After hanging up the phone, Gu Chen became silent.
Seeing this, everyone in the office seemed to have seen clues from Gu Chen's conversation just now.
It was true that the call was from Gao Chuanfeng from the Technical Section of the Municipal Bureau, but he was originally here to report good news, but why did he make Gu Chen depressed?
Moreover, it can be seen from Gu Chen's conversation just now that there seems to be a problem on Gao Chuanfeng's side.
Lu Weiwei turned around and asked Gu Chen quickly: "What's wrong? Is the test wrong?"
"It's not wrong, there's something very wrong." Gu Chen put his face in his hands, opening his head into a flower shape just like Lu Weiwei usually did.
Lu Weiwei followed suit and stretched her head into a small red flower. She came close to Gu Chen and asked, "What's the problem? Isn't it the potassium cyanide we sent?"
"There is no problem with potassium cyanide." Gu Chen sighed and took the initiative to explain to everyone: "Gao Chuanfeng helped me test the bag of potassium cyanide and found that the bag of potassium cyanide has expired for at least two years.
."
"And in the past two years, this bag of potassium cyanide has been packaged in newspapers, and its toxicity has long since expired."
"So...this bag of potassium cyanide is not enough to poison Zhang Xuchang, right?" Lu Weiwei quickly thought of this based on the ideas provided by Gu Chen.
Gu Chen was a little helpless, but he still nodded and admitted: "Gao Chuanfeng did a test and found that the potassium cyanide in Jiangnong juice is very toxic. It is obviously not an expired product."
"But Zhao Liwen's potassium cyanide is not toxic at all. Even if she mixes her own potassium cyanide into Jiangnong juice, it will not cause Zhang Xuchang's death."
"Wait a minute." When Gu Chen said this, Officer Wang was a little confused and interrupted Gu Chen:
"So, in addition to the potassium cyanide put by Zhao Liwen, the bottle of Jiangnong juice that poisoned Zhang Xuchang was poisoned by someone else?"
"Yes." Gu Chen nodded silently and said helplessly: "Although we can't judge yet, it is obvious that of these two batches of potassium cyanide, one is non-toxic and the other is highly toxic."
"That's not right." Yuan Shasha walked over from the crowd and retorted: "But Zhao Liwen has made it clear that she has admitted that what she did was to deal with Zhang Xuchang and prevent Zhang Xuchang from hindering the development of her project.
"
"But if this is the case, she is undoubtedly the most motivated to kill, and the facts completely prove that she put her thoughts into action."
"But why? It wasn't her potassium cyanide that poisoned Zhang Xuchang? Is there another murderer?"
As soon as he finished speaking, the scene suddenly became lively.
Everyone started talking about it. It seemed that this case was about to be closed, but suddenly there was a problem with the toxicity of potassium cyanide.
And what Yuan Shasha said just now is exactly what everyone is worried about.
Gu Chen nodded silently and took the initiative to admit: "If this is the case, then there are only two possibilities."
"First, either Zhao Liwen lied. Although she poisoned and wanted to kill Zhang Xuchang, she did not actually take action. Instead, she hesitated at the last moment."
"But when questioned by our police, she insisted that it was herself. She obviously wanted to put all the blame on herself."
"But if this is the case, then there may be another poisoner, and this person is the real murderer. Moreover, Zhao Liwen also knows who the murderer is, but she deliberately followed the direction of our investigation and took all the blame.
, is also excusing the murderer."
"Oh my god." Lu Weiwei heard Gu Chen's words and couldn't help but said in surprise: "If that's the case, that's too scary, right? What about the second one?"
"The second is that it is true that Zhao Liwen wanted to poison Zhang Xuchang, and the poisoning was also true, but she did not know that her bag of potassium cyanide, which had been stored for two years, had expired and its toxicity had disappeared."
"So there is no problem with her confession. She also believed that she poisoned Zhang Xuchang. But unfortunately, after Zhao Liwen poisoned, there was another person who poisoned the Hongyuanli community."
"And the poison is also potassium cyanide. That's why the bottle of Jiangnong juice that Zhang Xuchang drank was obviously not poisonous, but he died of being poisoned because of it."
"Because there is another poisoner, Zhao Liwen is not the only one who comes to Hongyuanli Community."
After Gu Chen finished speaking, the scene fell into silence again.
Everyone looked at each other, and it seemed to make sense.
The two points raised by Gu Chen can also well explain why the toxicity of potassium cyanide is different.
Officer Wang sighed and said quickly: "In that case, we must find out how many people there were in Hongyuanli Community at that time."
"If we can't determine how many people are talking about things in Hongyuanli Community, then obviously all the investigations we have done before will have to be overturned."
Gu Chen thought for a few seconds and said directly: "Let's go to the interrogation room and find Zhao Liwen."
"Yes, only she knows it now." Lu Weiwei also thinks so.
After all, the value of Zhao Liwen's case is very obvious to everyone at the moment.
Without her, perhaps all the subsequent problems would be a mystery.
Everyone didn't think too much, just brought their things and returned to Interrogation Room No. 1.
When she pushed open the door of interrogation room No. 1, Zhao Liwen was still sitting in the interrogation chair in a daze.
Poisoning Zhang Xuchang, Zhao Liwen knew what she was going to face.
He seemed to have given up hope, and his eyes were even full of despair.
But when Gu Chen's team pushed open the door, Zhao Liwen glanced at her symbolically, and then asked coldly: "I have written everything I want to confess in the notebook. I plead guilty."
"You don't have to plead guilty so early. Before our physical evidence testing comes out, you can still plead your innocence."
Gu Chen threw the notebook on the table and took his seat with his colleagues.
Zhao Liwen's eyes were blank and she didn't understand.
But when she watched Yuan Shasha adjust the camera again, her eyes were filled with confusion.
"What are you doing?" Zhao Liwen didn't quite understand and asked Gu Chen weakly.
This chapter is not finished yet, please click the next page to continue reading the exciting content! Gu Chen coughed twice, raised his head and chest, looked at Zhao Liwen in front of him and said: "I have read the materials you gave me. From the materials, Zhang Xuchang
He will indeed die in your hands."
"That's right, he was the one who drove me to a dead end. When you found out, I admitted it."
Zhao Liwen seems to have broken the pot.
Especially with Gu Chen, all the secrets were cracked by him, which made Zhao Liwen despair.
But Gu Chen still said seriously: "What I want to ask you is, you have been to Hongyuanli Community, right?"
"Yes, I have been there. In order to resist your investigation, I lied that I had been driving outside. I panicked. I admit it, but I have already written all this in the transcript."
"I know, I've already seen it." Gu Chen nodded silently, glanced at several colleagues around him, and said:
"But, I also want to know who was in the room after you entered the Hongyuanli community at noon that day?"
"Just Zhang Xuchang and me." Zhao Liwen said.
"What happens after that? You start to continue to quarrel over the 'Returning to Garden and Residence' project?" Gu Chen asked.
Zhao Liwen nodded silently: "Yes, Zhang Xuchang called me over this time just to have a good chat with me."
"But because of the power outage, I was cautious when entering the Hongyuanli community, trying not to be discovered by anyone, and not being discovered by anyone."
"Because the weather was too hot, there was no electricity, and the air conditioner failed, so I asked Zhang Xuchang to open the window for some ventilation."
"It was at this juncture that I took out the bottle of Jiangnong juice that I had exchanged for potassium cyanide and made a condition with him."
"You have explained all this in the transcript." Officer Wang looked at the transcript in his hand and read out one after another based on the information provided by Zhao Liwen herself:
"You said that you pretended to compromise and defraud Zhang Xuchang's trust, but you made a condition, which was Jiangnong Juice."
"You lied to him and said that you also wanted to start a project similar to Jiangnong Juice, but you had to let Zhang Xuchang invest and share the risks in exchange for the transfer of shares in the two 'Guiyuan Tianju' projects."
"That's right." Listening to Officer Wang's words, Zhao Liwen nodded silently, indicating that there was no problem.
Officer Wang glanced at her and continued to read the transcript: "You also said in the transcript that Zhang Xuchang was very happy when he heard you let go and picked up the drink to observe."
"You let him drink some to see if he can make money, and then fool him about marketing strategies for a while."
"In the end, Zhang Xuchang was so overwhelmed by the victory in the negotiation that he took out a glass, poured a glass at random, and drank it all in one gulp."
"But because I felt that the taste of Jiangnong juice was really delicious, and the weather in the house was hot, so Zhang Xuchang drank another glass, right?"
"That's right." Zhao Liwen nodded silently, after all, these were what she had explained in her notebook.
But when things got here, Gu Chen quickly stopped and said: "Wait a minute, you said in the transcript that you saw Zhang Xuchang drink two cups of Jiangnong beverage, just two cups, right?"
"Yes, I saw him drink two drinks with my own eyes, and he praised me and said that this project is good, and he can choose to invest on the condition that I give up most of the shares in the two projects of 'Guiyuan Tianju'."
"So of course I am happy to do so and leave this bottle of Jiangnong juice that has been exchanged for potassium cyanide here."
"Then do you know how many drinks Zhang Xuchang can pour out of that bottle of Jiangnong juice?" Gu Chen asked again.
Confused by the sudden question, Zhao Liwen also frowned and asked weakly: "Officer Gu, what do you mean?"
"You don't need to ask me what I mean, you just need to answer me, if the bottled Jiangnong juice is poured into a glass, how many cups can be poured in total?"
"This..." It didn't feel like Gu Chen was joking. Zhao Liwen lowered her head and pondered, making secret calculations in her heart.
After a while, Zhao Liwen raised her head and replied: "If I use the kind of glass Zhang Xuchang used at that time, I guess I can pour 13 to 15 cups. I can't calculate the specifics, but it's basically the same."
"Because I used bottled Jiangnong juice to entertain 14 guests, so each person could get a cup."
"Of course, there is an error in the amount of juice that each person pours, but there is a certain amount of 13 to 15 cups."
"Very good." Gu Chen recorded these in the record, but raised a new question:
"So, before you left Hongyuanli Community, you saw Zhang Xuchang drink two glasses of juice, right?"
"Yes, there are only two cups." Zhao Liwen said.
Gu Chen nodded silently and asked: "What happens after that? You reached an agreement with him and left like this?"
"Yes, I explained it in the transcript because I was afraid that if I stayed in the room for a long time, I would not be able to leave if the toxicity took hold, so I was very scared."
"After all, it was my first time to do this kind of thing. I was afraid that my nervousness would expose me, so after verbally agreeing to some of Zhang Xuchang's requests, I deliberately lied and said that the company had an emergency and I had to leave first."
"Has anyone else come to Hongyuanli Community to meet with Zhang Xuchang since then?" Gu Chen asked again.
Zhao Liwen was silently in a daze, but she thought back and said: "Well... I'm not sure, but when I went out, I did hear some movement on the top of the stairs."
"I think it must be the resident upstairs. He is probably standing on the stairs, preparing to go downstairs or go upstairs."
"Anyway, I don't know very well, but I know that I have to leave here immediately, but I can't be seen by others."
"So I walked down the stairs very quickly, keeping my head down and keeping the brim of my peaked cap very low."
Taking a deep breath, Zhao Liwen shook her head helplessly: "I, Zhao Liwen, have been in business for so many years, and I have never been so embarrassed. But I have no choice. I want to survive, and I know that I am committing a crime."
"But God help me, there happened to be a power outage at noon that day. Of course I knew it very well because I had seen the power outage notice a long time ago."
"That's why I made a careful plan and made an appointment with Zhang Xuchang to negotiate again when the power goes out."
"You are quite smart." Seeing Zhao Liwen's eloquent words, Lu Weiwei looked disdainful: "It shows that your city is very deep and you will do whatever it takes to achieve your goals."
"Haha, whatever you say." Facing Lu Weiwei, Zhao Liwen didn't seem to care.
After all, there is no room for relaxation for this kind of thing.
But Gu Chen noticed what Zhao Liwen said just now, so he confirmed it again and quickly asked her:
"You mean, when you left Zhang Xuchang's house, you heard something moving on the corridor, right?"
"That's right, I didn't know whether it was upstairs or downstairs at first. Anyway, there were a few footsteps and it looked like someone was there."
"But I just wanted to leave quickly, so I lowered the brim of my hat, thinking that even if I bump into me on the way downstairs later, I would definitely not let that person notice me."
"But luckily, the noise didn't come from downstairs, but from upstairs, so I escaped."
"What happens after that?" Gu Chen felt that this was an important clue, which at least meant that someone had been wandering around Zhang Xuchang's room in Hongyuanli Community.
Zhao Liwen scratched the back of her head, but shook her head and replied: "I didn't know much about it later. Anyway, I just left as soon as possible."
"Then you heard, was it one movement or two movements?" Officer Wang asked.
Zhao Liwen shook her head fiercely: "I don't know, maybe it's a movement? Maybe it's just a person, that's all I know."
As soon as Zhao Liwen finished speaking, Gu Chen made eye contact with the colleagues around him. Everyone seemed to have found a breakthrough.
It seems that it is necessary to investigate in Hongyuanli Community, above the corridor of Zhang Xuchang's room.
Moreover, it can be seen from the exchange with Zhao Liwen just now that Zhao Liwen was not clear about the fact that her potassium cyanide expired and would not lead to Zhang Xuchang's poisoning and death.
It seems that he is still in the dark.
But Gu Chen can't tell the truth yet, thinking that he must find the other suspect first.
So after finishing the finishing work with Zhao Liwen, he left in a hurry with the team members.
Everyone’s next goal is Hongyuanli Community.
At the same time, he contacted the head of the household, Zang Fusheng, by phone.
When everyone arrived at Hongyuanli Community, Zang Fusheng was standing downstairs, quietly waiting for Gu Chen and the others.
Gu Chen parked the car in front of him, got out of the car, waved and walked upstairs.
Although Zang Fusheng didn't know what Gu Chen meant, he could only follow him.
Zang Fusheng has not lived here since a murder occurred in his home, and the place has been cordoned off and has become a restricted area.
When Gu Chen arrived at Room 202, he briefly checked the seal and then started running upstairs.
There are 5 floors in total, and there are 6 houses upstairs.
After checking, Gu Chen was surprised to find that the doors of all six suites seemed to be covered with dust, as if no one had been there for a long time.
Gu Chen raised his fingers at Zang Fusheng, and Zang Fusheng immediately stepped forward and asked, "Officer Gu, what are your orders?"
"Does anyone live in the six households above your house?" Gu Chen asked.
"No, no one has decorated it yet. They are all rough houses. This unit is the only one that my family lives in and has been decorated."
Zang Fusheng spoke submissively and in a low voice.
When Lu Weiwei heard this, she also snorted and said with a smile: "Then what you say, the occupancy rate of your Hongyuanli community is really very low!"
"Isn't that right?" Zang Fusheng smiled and nodded in agreement: "The location here is not good, and it is a housing reform community. The surrounding supporting facilities have not been built yet. Who wants to spend money to renovate and live here for a long time?
ah?"
"Even if they want to live in, everyone's thinking is to wait a few years before decorating the house after the facilities here are complete. But I am different. Because Zhang Xuchang often comes here to meet guests, he sponsored me for the decoration fee and asked me to make the house simple.
Decorate it.”
After a pause, Zang Fusheng also sighed and said: "Otherwise, I wouldn't have turned this into a place for Zhang Xuchang's guests, and this kind of thing wouldn't have happened."
"It's fine now. A life has been lost, and the house prices here have dropped again. Even if I want to resell it, someone will have to take it over, but I guess no one will dare to take it over."
"Don't mention the house price for now." Gu Chen interrupted Zang Fusheng's nagging, because Gu Chen found some new clues at the corner of the corridor.
Lu Weiwei made a mute sign to Zang Fusheng, then hurried to Gu Chen's side and asked in a low voice: "Junior Brother Gu, what did you find?"
"Footprints." Gu Chen squatted down and said with some confusion, "This footprint is a bit strange."
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