"Bloodstains?"
Wen Congyuan did not panic.
"They must have gotten there accidentally during the argument earlier."
Li Yan sneered mockingly. "Heh. Then were the bloodstains and hair in the bathroom drain also left there accidentally?
Wen Congyuan's face tightened. "How would I know?"
"Isn't it normal for a drain to have hair and blood in it? What woman doesn't shed a few strands of hair? What woman doesn't menstruate?"
Li Yan sneered. "Heh. Are you sure they weren't residue left behind when you used highly corrosive concentrated sulfuric acid to dispose of the body?"
"In the Underground Passage, we found not only Su Qiao's blood and hair, but also highly corrosive sulfuric acid."
Wen Congyuan froze for a moment, but quickly reacted.
"The Underground Passage gets clogged all the time. Isn't it perfectly normal to use corrosive sulfuric acid to clear it?"
"You're ridiculous. You found a few drops of blood on the wall and a little hair and blood in the drain, and you think you can draw such an absurd conclusion? Is this how you used to handle cases?"
Captain Zhang's expression darkened. "How we handle cases is none of your concern.
"Wen Congyuan, I advise you to come clean as soon as possible. Otherwise, you'll only make your crimes more serious."
Wen Congyuan snorted. "What crime have I committed?"
"I haven't stolen anything, and I haven't killed or set fire to anyone's property. What do I have to fear?"
"Go ahead and investigate."
"I, Wen Congyuan, have nothing to hide. I'm not afraid of your investigation."
In any case, he had not killed Su Qiao. No matter how long they investigated, it would be useless.
"Heh, you have nothing to hide?"
Li Yan slapped the photocopy of the insurance policy in her hand onto the table.
"Then