8 interviewed by Mrs. Goldenberg who told her that he knew that the leading detainees were taken to San Lorenzo naval base and were executed. b) Testimony of Pilar Coll (social worker) In August 1987, she was assigned to an office of the Investigative Commission of the Congress in charge of gathering testimonies by the detainees' relatives in the prisons and survivors. Jesús Mejía Huerta told her in an interview, more openly, exactly what the previous witness had declared. She pointed out that some detainees' relatives knew that some survivors had already disappeared. c) Judgment of Guillermo Tamayo Pinto Bazurco (civil engineer) In 1987, the Center of Projects and Constructions, from which he was President, was hired by the commission of the Congress in charge of investigating the events in the prisons to technically assess what had happened in the Blue Pavilion from an engineering point of view. He visited El Frontón, whose Blue Pavilion was demolished. The total demolition was carried out by means of plastic explosives that were placed at columns' bottom. He also declared having observed tracks of the expansive wave outside the building, as well as the existence of 20 meters of tunnels that did not affect structure strength; there were no traces of explosions. d) Opinion by Enrique Bernardo Cangahuala (civil engineer) The deponent stated that he was hired by the commission of the Senate to carry out an assessment, from a civil engineering point of view, on the situation that took place in San Juan Bautista prison. After visiting the place and gathering antecedents, he got involved in the report preparation. The Engineering Association adopted this report, where they found that the tunnels did not lead to the coast's openings or evidence of explosives in the Pavilion columns was available. With the help of ten workers, it would have been possible to eliminate all the debris in the pavilion within a month. If the intention of using explosives had been to clear the Pavilion, they would have been placed on the walls. According to their his opinion, explosives were placed to demolish the building. There is no evidence of a possible explosion inside the building. A plastic explosive could not cause a casual dynamite sympathetic explosion. There was also the possibility that people could use the tunnels as shelter but could not leave them. e) Testimony of Ricardo Aurelio Chumbes Paz (attorney and court judge) During the period of the facts he was a Judge in charge of preliminary of the stage of criminal proceedings of Callao. On June 18, 1986, he listened on the radio the news on the riots in El Frontón, and, at about 1 p.m. the President of the Supreme Court entrusted him with observing the facts, reporting them afterwards, but not being entitled for making decisions. Navy officials denied him means to move to the Penal Island. At 3:30 or 4 p.m., he received an habeas corpus in his office presented by the prisoners' attorney, and at about