C315 Fatal poison master(part i)

Lao He interrupted our discussion and said: "Alright, let's end Ding Xiaoran's investigation here. What we're looking for now is someone else, concise. Chen Fei, what did you find out about him? "

"Chief, I didn't find anything." Chen Fei sighed: "This person's information has been completely deleted."

"As expected." Lao He nodded.

"Then where should we start?" I asked, "Actually