E/CN.4/1995/111 page 41 legal since 1957, among the enemies of the military, alongside the FARC, the ELN and other armed insurgency groups. A number of non-governmental organizations, including human rights organizations, are listed in the same manual as Communist "front organizations". 23/ The Special Rapporteur on extrajudicial, summary or arbitrary executions addressed an urgent appeal to the Government of Colombia upon receiving notice of the killing of Manuel Cepeda Vargas, calling on the authorities to conduct an investigation into the case to identify those responsible and bring them to justice. The Special Rapporteur reiterated his appeal to the Government, expressed in several urgent communications during 1993 and 1994, to take all necessary steps to provide effective protection to UP and PCC members (see E/CN.4/1995/61, chap. IV, section on Colombia). 24/ Op. cit. (note 11), p. 28. 25/ Op. cit., p. 9. 26/ The Special Rapporteur on extrajudicial, summary or arbitrary executions transmitted the case to the Government of Colombia on 3 June 1994, according to the procedures established for his mandate (see E/CN.4/1995/61, para. 104). 27/ Procuraduría General de la Nación, Op. cit., note 11, pp. 17-18. 28/ Ibid., p. 73. 29/ Ibid., p. 32. 30/ Ibid., p. 34. 31/ Ibid., pp. 34 and 36. 32/ Ibid., p. 36. 33/ Statement by the Procurador General on National Human Rights Day, 9 September 1994. 34/ With regard to extrajudicial, summary or arbitrary executions and torture, this obligation is contained in, inter alia, the Universal Declaration of Human Rights (art. 8); the International Covenant on Civil and Political Rights (art. 2.3); the Principles on the Effective Prevention and Investigation of Extra-legal, Arbitrary and Summary Executions, (Economic and Social Council resolution 1989/65 of 24 May 1989); the Convention against Torture and Other Cruel, Inhuman or Degrading Treatment or Punishment; the Body of Principles for the Protection of All Persons under Any Form of Detention or Imprisonment, (General Assembly resolution 43/173 of 9 December 1988 (Principle 7)); the Basic Principles on the Use of Force and Firearms by Law Enforcement Officials, adopted by the Eighth United Nations