TLator: kiwii 

Editor: velle 

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"So the conclusion is: Liao Shixin wrote a thesis, but it was stolen by Song Qiyuan. Liao Shixin lost his parents overnight and found out that his thesis was stolen, so he killed Song Qiyuan out of anger?" You Duo didn't expect the case to have such a big turning point.

Bu Huan shrugged: "He didn't kill impulsively, just like what Cheng Jin said: he planned the murder rationally."

At this time, Wei Qing walked into the hall and asked, "How is the situation now?"

"Liao Shixin is not at home, and his whereabouts have not been found yet." Someone replied.

Another person said, "We have contacted Hong Fei."

"Turn on the speaker." Wei Qing walked over to listen.

"Hong Fei, hello, this is the Public Security Bureau. We want to know something from you. Have you ever done some research on toxins with Liao Shixin?"

"No. We often do experiments together in the laboratory, but our research directions are different." Hong Fei said, "Liao Shixin's research only involves toxins. I've got something to do now; can we talk later?"

Wei Qing interjected, "This matter is urgent; please cooperate."

Hong Fei was silent for a moment and said, "Sorry, it's not convenient for me now; can I contact you in an hour?"

Wei Qing still wanted to talk, but the other side had already hung up the phone, and when he called again, the phone was turned off. Wei Qing was very annoyed.

Bu Huan said from the side, "Maybe if you had told him the Ministry of Security instead of the Public Security Bureau, he might have cooperated."

(kiwii: Ministry of Security is a large organisation that has higher position and authority, i.e., it is responsible for foreign intelligence and other higher matters, whereas Public Security Bureau is your typical police station.)

Wei Qing glared at him: "How about Song Qiyuan's father? He still doesn't admit anything?"

"He said he didn't know anything about his son at school."

"He doesn't even know that his son has received a notification letter from a well-known foreign university? Without that thesis, Song Qiyuan wouldn't have received the notification letter!"

"Calm down." Bu Huan said indifferently, "The boss is talking to him now."

Wei Qing calmed down a lot when he heard that Xie Ming had come out.

Soon after, Cheng Jin called back to ask if there had been any new developments.

Bu Huan told him that Hong Fei had turned off the phone and could not be contacted.

Cheng Jin mused, "Hong Fei said it's inconvenient? Few people would tell the police that it was inconvenient, and even fewer would directly hang up the phone. I remember that he had a good relationship with Liao Shixin. Could it be that Liao Shixin is by his side now?"

"You mean that Hong Fei might be in city B right now? I'll check." After hanging up the phone, Bu Huan and Wei Qing told Cheng Jin's guess.

Wei Qing had someone trace Hong Fei's cell phone and at the same time called to ask the staff stationed at the medical university if they had seen Hong Fei, but they had not received a notice from above saying that they should pay attention to a person named Hong Fei. People kept coming and going in and out of the dormitory, so they went to the dormitory to inquire, and only then did they know about Hong Fei. He did come back not long ago but went out again soon, but no one knows where he went.

Wei Qing had no choice but to send additional personnel to search and inquire near the medical university.

Seeing that Wei Qing's expression was bad, Bu Huan persuaded him: "It's not their fault; they didn't know to pay attention to Hong Fei; they just focused on Liao Shixin."

"Yes, because I didn't tell them." Wei Qing was still angry.

"Hey, it's not your fault. It's the first time we've done this kind of 'case-solving' task, and we don't have any experience in this area. You see, before we only took on tasks with clear goals, it was the first time we took on such an inexplicable murder task."

"It's more of an excuse." Although Wei Qing said that, he relaxed a little.

Soon Xie Ming called to inform them that Song Qiyuan’s father admitted that Song Qiyuan did not write that thesis, but he said that Song Qiyuan himself did not know that a paper was published in his name, and he said that these were all operated by Si Buming in private. Si Buming said that Liao Shixin was short of money, and he gave Liao Shixin 500,000 through Si Buming. He emphasised that Si Puming said that Liao Shixin voluntarily transferred ownership of the thesis to Song Qiyuan.

Xie Ming strictly ordered them not to disclose this matter, which was the condition that Song Qiyuan's father was willing to tell them.

You Duo found it difficult to understand: "What did his father think?"

Bu Huan imagined: "He should be the kind of person who really cares about a face. His son's grades are mediocre, and he is very unwilling. He wants to let others know that his child is the proud son of heaven."

"No wonder we found out that the relationship between the father and son has been very bad recently. Presumably it is because Song Qiyuan doesn't want to go abroad, and they had a quarrel?"

"Maybe." Bu Huan heard that Wei Qing was talking to Cheng Jin, so he turned his attention to that side and leaned over to listen.

Cheng Jin was saying: "...after Liao Shixin's parents got into a car accident, Liao Shixin was short of money, and then Si Buming got him to sell the thesis to Song Qiyuan, but Liao Shixin's parents still passed away, and Liao Shixin hated Si Buming and Song Qiyuan out of desperation. Now that Song Qiyuan is dead, Si Buming should be his next target. Are Si Buming's whereabouts under our control?"

Wei Qing said, "Staff have been keeping watch on him. He just drove out of the house and doesn't know where he went."

"Which direction did he drive?" Cheng Jin asked, and Wei Qing reported the route to him.

"I'll go and have a look." Cheng Jinzheng was with Yang Simi and Han Bin, and he said to them, "Let's follow Si Buming; maybe Liao Shixin will go look for him."

Si Buming went to a hotel.

When Cheng Jin and the others arrived, a colleague was waiting for them downstairs.

"Si Buming has already gone in. He is here for the banquet. Our people have already followed."

"Okay, which room is it? We need to know who else is in the room..." At this moment, Cheng Jin's cell phone rang: "Hello, Xiao An?"

"I know why Hong Fei said that he has something to do today; because he is going abroad, he is now inviting his professors to dinner. The brother of the medical university told me just now, I was just calling to try my luck, but I didn't expect him to know."

"You are doing well, Xiao An; do you know the location for dinner?"

"Zhonghong Hotel, the address is..."

"We are here now. I'll hang up first." Cheng Jin hung up the phone and then ran, "Quick! We have to go there quickly if Liao Shixin is here…"

Cheng Jin showed his ID to the hotel attendant and asked him to take them to Hong Fei's room.

At this time, Liao Shixin was indeed in the room, and the professors were also there. Hong Fei saw the professors chatting, so he took the time to ask Liao Shixin: "Shixin, a policeman called me and asked me if I had done a toxin experiment with you. Do you know what's going on?"

Hong Fei and Liao Shixin have a good relationship, mainly because they admire each other's medical talents and feel like confidants to each other, and they are of great help to both when they do experiments together, so Hong Fei invited the professors to dinner. At that time, he also called Liao Shixin.

Liao Shixin was startled, clenched the wine bottle in his hand, and then smiled: "It's just a small matter. We'll talk about these things after dinner. I'll go to toast the teachers first."

"Ok."

Si Buming just clinked a glass with Zhao Zi, who was next to him, and drank all the wine in the glass.

Liao Shixin came to help him refill it and then filled his own wine glass, saying, "Professor Si, I want to toast you. Thank you for helping my family. I will do it first out of respect!" After speaking, he drank it in one gulp and then lit the bottom of the cup.

After Song Qiyuan's accident, Si Buming has been uneasy. He didn't want to come tonight, but considering that other professors were coming, he couldn't deny it. After he came, he kept avoiding Liao Shixin—it wasn't that he found out that Liao Shixin was going to harm him, but because he felt embarrassed because of the thesis and the death of Liao Shixin's parents.

But now that Liao Shixin took the initiative to come over to toast, he couldn't ignore it. Fortunately, Liao Shixin didn't say anything to embarrass him. He breathed a sigh of relief and hurriedly said, "Don't be polite; this is what I should do." After finishing speaking, he drank the wine in the glass. He thinks that their glass of wine means "forgiving grievances with a smile".

There was still some wine left in the bottle in Liao Shixin's hand; he poured it into his own glass, opened a new bottle, and filled it up for Zhao Zi: "Professor Zhao, I respect you too; you are a good teacher; I admire you."

Zhao Zi patted him on the shoulder and said, "You...don't think so much; no matter how difficult the things are, they will pass, and the living people must live well."

Liao Shixin's hands trembled; he quickly drank the wine in the glass and went to respect Hong Fei again: "Hong Fei, you will become the most brilliant doctor. I'm sorry today..." After speaking, he drank another glass.

Hong Fei was a little puzzled: "What's wrong? You're sorry? I'm confused... What's wrong with you? Liao Shixin?!" 

Liao Shixin fell down suddenly, and Hong Fei hurried to help him.

Zhao Zi next to him also called, "Si Buming? What's wrong with you?"

When Cheng Jin and the others ran upstairs and rushed into the room, it was already in chaos.

The poison in Liao Shixin and Si Buming was not the previous toxin but a more deadly cyanide, which was very poisonous, and they died on the way to the hospital.

Wei Qing took people to deal with the follow-up matters.

Cheng Jin, Yang Simi, Han Bin, You Duo, and Xiao An were also called. They went to dinner together later. It was almost 9 o'clock by now. You Duo was very hungry; he didn't eat breakfast, he also missed lunch, and he didn't eat dinner until 9 o'clock.

They were eating when a phone call came from the office, and a post appeared on a forum with the highest click-through rate. The beginning of the article read: Hello everyone, I am Liao Shixin. If anyone sees this post, then I'm already dead…

This post is the suicide note left by Liao Shixin. He posted it by using the regular posting function of the forum.

They dropped their chopsticks and hurried back to the office.

Xiao An and other staff who were proficient in computers were immediately assigned a task: completely block the news of this post so that it could not continue to spread.

Cheng Jin looked at Liao Shixin's suicide note, and Xiao An said that Liao Shixin had set a timed posting function, and if he did not cancel the post at 9 o'clock, the post would be automatically posted.

After his parent's car accident, the truck that caused the accident fled, and they were not compensated. He needed a lot of money for his parent's operation, and they were still in critical condition after the operation. They needed to live in a special ward, and the doctor said that other operations would be needed in the future... the expenses continued, like a bottomless pit.

His family is just an ordinary family with little money. Although the teachers and students of the medical university also helped, it was still a drop in the bucket. At this time, Si Buming told him that he could sell his thesis. He considered it for a few days and finally agreed.

After that, his parents had a second operation… then they didn't survive the critical period. If his parents had survived, he would have been grateful to Si Buming for the rest of his life, but they still died…

He always blamed himself. If he had agreed to Si Buming a few days earlier and his parents had undergone the operation a few days earlier, would it have been possible for them to survive?

Later, he heard that Song Qiyuan had given up studying in that

world-renowned university, and he couldn't restrain his hatred when he saw that what he was unwilling to let go was thrown away by others.

He wants revenge. He made a careful plan.

He first put a small amount of toxin in Liu Chang's cold medicine, estimated the approximate dosage needed to kill an adult, and then formally put the poison in the stomach medicine. In order to conceal his real goal, he put poisonous capsules in several bottles of stomach medicine, but except for the poisonous capsules in one of the bottles that can cause death, the poisonous capsules in the other bottles are "safe". He replaced Song Qiyuan's original stomach medicine with this bottle of "must die" stomach medicine.

He thought his plan was very careful, but he didn't expect that the police would find him soon.

Until this afternoon, he was not at home. He saw the police go to his house when he was near it, and he knew the police must have found something, so he had to advance his plan. Originally, he didn't want Si Buming's death to be at his only friend's farewell party...

The most valuable part of the suicide note is that Liao Shixin said that besides Song Qiyuan, he had poisoned only three other bottles of stomach medicine. That is to say, the relevant departments no longer need to make efforts to find the stomach medicines sold by Huiren Hospital and no longer need to continue to test those medicines.

Although Xiao An and others tried their best to prevent Liao Shixin's suicide note from spreading on the Internet, the speed of spreading was very fast, and the netizens were rebellious. If you delete one copy, you could see 10 more copies.

And this incident wasn't completely over here; the butterfly effect it triggered continued and ultimately changed the future of many people.