E/CN.4/2000/9 page 62 291. Concerning Elisabeth Ascanio Bayona, Juan Abel Ascanio, Ana Dilia Pérez and Ana Elida Bayona (E/CN.4/1999/61, para. 153), the Government indicated that the Office of the Attorney-General of the Nation had advised it that the Office of the Prosecutor in San José de Cucutá was working on an investigation, although so far it had not been possible to establish the authority or identity of those involved in the offence. 292. By letter dated 13 October 1999, the Government provided a response on a case transmitted by the Special Rapporteur in his letter dated 29 October 1998. Concerning Julián Andrés Valencia (E/CN.4/1999/61, para. 152), it indicated that the Office of the Attorney-General of the Nation had informed it that the Office of the Prosecutor for Specialized Criminal Circuit Courts in Calí had found no offence of any kind against Mr. Valencia in the investigation carried out and by the same official legal communication had indicated that should additional information become available, a new inquiry could be undertaken. 293. By letter dated 21 October 1999, the Government responded concerning a case transmitted by the Special Rapporteur in his letter dated 29 October 1998. With regard to Juan González Huber and Eduardo Herminso Guillén González (E/CN.4/1999/61, para. 157), the Government indicated that the Office of the Attorney-General of the Nation had informed it that the National Human Rights Division had launched an investigation and had ordered two preliminary steps to be carried out, for an expert opinion and to gather statements from witnesses. The Government would furnish information on the results. 294. By letter dated 11 November 1999, the Government responded concerning one of the cases submitted by the Special Rapporteur in his letter dated 29 May 1995. With regard to Olga Marina Restrepo Díaz (see E/CN.4/1996/35/Add.1, para. 151), the Government indicated that, having checked through the "SIGA" administrative management system, the Office of the Attorney-General of the Nation had informed it that no investigation whatsoever was being carried out. The Government indicated that the Attorney-General was requesting additional information in order to pursue an investigation. 295. By letter dated 29 November 1999, the Government provided a response on a case transmitted by the Special Rapporteur in his letter dated 21 August 1992. Regarding Samuel Fernando Rojas Motoa (see E/CN.4/1993/26, para. 112), a member of the executive body of the Central Workers' Unit in the department of Valle del Cauca, the Government indicated that concerning the events of 4 June 1992, the Office of the Attorney-General of the Nation had advised it that Mr. Rojas Motoa was incarcerated in Medellín prison for the crime of resisting arrest. The Government further indicated that the competent prosecutor had repeated his request for the Office of the Prosecutor in Cartago-Valle to inform him whether a criminal investigation was being carried out there for the crime of torture involving Mr. Rojas Motoa, but that nothing had been found on the subject. The Government indicated that it would keep the investigation under review and provide information in due course. Observations 296. The Special Rapporteur is grateful for the extensive, detailed and informative replies of the Government (see also Addendum 1 to the present report). He considers the decision of the Constitutional Court, removing crimes against humanity from the jurisdiction of the military justice system, and its implementation to be a major positive development. The acceptance by Law 288 of