[Abstract] Examination of the activities of the criminal investigation is an important work by investigators within the law to take the right approach and flexible approach to the suspects for questioning, is the rapid and efficient completion of the interrogation task of protection. The timing of the trial proper grasp of the trial in practice is particularly important. The suspect's mental activity and careful observation of the existing evidence than on analysis, as well as investigators in the long-term investigation of the accumulation of practical experience derived from an objective analysis of the discovery and seize the opportunity. Reasonable and accurately grasp the timing of the trial, as well as the flexibility to create a clever examination of the enabling environment and atmosphere to break the suspect's psychological line of defense, as soon as possible to promote frankly crime, accomplice testimony and related evidence, which won for the investigation of the whole time and warplanes, in order to improve the Efficiency of the investigation to play a vital role.
[Key words] Examination of the time trial psychological examination of the efficiency of activities