The True Colors of A Great Detective

"Also, if it really was Ai Lili that contracted the killer, there wouldn't be so many flaws," Zhao Yu told the police officer Jinmei. "Why would she leave traces of her wiring money? Wouldn't using cash be a safer option?"

Zhao Yu continued. "At the beginning, I didn't understand. If it was really a contract killing, Le Chao could have killed them in the dental treatment room directly. Why go through the trouble of knocking them out, dragging them up to the rooftop, and only then pushing them off the roof? And in broad daylight, too!"

"True that!" Jinmei's eyes were wide open now. Zhao Yu amazed her. She thought he was brilliant. "Then… Why? Do you think the case wasn't a contract killing? Would it be revenge? Maybe Le Chao and the Chen family had resentment towards one another?"