| From the perspective of ontology, criminal interrogation can be seen as a kind of action. Determined by its legal and subject factors, criminal interrogation can be defined as an action with power nature. However, the power nature of criminal interrogation doesn't mean that it is the power of interrogators. To use the French sociologist Pierre Bourdieu’s Semiotic Theory, criminal interrogation can be seen as a symbol system. Criminal interrogation is a form of power expression through the symbol system, which can be simply referred as an expression of power.There are clear legitimate and legal basis for criminal interrogation to be defined as an expression of power. Such orientation can explain the unity of interrogative powers and duties reasonably and has no fundamental conflict with suspect's right to silence and freedom to state. Moreover, such orientation can establish the legitimacy of power and is useful to the effectiveness of criminal interrogation.According to the characteristics of criminal interrogation, its symbol system can be classified into three categories. The first is the symbol system of interrogators, including their language, behavior, posture, dress and other symbols. The second is the symbol system of interrogation environment, mainly referring to the specific place of interrogation, which inflects the power meaning of interrogative room’s space, color, light, structure and other visible symbols. The third is the symbol system of interrogation rules, including the laws, policies and other power symbol forms. All the symbols are integrated rationally and effectively to promote the expression and acceptability of interrogative power.Criminal interrogation should be a complete symbol system and consider all the factors which may influence or decide the way and aim of criminal interrogation power expression. On the one hand, it is necessary to adjust the elements of criminal interrogation, optimize the arrangement of the interrogative environment, adjust the interrogation subject, and use the committal proceedings reasonably. On the other hand, the external factors should also be used rationally and effectively. Through the effective and legitimate use of expression of power, the laws, policies and social resources of interrogation can be applied rationally and effectively. |
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