The same year, the MSTM issued a declaration supporting Socialist revolutionary movements, which lead the Catholic hierarchy, by the voice of Juan Carlos Aramburu, coadjutor archbishop of Buenos Aires, to proscribe priests from making political or social declarations [REF].
Various armed actions, headed by the Fuerzas Armadas de Liberación (FAL), composed by former members of the Revolutionary Communist Party, occurred in April 1969, leading to several arrests among FAL members.