without more investigations, to avoid a more complicated situation.