Legal analysis: investigation experiment can be used as evidence. According to the results of investigation experiments, it can be determined whether certain behaviors, phenomena, events and criminal traces occur under certain conditions, which can be used to identify the authenticity and related boundaries of the materials provided by criminal suspects. These findings can also be used to verify the authenticity of other evidence. Investigation experiments can be used as evidence. According to the results of investigation experiments, it can be determined whether certain behaviors, phenomena, events and criminal traces occur under certain conditions, which can be used to identify the authenticity and related boundaries of the materials provided by criminal suspects. These findings can also be used to verify the authenticity of other evidence.

Legal basis: Article 135 of the Criminal Procedure Law of People's Republic of China (PRC). In order to find out the case, when necessary, with the approval of the person in charge of the public security organ, investigation experiments can be carried out. The investigation of the experiment shall be recorded in the record and signed or sealed by the participants in the experiment. In the investigation and experiment, all dangerous, insulting or immoral behaviors are prohibited.