After sending the suspicious white powder to the Technical Section of the Municipal Bureau and handing it over to Gao Chuanfeng for processing, Gu Chen took Zhao Liwen back to Furong Branch without stopping.
Prepare for Zhao Liwen to explain everything clearly in the interrogation room and leave it in written form.
For Zhao Liwen, this is undoubtedly a second injury.
It seems that Zhao Liwen's heart has been overwhelmed by the gambling agreement.
But her greed for profits made Zhao Liwen unable to calm down and she could only choose to play against capital.
But in this seemingly smooth capital game, Zhang Xuchang suddenly appeared in the middle.
With Zhang Xuchang's current influence in the industry, he does have the ability to sabotage Zhao Liwen's project.
Even if it affects your construction schedule, it will bring a devastating blow to Zhao Liwen's project.
Since Wu Xiaofeng and Ji Zhe were watching over there in the interrogation room, Gu Chen and the others returned to the office and finally breathed a sigh of relief.
Just waiting for Zhao Liwen's written explanation and the test results from Gao Chuanfeng.
Lu Weiwei picked up the shrimp-flavored potato chips and took a few crunchy bites, but suddenly felt that something was missing in the office.
I turned around and took a closer look, only to find that the tool man, He Junchao, was nowhere to be seen.
Lu Weiwei frowned slightly and asked Officer Ding: "Old Ding, where is He Junchao? It seems that he has not been in the office for a long time. Could it be that Director Zhao asked him to repair the computer again?"
"Haha." Hearing Lu Weiwei's words, Officer Ding laughed dryly and complained: "It's not like Director Zhao's computers break down every day. Besides, He Junchao's computer repair skills are pretty good."
"Then where did he go?" Lu Weiwei walked to He Junchao's desk and flipped through the table thoughtfully.
Officer Ding chuckled and replied, "It's not because of you."
"Because of me?" Lu Weiwei threw away the document, pointing at herself and wondering: "He Junchao is gone, what does it have to do with me, Lu Weiwei? Old Ding, you can't say that."
"Why can't you say that?" Seeing Lu Weiwei still making excuses here, Officer Ding also turned around and smiled teasingly: "Let me ask you, were you the one who gave He Junchao those boxes of expired milk, right?
?”
"Yes...right? What's wrong?" Lu Weiwei seemed to have thought of something.
Officer Ding also said casually: "What else can happen? I went to the toilet frequently early this morning. I guess I have diarrhea."
"I asked him what happened? He said he became like this after drinking the fake yogurt you gave him."
"I asked him how many boxes he drank? He said he drank them all."
"puff!"
When Officer Wang heard Officer Ding's words, he burst into laughter and said, "Drank it all? What is He Junchao doing? How could he drink it all, knowing that it was a fake and shoddy product?"
"He said the fake ones were brand names, but the yogurt is still produced by cows? Maybe it's just a little different in taste, and he said that's what you told him." Officer Ding was also complaining for He Junchao.
Lu Weiwei pursed her lips, suppressing laughter, pretending that it had nothing to do with her, and quickly slipped back to her seat.
Officer Ding also said angrily: "You said that you, knowing clearly that it was a fake product, did not take it back for a refund, but instead gave it to He Junchao and asked him to drink it all. I really don't understand what you are thinking."
"It's better now. He lives directly in the toilet. From what I saw, he has already gone to the toilet no less than 4 times. I think He Junchao is about to collapse."
"Haha." Hearing Officer Ding's words, Lu Weiwei also laughed twice, and quickly defended herself: "He is the one who found out that this is a fake product, and he is the one who wants to drink it. He has the mouth, and we don't have it."
What’s the solution?”
"Besides, how can you drink yogurt like this? Should you drink it as boiled water?"
"I only saw him drink one box of yogurt last night. When we came back in the morning, he drank the remaining three boxes. This..."
Just before Lu Weiwei finished speaking, He Junchao walked in from the door, dragging his exhausted body.
Seeing this, Lu Weiwei, who had been so brazen just now, immediately sat upright and picked up a document on the table and pretended to read it.
He Junchao walked past Lu Weiwei and said with contempt: "Stop pretending, the documents are all backwards."
Lu Weiwei's expression was stunned, and she immediately turned the document over again. Then she covered her cheeks, revealed a pair of beautiful eyes, smiled silly at He Junchao and said, "I heard you have diarrhea?"
"You still have the nerve to say that? If it wasn't because of your few boxes of fake yogurt, I would be dead."
"That's not serious, is it?" Lu Weiwei shrank her neck and said with a guilty conscience.
He Junchao covered his stomach and returned to his seat with difficulty. He looked as if he had just sold blood.
Lu Weiwei quickly took out a bag of potato chips, walked to He Junchao and handed it over: "How about eating a bag of potato chips to calm down the shock?"
"Don't let it be another fake product, right?" He Junchao suddenly became alert after learning the lesson about yogurt.
Especially Lu Weiwei's sudden enthusiasm made her feel uncomfortable.
Lu Weiwei forced it on He Junchao and said, "I only eat this brand of potato chips. Others are fine. With my tricky taste, do you think there will be any problem with these potato chips?"
"That's not the case." Seeing Lu Weiwei's smiling face, He Junchao relaxed his vigilance, casually took Lu Weiwei's shrimp-flavored potato chips, and complained:
"I'm telling you Lu Weiwei, you can't lie to me again in the future. Look at the trouble you made with those boxes of yogurt. I can't even tell which sentence from your mouth, Lu Weiwei, is true? Which sentence is false?"
"Then, which one of my words do you think is true now? Which one is false? Are you afraid that I will wait for you to finish the potato chips and ask you for money?" Lu Weiwei also asked He Junchao.
He Junchao was stunned for a moment, then looked at the potato chips in his hand, and then said regardless of the previous suspicion: "Forget it, I'm warning you anyway, you can lie to me about my feelings, but you can't lie to me about my money."
"Because I can love many people in my life, but I really can't make much money, so you can't cheat me."
"Come on, you're a single guy who doesn't even have a girlfriend, but you still love a lot of people? Besides, how much money do you have? Do you need me to cheat?" Lu Weiwei snorted and returned to her seat.
But He Junchao tore open the potato chip package and said indifferently: "I don't know if you have heard of it, but what is the old saying?"
After thinking about it, He Junchao said again: "Oh, by the way, men are said to become bad when they have money, but according to this, I have been a good person for almost 30 years, when can I turn bad?"
"At first, I always thought it was because of the economic downturn this year. You know? It wasn't until a while ago that I saw everyone rushing to buy iPhone 13 that I realized that it was just my economic downturn."
"Haha, you still know?" Lu Weiwei sneered while eating potato chips.
He Junchao didn't care and smiled: "What else? So when this person is poor, he thinks that he will be happy if he has money."
"But when you really have money, you realize that being rich is more than just happiness. It's just a dream."
"He Junchao, can you stop having so much negative energy?" I saw He Junchao making fun of the poor again.
Officer Wang suddenly felt that the person He Junchao was teasing was him, wasn't he?
Because I am a poor person, I always feel that He Junchao is talking about me, a bit criticizing Huaihuai, and it is difficult not to feel like it.
So Officer Wang imitated Gu Chen's way of encouraging everyone and said jokingly: "But have you ever thought about it? When you understand, wearing a 300 yuan watch and a 3 million watch, the time is the same."
"Loneliness is the same whether you live in a 30-square-meter house or a 300-square-meter house."
Turning around, Officer Wang gestured and said, "Also, wouldn't it be the same if you drank a 30-yuan wine and a 3,000-yuan wine and vomited the same?"
"Smoking a 10-yuan cigarette has the same chance of getting lung cancer as smoking a 100-yuan cigarette."
"So you will find that the effect of comforting yourself about poverty is really good. After all, at a young age, you can understand a realm that some people who have lived for 60 years still don't understand. Isn't that great?"
"Lao Wang, aren't you the same?"
Seeing Officer Wang talking incessantly, He Junchao also spoke clearly.
Officer Wang was stunned, with hesitation in his eyes.
After a moment, Officer Wang immediately turned his head, shook his head and sighed: "I do understand these principles, but I am still a poor person, so..."
"Haha." Seeing Officer Wang and He Junchao fighting each other, Lu Weiwei couldn't help but said with a smile:
"Old Wang, the poor have the joy of the poor. Although we are poor, we do not lie or hit others. We cannot take things that are not ours."
"Isn't it great to insist on being a good, humble and honest policeman, practice basic skills, and be a useful person to society? Oops!"
Before Lu Weiwei could finish her words, Officer Wang hit her head with the back of her hand: "You've seen too much of 'Yangtze River No. 8', haven't you?"
"Hahaha!"
When everyone saw this, they burst into laughter.
At this moment, Wu Xiaofeng and Ji Zhe came over with the transcript written by Zhao Liwen.
Wu Xiaofeng directly handed the folder to Gu Chen and breathed a sigh of relief and said: "Brother Gu, Zhao Liwen has already explained everything clearly. She has written all the details on it and signed and fingerprinted it."
"Very good." Gu Chen took the folder, opened it and read through it carefully.
Zhao Liwen's explanation this time was more detailed than everyone's previous dictation in the car, and was accurate to almost every detail.
It could be seen that Zhao Liwen still wanted to repent, and Gu Chen was generally satisfied.
He thought that he had a good impression of Zhao Liwen before, but what he didn't expect was that Zhao Liwen now had murderous intentions for Zhang Xuchang for his own project, which made Gu Chen feel very sad.
At least this kind of thing shouldn't happen.
But now it seems that everything is too late. Now as long as we wait for the final test results from Gao Chuanfeng of the Municipal Bureau of Technology, the evidence of Zhao Liwen poisoning others will also become complete.
Here, Gu Chen was just about to call and ask Gao Chuanfeng, when a call came in from Gao Chuanfeng.
Gu Chen didn't say anything and directly opened the answer button.
"Gao Chuanfeng!"
"Gu Chen!"
The two spoke almost at the same time.
Gu Chen paused for a moment and continued:
"You speak first."
"I'll say it first."
They both spoke at the same time.
Gu Chen smiled slightly: "Go ahead, I won't argue with you."
"Huh!" Gao Chuanfeng took a deep breath and asked seriously: "Gu Chen, what did Zhao Liwen say to you?"
"Very cooperative. I basically gave everything I needed to explain." Gu Chen glanced at the transcript in his hand and said with a smile, "The transcript she gave is now in my hand."
"It can be said that it is full of details and should have been written with regretful sincerity."
"This is strange." After hearing Gu Chen's words, Gao Chuanfeng hesitated.
Gu Chen heard that there was a problem, so he hurriedly asked him: "What's wrong with you? Did you eat too much chicken legs? What are you hesitating about?"
"No." Seeing that Gu Chen misunderstood what he meant, Gao Chuanfeng immediately corrected him: "What I want to say is that Zhang Xuchang's death may have nothing to do with Zhao Liwen."
"It doesn't matter?" Gu Chen's eyes were stunned.
Maybe it's because I overreacted and sounded too loud.
Everyone who was still joking and joking suddenly stopped laughing.
Everyone looked at Gu Chen with strange eyes.
Gu Chen raised his head and looked around, and immediately continued to ask Gao Chuanfeng: "Do you have any basis for what you said? Isn't it potassium cyanide that we sent you?"
"No, the sample you sent me is indeed potassium cyanide."
"Why is that?" Gu Chen didn't quite understand. Everything was going very smoothly, but when he got to Gao Chuanfeng, he suddenly became hesitant.
He even directly defended Zhao Liwen.
You must know that Zhao Liwen told the truth by herself, especially since the transcript is full of details, it is difficult to see the elements of fraud.
Gu Chen frowned, feeling that there was something wrong in some link?
Gao Chuanfeng also sighed and said with some confusion: "I tested the potassium cyanide sample you sent over. It is correct, but it has expired."
"Expired?" Gu Chen stared blankly, then remembered that when he found the potassium cyanide hidden in Zhao Liwen's cousin's house, it was packaged in newspapers.
Gao Chuanfeng responded directly: "This potassium cyanide packaged in newspapers has expired for at least two years and has long lost its toxicity."
"If Zhao Liwen used the potassium cyanide and put it into the drink to poison Zhang Xuchang, it would not cause death at all."
"Wait, please wait a moment and let me slow down." Gu Chen was completely caught off guard by this sudden change.
It seems that the investigation ideas established before are at risk of being overturned at this moment.
After Gu Chen thought for a moment, he carefully read the details of the transcript given by Zhao Liwen.
Among them, he admitted that he sneaked into his cousin's house, found the remaining potassium cyanide when his cousin committed suicide, mixed the potassium cyanide into Jiangnong juice, and took it to Hongyuanli Community.
As a toxic substance, potassium cyanide is regulated by the public security department and is difficult for ordinary people to obtain.
Zhao Liwen's cousin had been working in an electroplating factory during his lifetime, so it was not surprising that he was able to obtain potassium cyanide.
But I was holding potassium cyanide from 2 years ago, and it was still packaged in newspapers.
Gu Chen suddenly used his master-level memory to remember the specific year of the newspaper, so he immediately asked Gao Chuanfeng: "Gao Chuanfeng, are you still with the newspaper that packaged the potassium cyanide sample?"
"Yes." Gao Chuanfeng said.
"Go and look at the date in the newspaper. Is it from two years ago?" Gu Chen asked again.
"wait."
Gao Chuanfeng paused for a moment, and Gao Chuanfeng's voice came from the other end of the phone, urging his assistant.
After a faint exchange, Gao Chuanfeng picked up the phone again and replied: "Gu Chen, I saw it, the time was 2 years ago, and the date is... May 5th."
"May 5th?" Gu Chen frowned slightly when he heard this: "This is the day that Zhao Liwen's cousin passed away, and it was also that day that Zhao Liwen's cousin secretly obtained some potassium cyanide from the electroplating factory.
He hid in his home and committed suicide by taking poison."
"If that's the case, is this batch of potassium cyanide really from 2 years ago?"
"That's right." Gao Chuanfeng also sighed and said somewhat helplessly: "Although we don't want to admit it, out of professional and scientific considerations, I still need to remind you."
"This batch of potassium cyanide is indeed from 2 years ago, and it is still packaged in newspapers. It has expired long ago and its toxicity has disappeared."
"If this batch of potassium cyanide is used to poison Zhang Xuchang, it will definitely not kill anyone. I can guarantee this."
"I know." Of course Gu Chen also knew that the toxicity of potassium cyanide will disappear after it expires.
It was just that through various reasonings, especially at the Hongyuanli crime scene, I found the bottle of Jiangnong juice that Zhao Liwen had brought from Guiyuan Tianju.
All these factors naturally led Gu Chen to investigate Zhao Liwen.
Because Zhao Liwen had a deep conflict with Zhang Xuchang back then, there was a conflict between the two. It seemed logical that Zhao Liwen poisoned Zhang Xuchang.
Although there is evidence, namely the bottle of Jiangnong juice, the toxicity is not fatal.
However, Gu Chen looked at the circumstances of Zhang Xuchang's death and found that the time he died from the poison was very short. It seemed that he returned to the West not long after he was poisoned.
It can be seen that the potassium cyanide in drinks is still quite toxic.
But if it wasn’t the batch of expired potassium cyanide that Zhao Liwen secretly exchanged, how did the toxicity occur?
Thinking of this, Gu Chen continued to ask Gao Chuanfeng: "Gao Chuanfeng, can you compare the potassium cyanide sample I provided you today with the potassium cyanide previously detected in the drink to see if it is the same batch?
"
"Of course, I was delayed for a long time just because of this, just to find out whether these two batches of potassium cyanide are the same batch."
"So?" Gu Chen asked.
"So I can tell you clearly, no, because the potassium cyanide in the juice that Zhang Xuchang drank was very toxic, enough to cause death in a short period of time."
"And the package of samples you sent me this morning is not toxic at all, so these are two completely different potassium cyanide samples, not the same batch at all."
Gao Chuanfeng also explained the results of his test to Gu Chen in detail.
Even I was confused by these two potassium cyanide samples.
Gu Chen, on the other hand, was sitting there blankly, as if there were mistakes in some aspects of his previous investigation.
If the potassium cyanide that poisoned Zhang Xuchang did not come from Zhao Liwen, then where did it come from?
"Could it be that there is another murderer?" Gu Chen frowned and said with a look of surprise.
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