Maybe, there's someone who can help.

Li Yanzhi sat at his desk and repeatedly watched the surveillance video of the day the email center set up the trap. When the villa killed people, he pretended to be a milkman, and this time he pretended to be a sorting worker. He knew that it might be a trap but he had to break in. What secret was hidden in the photo? Li Yanzhi couldn't figure out the key to this. Squid Boy put a thick stack of documents on Li Yanzhi's desk.

"Brother Xiaoyan, here are all the case materials you want related to Miss Zhizhi, including the unclarified evidence of buying the murderer found in the killer's house. Brother Xiaoyan has sharp eyes, and he will definitely find the key."