After reading the files, I thought the similarities between our torture murder case and Qi Sheng's case were indeed specious. Qi Sheng's case hadn’t drawn much sensation. Would anyone pay homage to him or imitate him?

When I asked Wang Yuanchao what he thought, he quietly took out a piece of paper from the storage box and handed it to me. It was a mechanical design blueprint. Perplexed, I asked him what it was. 

"This is the seed drill Qi Sheng designed when he was younger. It even won an award," said Wang Yuanchao as he exhaled a mouthful of smoke.

I studied Applied Electronics so I knew a little about mechanical engineering. Unlike what most laymen thought, mechanical engineers didn’t build large machines but studied the structural design of machinery. The design in this blueprint showed ingenuity.

I immediately understood what Wang Yuanchao meant. "Do you think he’s not the murderer?...