"Someone bumped into her?" I pondered the possibilities.

Song Xingchen blurted, "Could someone have stolen her gun at that time?"

I instantly connected the dots. Holding the two sugar shakers on the table, I pointed out, "You mean the man stole Xiaotao’s gun and exchanged it for another, replacing the new gun into her holster. The two guns had exactly the same shape, weight and inscription. Xiaotao pulled out the replacement and fired into the sky. Meanwhile, the real murderer used her gun to kill Qin Aonan, then switched the gun back at a certain point?"

"What amazing sleight of hand. Is it possible?" asked Dali.

Song Xingchen explained, "During the Republic of China, expert thieves could thread lightning through a sewing needle, that is, aiming the needle at a bolt of lightning the instant...