2. States shall ensure that complaints and reports of torture or ill-treatment are promptly and effectively investigated. Even in the absence of an express complaint, an investigation shall be undertaken if there are other indications that torture or ill-treatment might have occurred. The investigators, who shall be independent of the suspected perpetrators and the agency they serve, shall be competent and impartial. They shall have access to, or be empowered to commission investigations by, impartial medical or other experts. The methods used to carry out such investigations shall meet the highest professional standards and the findings shall be made public.
2. 国家应确保立即切实调查关于酷刑或不当待遇的申诉和报告。即使没有明示申诉，但如果有其他迹象显示可能发生了酷刑或不当待遇，也应进行调查。调查员应独立于涉嫌施行酷刑的人及其服务的机关，并应具有能力、公正无私。他们应能咨商公正的医疗专家或其他专家，或有权委托这些专家进行调查。进行此种调查所用的方法应符合最高的专业标准，调查结果应予公布。