C51 First Victim
Therefore, he had put on Kong Menghan's clothes and went to the security area of the company once again. He got the key from Song Yuting, who also knew the password, so they could still take a look at the bottle again.
In reality, looking at the jar wasn't going to help much. However, they didn't have any clues, so they could only start from this jar.
As for whether he could find any clues