"You must be joking! How could I possibly admit to that?"
"When we were at the dessert shop, Zhong Xu accidentally dropped the files about the Serial Murder Case from his bag. A photo of a foot chain fell onto you, and then you said, 'I've never seen Teacher Fang wear a chain like that before,' right?"
"So what if I did?"
"How would you know it was a foot chain?"
"Well..." Liu Ziqiang opened his mouth but couldn't find the words.
"The photo only shows a chain. Why are you so sure it's a foot chain? Only the murderer would know that it's a foot chain because they saw the Victim wearing it on her ankle! How do you explain that?
Please don't say it was just a casual remark; I don't believe that at all.
So, at the dessert shop, I had already concluded that you were the perpetrator of the serial rape and murder case!"
Bei Chen said seriously, "If you still want to argue, I have more evidence! When you broke into Fang Jia's home, you didn't intend to kill her, so you didn't bring any tools with you.
Fang Jia is just a girl; there’s no way she would have such nylon rope in her house — the same rope used to hang her upside down from the chandelier. So I believe it was brought by the murderer. After you strangled Fang Jia, you needed to hang her up, so you took out the nylon rope you had on hand.
Zhong Xu, didn't you say that there were no murder weapons found at the serial murder scenes?"
"I think this Rope is the murder weapon used to strangle the three women. Once we get it back to the station for testing, we can prove that Liu Ziqiang is that perverted killer!"
Liu Ziqiang leaned against the wall in despair, letting out a deep sigh, and then he fell silent.
Five days after the case was closed, I visited Bei Chen's basement again.
He was still lying on the sofa in a lethargic manner, staring blankly at the ceiling, completely ignoring me as I entered his room.
Since graduating from college, he had been living in this basement without any intention of looking for a job.
"Why don’t you go find a job?" I asked as I settled into the old sofa across from him.
"I have a job," he replied, pointing to the easel in the corner. "Creating art is my job."
"But no one wants to buy your paintings; they hold no value."
"That's only true for you."
"Alright, alright, let's not talk about that." I shifted the conversation. "Regarding those two cases, Liu Ziqiang has confessed. This pervert is over thirty and has never been in a relationship.
On the night of the first incident, he had been drinking, and that unfortunate girl just happened to catch his eye late at night… what a tragedy!" I lamented.
As I picked up the coffee cup on the table, a question crossed my mind: "Bei Chen, you mentioned that the killer committed the crime while hanging from the chandelier. But can that chandelier really support the weight of an adult man? Besides, Victim was still struggling at that time."
"No problem. When the construction team was building the ceiling, they conducted a load-bearing test, and it was determined that it could support the weight of about three adult men. So don't worry, having one Liu Ziqiang hanging from it is feasible; three would be no issue."
"I have a question too," this time it was Bei Chen who spoke up.
"What is it?"
"Is Liu Ziqiang left-handed?"
I burst out laughing and said, "You noticed that too, huh? Actually, he's not left-handed. The victim's right thumb nail was torn not during a struggle but while he was at work, playfully roughhousing with a colleague. The girl intended to take care of it when she got home, but unexpectedly, she caught Liu Ziqiang's attention on her way back... So, what do you think, Mr. Holmes? Didn't expect you to make a mistake too?"
"That's why I found it strange at the dessert shop; Liu Ziqiang handed me the drink with his right hand.
At first, I thought he was pretending, but even after I exposed him as the murderer, he still wiped the sweat from his forehead with his right hand. That's when I realized my initial deduction was incorrect."
With that, Bei Chen closed his eyes.
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