“Empty? What does that mean?” Xiaotao asked.

I couldn’t help but smile. “Are you saying you don’t know what the word ‘empty’ means? Or are you asking me why it’s empty?”

“You idiot!” Xiaotao stepped on my toe and glared at me.

“Okay, okay, I’ll explain it!” I pleaded with both hands in the air. “There is absolutely no food residue in the victim’s stomach. It’s completely empty.”

“It’s probably because she was locked up by the murderer for a few days,” Xiaotao’s face suddenly turned pale.

“But there’s no fecal matter in her intestines either.”

“Wha-What did you say?”

I then did something that made everyone in the room shudder. I pried open the victim’s legs and inserted my fingers into her anus. I went in so deep that my whole finger was almost completely gone. Xiaotao watched me with her mouth agape and her eyes almost bulged out of their sockets.

“What’s so surprising?” I asked. “It’s just like when a doctor checks a patient’s prostate!”

“This is nothing like that!” Xiaotao exclaimed....