The Chargé in Paraguay (Trueblood) to the Secretary of State
133. Conveyed yesterday orally substance Deptel 71, March 19, 6 p.m. to Under Secretary Foreign Affairs:10 Told him we must have more precise information, pointing out we were still uninformed regarding identity and connections men involved in March 7 police station affair and as to connection between that and Concepción revolt, Moreno blamed police for failure get data together sooner but stated he would press. He has just phoned me to meet 5 p.m. with Brazil Chargé and Argentine Ambassador11 reference further evidence Communist complicity.
… [Embassy] assembling data on officers known to be in Concepción revolt. As Department aware, not believed to be any officers in Paraguayan armed forces members Communist Party; only possible link with Communist Party would come thru Febrerismo, one sector of which during last July–January period drifted close to Communist Party line. Colonel Galeano, leader at Concepción, is Febrerista involved in several past revolutionary attempts but … [source] states from his information regarding Galeano that latter is not Communist.