After a moment’s contemplation, Officer Ouyang replied, "No, we might have missed it."

Director-General Cheng was the first to realize the implication of my words. "Song Yang, do you mean to say that Officer Niu’s head was severed by a fishing line?"

I nodded. Most people simply couldn't imagine how strong a fishing line was. In the past, I had purchased more than a dozen fishing lines precisely for tension tests and found that the strongest ones could lift an adult man without breaking.

Apart from fishing lines, I had also experimented with a variety of items in order to accumulate practical knowledge for solving crimes. My odd collection included more than a dozen buttons, cloth, daggers, syringes and so on. I appropriated part of my bonuses for this purpose.

"This is very similar to the Headless Rider case from a few years ago,” remarked Xiaotao. “But it was ruled...