How to understand the three characteristics of evidence in criminal proceedings

Legal analysis: Evidence has three characteristics: legality, objectivity and relevance, which is called "three natures" for short. Examining the "three natures" of evidence is an indispensable link for public security investigators, prosecutors, judges and lawyers in criminal proceedings, and it is also the premise and basis for ascertaining the facts of the case. As we know, a certain evidential material must be legally admissible, objective and relevant to the facts of the case, and three characteristics are indispensable. If the evidence collected is illegal, objective or irrelevant to the case, it shall not be used as the basis for determining the facts of the case.

Legal basis: Article 59 of the Criminal Procedure Law of People's Republic of China (PRC). The people's procuratorate shall prove the legality of evidence collection in the process of court investigation. If the existing evidence materials cannot prove the legality of evidence collection, the people's procuratorate may request the people's court to notify the relevant investigators or other personnel to appear in court to explain the situation; The people's court may notify the relevant investigators or other personnel to appear in court to explain the situation. Relevant investigators or other personnel may also request to appear in court to explain the situation. Upon notification by the people's court, the relevant personnel shall appear in court.