This document recounts that the Argentine Federal Police had completed an operation in hotels in Buenos Aires in order to seize weapons. In the Hotel Madrid, two Brazilians, one Bolivian, and a Uruguayan were arrested, all of whom were political exiles who had arrived from Chile through the Argentine Embassy. Appendix a) mentions other Brazilian citizens, specifically the former major Joaquim Pires Cerveira and João Batista Rita, who had supposedly been handed over to the Brazilian authorities.