腐败犯罪,特别是贿赂犯罪,由于往往没有直接的被害者,因此很难从当事人那里获得有关犯罪的证言和其他证据。缺乏应有的罪证就无法追究腐败分子的刑事责任。为了弥补腐败犯罪取证难的“缺陷”,《联合国反腐败公约》(以下简称《公约》)特别规定了污点证人作证免责制度,要求各缔约 Corrupt crimes, especially bribery, are often difficult to obtain testimony and other evidence of the crime from the parties as there are often no direct victims. Lack of due evidence can not be held criminals criminal responsibility. In order to make up for the “flaws” in the evidence-gathering of corruption crimes, the United Nations Convention against Corruption (hereinafter referred to as “the Convention”) specifically stipulates the system of exempting witnesses of tainted witnesses,