| Scene investigation of criminal cases in China’s Witnesses system is the Code of Criminal Procedure, the public security organs in criminal cases on-site examinations and rules and other legal documents, invite third parties to natural persons by the investigation authorities to witness the crime scene exploration activities, in order to supervision restricting the investigating authorities scene investigation behavior prove Spot Traces the legality and validity of the manifestation of procedural justice requirements and the concept of democracy and the rule of law an important criminal proceedings. In order to demonstrate the concept of the protection of human rights, the current worldwide increasing emphasis on the legitimacy and seriousness of the scene investigation procedures and Spot Traces collected, which makes the implementation of norms, strict criminal cases scene investigation witnesses system has become an inevitable requirement.By explore the scene investigation Witnesses system the legal basis for the theoretical basis to analysis the scene investigation Witnesses system learn from both within and outside the jurisdiction of classic, using comparative analysis and theory with practice and research methods, in order to be able to improve our criminal cases scene investigation Witnesses system further the principle of the Code of Criminal Procedure respect for human rights and protection concept. I believe that the current should first undergo a rigorous qualification system to establish a full-time criminal cases on-site witness to the exploration team, and witnesses in litigation participants areas; Second, we need to further clarify the witnesses invited procedures, witness content, rights and obligations relationship, the exploration of the obligation to inform, in violation of the specific content of the live witness to the exploration of the consequences of the system processing; again, it should be the complement system and to set special circumstances to protect the effective operation of this system. |