Application Of Criminal Psychological Test Technology In The Investigation Of The Difficult Case

Long, difficult cases are difficult in investigation work, which including two subjective and objective aspects of crime scene, objective conditions or damage of the nature of the case, the special investigation, subjective fault, the decision error, case analysis errors in judgment, are easy to make the case to form case. There is a big limitation to traditional means of investigation in difficult cases, thinking way is single, the lack of unique means that the suspects, the case of objective conditions is large, easy to make investigation come to a deadlock. The testing technology of criminal psychology is based on the principle of relationship between human mental activities and physiological activities, through the design, use of psychological testing system, the suspects were psychological biological response test, to help the relationship between suspects and cases and discriminating and relevant circumstances of the case a crime psychology testing technology. That difficult cases and investigation practice, the criminal psychological test technology is applied to the difficult cases in the investigation of criminal psychology is necessary, the dynamic analysis is the foundation of difficult cases investigation, test case preparation determines the reliability and validity of the interrogation, criminal psychological test technology identification is the inspection after the criminal psychological test results the means is correct, is also an important measure of evidence, investigation of three interdependent in difficult cases, indispensable. The real case detection proved, in the investigation of the difficult cases, whether the use of traditional means of investigation alone, or simply use the criminal psychological test technology, are not sufficient to ensure the cases can be successfully handled, only the combination of the two phase applied to difficult cases investigation, learn from each other, to maximize the protection of cases completed successfully. Finally, the criminal psychological test technology identification "suspected as innocent" cases are discussed, the application of criminal psychological test technology background of the new "criminal procedural law" the prospect.