legal ground
Article 50 of the Criminal Procedure Law of People's Republic of China (PRC)
All the materials that can be used to prove the facts of the case are evidence.
Evidence includes:
(1) Physical evidence;
(2) Documentary evidence;
(3) Testimony of witnesses;
(4) the victim's statement;
(5) confessions and excuses of criminal suspects and defendants;
(6) Appraisal opinions;
(7) Records of inquests, inspections, appraisals, investigations and experiments;
(8) Audio-visual materials and electronic data.
The evidence must be verified before it can be used as the basis for finalizing the case.