E/CN.4/1991/17 page 2 I. MANDATE AND METHODS OF WORK 5. The number of communications with information on alleged cases of torture or severe maltreatment received by the Special Rapporteur continued to increase, in comparison with previous years. The Special Rapporteur wishes to reiterate what he said in last year's report, viz. that this increase does not necessarily mean that torture itself is practised on a larger scale in the world. It may be explained by the fact that it is more widely realized that the international community has established mechanisms to monitor violations of basic human rights and also by the fact that a number of societies have become more transparent in the course of time. 6. The decision to transmit an allegation about human rights violations to a Government is always a difficult one, but especially so in the case of torture. Even in cases where there is a recorded pattern of torture in a country, the question of whether a specific person has been tortured can hardly ever be determined with absolute certainty without a careful medical examination. In this respect the mandate on torture is different from the mandates on enforced or involuntary disappearances and on summary or arbitrary executions. Torture is almost invariably practised in seclusion, and the only witnesses are the accomplices to the fact. Physical marks, if present, often disappear or heal or can be ascribed to other causes. To that extent torture can be said to be the most private of human rights violations. 7. The Special Rapporteur is well aware that, precisely because of this peculiarity, torture allegations may be made in order to tarnish a Government's reputation and that this may be quite effective in view of the fact that torture is generally and absolutely abhorred. When the Special Rapporteur's report was under discussion in the Commission on Human Rights at its 1990 session, some Government representatives accused non-governmental organizations of making unfounded allegations of torture for the purposes of political confrontation. The Special Rapporteur was invited to subject the information he received to a thorough screening process lest he would lose his credibility. 8. Whenever the Special Rapporteur transmits allegations to a Government, he does so on the basis of the following considerations: the alleged case usually should correspond to the general pattern of the human rights situation of the country concerned as recorded in documentation provided by governmental and non-governmental institutions. If this is not the case, the allegation will only be transmitted if it is sufficiently detailed; in such cases the Special Rapporteur feels that he is entitled to bring it to the Government's attention in order to enable it to investigate the matter. As for the reliability of the source, which is normally a non-governmental organization, it should be borne in mind that the possibility that the alleged facts have actually occurred must always be corroborated by other, inevitably more general, information. 9. In this context it deserves mention that torture is often applied against persons who are seen by the authorities as political opponents. However, the fact that the allegations are made by politically opposed groups does not necessarily imply that they are made merely for political purposes.

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