Zhao Haiyang has equipped Equation’s anti-fraud laboratory with five technicians.Guo Mingyu found out that a policeman had witnessed the suspect in the 713 case 16 years ago, but the policeman died in a traffic accident and the clues were interrupted.Forensic identification results show that the DNA of the bones found in the urban village matches the DNA found at the scene of the 713 case, which means that the suspect Liu Changbao is dead, and the 713 case can only be declared closed.
Faced with this result, Zhao Haiyang and Fang Fang found it difficult to accept. Liu Guangsheng invited the two to dinner and used other cases to encourage them to let go of their obsessions and focus on the work at hand.Zhao Haiyang handed over the closing report to Xia Xia. Xia Xia felt heavy when he learned that the murderer was dead.