The police swept the scene and counted a total of twenty-seven deaths. The murderer could only be described as insane to kill so many people at once!

When Director-General Cheng had regained composure, I asked, "The murderer committed the crime with a clear purpose so there must be some connection between Officer Niu, Officer Ouyang and Officer Cui. Do you know anything?"

Weariness was written all over Director-General Cheng’s gaunt face, as if he had aged ten years overnight. "I didn't want to venture down this line of thought because I didn’t believe he was such a person,” he started. “But now, all signs point to him."

After a heavy sigh, Director-General Cheng said, "We once sent an officer to prison!"

As soon as the words left his lips, the room fell into shocked silence. Director-General Cheng explained that there was once an outspoken and hot-tempered police officer named Long Ban...