We have the suspect. Why can't we find the Tiger of YINGYING ZHANG?

Because foreign laws are different from domestic laws, prisoners have the right to remain silent, while others have human rights. This has both advantages and disadvantages. As a result, there has been no breakthrough in this case, and the police can only find evidence or contradictions in the testimony. However, China's handling process is different, which is more convenient, flexible and progressive, and there will be no unjust cases.