Strictly speaking, this case was beyond Chen Shi's ability. Almost all the members of the task force had to go out and find surveillance footage all over the place and interrogate witnesses. All the police officers who could be mobilized were dispatched.

In the afternoon, Chen Shi had nothing to do and went on the computer in Peng Sijue’s laboratory to watch a TV series while everyone busied away.

The appraisal and test work seemed to be calm in the eyes of outsiders, but the difficulties could only be experienced by the practitioners themselves.

The current focus was on the suspicious DNA found on the banknote, but Peng Sijue ran a dozen tests and found no match. Seeing that he found nothing, Chen Shi took off his headset and offered, “Try Jia Xingyun's DNA!”

“If we had it, we’d have tried it already.”

“Then don't...