Examiner Wong

He performed an autopsy on the human remains found by Joe in the garden of the Shing-owned mansion and initially concluded that they had been dead for several years and had been buried around that time.
Later, under pressure from the top, he performed an autopsy on another body that had been switched, and changed his opinion to that of Chan, who had recently been murdered.
May and Joe questioned him, but he conversely suggested that they should also remain silent.
This led May and the others to realize the conspiracy surrounding Yvet.