Controlled experiment

Du Yusheng never seemed to want to hear Li Yao's voice so much.

Every busy tone in the handset seemed to hit my chest, making a muffled sound.Every time it rang, Du Yusheng could think of all the life trajectory of Mr. Qian at the scene of the crime, and every time it rang, Du Yusheng could think of the old man in his family if he was still alive.

Du Yusheng didn't like the feeling of empathy at all.

He hopes that what belongs to others is what belongs to others, so don't influence me. Du Yusheng has always wrapped himself up like this, but he doesn't know what happened recently. It's like the last straw that broke the camel's back. Breathe in.

This hard-to-express emotion didn't stop until Li Yao answered the phone.

After that "Hello", Du Yusheng seemed to have turned off the switch and returned to the world.

"Hello?" Li Yao asked again.

Du Yusheng came back to his senses, grinned awkwardly at the phone and said, "Damn...are you off work?"

Li Yao was stunned for a moment, and said, "Off work? I'm taking a day off today, didn't I just meet?"

Du Yusheng's smile froze on his face, he couldn't see his face on the phone, otherwise it would be so embarrassing.

"Hi, I... I forgot." Du Yusheng rubbed his nose, made a nasal sound, and said in a muffled voice, "I was thinking...to eat something, together."

Li Yao paused for a few seconds.

Asked: "Where are you?"

Du Yusheng squatted on the curb and reported a place name.

Li Yao suddenly laughed on the phone, and said, "I happen to be not far from there, and I just didn't eat, I'm a little hungry."

Du Yusheng bewilderedly watched the screen of the phone go black, and stared blankly at the phone that had already been hung up in his hand.With the constant flow of people, vehicles coming and going, people chatting and the sound of cars honking everywhere, Du Yusheng suddenly felt like running to the middle of the road and high-fiving everyone.

Standing up from the curb pretending to be calm, Du Yusheng calmly flipped through the restaurants on his phone.

It seems that I have never been so hungry.

==

Li Yao hung up the phone and looked at Er Zhuofan who was sitting beside him.

Er Zhuofan's name carries the literati atmosphere of that era, which also matches his age.He always said that he has stepped into the steps of the elderly, and even the word retirement, which was out of reach before, is getting closer and closer to him, and he should retire in a year or two.

The driver in front drove the car quietly, knowing what to listen to and what not to listen to.

Li Yao put the phone aside and sighed.

Er Zhuofan smiled and said, "Du Yusheng must have called."

Li Yao closed his eyes and nodded.

Er Zhuofan frowned and smiled, with the smile of a younger generation at his age.

"The Du family is a good boy, but sometimes he does things that make people confused. You say he is stupid, he can solve some small cases, you say he is smart, do you say he looks like a policeman? Let's say at the beginning , he doubts you and still believes in you so much, it's a good thing you are not a bad person, otherwise, he himself would not know how he died."

Er Zhuofan was cursing in his tone, but there was no look of anger between his eyebrows and eyes. Li Yao could tell that this was also a manifestation of pampering.

Mr. Du and Er Zhuofan are about the same age and have a little friendship.

Looking at Er Zhuofan's appearance, Li Yao didn't know what to say.

Soon, Du Yusheng sent a message, and Er Zhuofan glanced at it.

Li Yao looked at a finger that suddenly appeared on the phone screen, and looked at Er Zhuofan.

There was no smile on Er Zhuofan's face, he looked at Li Yao quite seriously, and reminded: "You have to remember, you pulled him in this round. You have to make sure he gets out of the way, you know? Du There is only one child in the family, so we have to keep it."

Li Yao nodded and said, "I know."

Er Zhuofan nodded, and said: "Don't tell Du Yusheng about your identity. I know Du Yusheng's character. Don't think he is enthusiastic about you now. He is soft. If he knows the truth, don't tell him that he will never die with you." Come on, he can also make a bloody hole in your chest."

Li Yao agreed again: "I know."

These two answers satisfied Er Zhuofan. He felt sorry for Du Yu giving birth to this child. He didn't do his business at first, but was involved inexplicably by Li Yao. He has been in this position for a long time. Er Zhuofan sees that people have their own unique With a set of methods, Du Yusheng's emotions and desires are all written on his face, but Li Yao keeps them all in his heart, and the two can be regarded as complementary.People of this generation have their own three views. Er Zhuofan doesn't want to interfere with anything, but just wants to complete this last case before retiring, which can be regarded as retirement.

Thinking of this, Er Zhuofan patted Li Yao's hand as a comfort.

Li Yao looked out of the window, but his mind was not here.

==

When Li Yao found Du Yusheng, he was eating Tangerine.

Du Yusheng belongs to the kind of person who wants to find something sweet for himself even in a harsh environment, and who can't starve himself.Probably because of the son of a rich family, Du Yusheng is very good at enjoying, even in the desert, he can find the kind of person who can give himself an umbrella to bathe in the sun.

He was sitting on the curb, holding a white plastic bag in his hand. Inside the plastic bag were orange peels and some tangerine oranges. Du Yusheng was holding one in his hand and eating another in his mouth. Li Yao didn't rush over. Instead, she looked at him quietly across the road.Soon Du Yusheng ate all the oranges in his pocket, and he didn't know where he bought the oranges. He still ate them on the road with gusto. Li Yao smiled and watched Du Yusheng put the hat on his coat. Wear it on your head.

After crossing the road, Li Yao walked to Du Yusheng's side and sat down next to him.

"Where did you buy the oranges?"

Du Yusheng looked at Li Yao belatedly, and quickly pulled him to stand up.

"Hey, are you here? I just passed by an old man and tasted one. It was quite sweet, so I bought a few." Du Yusheng looked at his empty plastic bag and smiled, "I didn't pay attention, I ate them all."

Li Yao smiled, turned his back and did not speak again.

He suddenly felt that Du Yusheng was very down-to-earth and had a sense of reality.

While the two were waiting for the taxi, there was an episode. Although Du Yusheng told Xiaobai that he was online 24 hours a day, today is different, and he can't be 24 hours a day at all times. dinner.

Xiaobai's call is so unstoppable that this is how it will come in.

The meaning in the words is very simple, that is, Gu Qingyu has been brought to the police station and asked when Du Yusheng will come for interrogation tonight.

Du Yusheng was about to be laughed out of anger holding the phone, and looked at Li Yao who was standing aside, he walked a little farther.

He shouted: "Gu Qingyu is speaking a foreign language, you can't understand it? You won't interrogate me when I'm not here? Xiaobai, the hole under your nose is for eating? Why do I have a little bit, cough, you can insert it Well, are you targeting me?"

Xiaobai was scolded bloody, and he didn't know why Du Yu was so angry.

After hanging up the phone, Du Yusheng looked at the black screen of the phone and sighed, then looked at Li Yao who was standing straight.

Du Yusheng pursed his lips and walked over with some embarrassment.

"Hi, I'm so sorry, I have something to do with the bureau." Du Yusheng rubbed his fingers and said, "Look, I called you out, but in the end, I still have something to do."

Li Yao looked at Du Yusheng and said nothing, and there was no expression on his face.

Du Yusheng thought he was angry, so he quickly smiled.

Li Yao looked at his watch and said, "I can wait for you for a while, anyway, you can eat anytime, and there is no rush in this hour."

As Er Zhuofan said, Du Yusheng's emotions and desires were all displayed on his face, and a smile immediately appeared on his face, and he kept nodding his head.

Du Yusheng didn't expect Li Yao to say that, his eyes were full of smiles.

==

At nine o'clock in the evening, the Huandao Sub-bureau was full of voices and war drums.

Xiaobai was copying the on-site physical evidence materials sorted out this afternoon on the copier at the door. While printing, he was still thinking about what was wrong with the phone call that made Du Yusheng so angry. Xiaobai didn't understand after finishing the materials. .

Holding a thick file, he bumped into Du Yusheng who had come back after being disrupted.

Xiao Bai glanced at Li Yao behind Du Yusheng, and instantly understood why Du Yusheng was so angry.

"Brother Yu..."

Xiaobai shouted timidly.

Du Yusheng snorted half of grace, and said, "Where's Gu Qingyu?"

Xiaobai pointed to the upstairs and said, "It's inside."

"Take me there."

Du Yusheng changed into a thin coat, turned to look at Li Yao, and said, "You told me before that Chen Xin was already dead when Gu Qingyu entered the ward, and now Gu Qingyu is here, do you want to know how to return?" What? Is Gu Qingyu the murderer?"

Li Yao looked into Du Yusheng's eyes and didn't speak.

"Go, I'll take you to meet."

Du Yusheng smiled, and was about to raise his leg to go in, but Xiaobai blocked the outside with one hand.

Said: "Brother Yu, he can't go in, there are rules."

Du Yusheng sneered, stretched out a finger and nodded Xiaobai.

"If you say one more word today, pack up and leave immediately."

Du Yusheng looked back and forth between Li Yao and Xiaobai, and finally walked in without saying anything.

It was indeed against the rules to bring Li Yao in, but Du Yusheng was not stupid, he had other plans.

==

Gu Qingyu was in the same state as the last time I saw her, but this time she was a little more timid than that time.

He drooped his shoulders slightly, lowered his head, as if resigned to his fate, Du Yusheng looked at him like this, and thought of the dead Mr. Qian, and the fire followed.

Xiaobai and Li Yao stood outside, this is one-way glass, the inside cannot see the outside, and the outside cannot see the inside.

Du Yusheng pulled out a chair and sat down, then took the photo in his hand heavily on the table.

Gu Qingyu shook her shoulders frightened by the sound.

"You told me last time that you didn't go out that night." Du Yusheng kicked the table and said, "Do you think we are stupid? The surveillance video shows that you not only went out, but also went to Huandao Central Hospital. The car was parked in the underground parking lot of the hospital, you are not sick, so can you tell me what you did?"

Gu Qingyu looked at the photos on the table without saying a word.

Du Yusheng smiled and said, "Well, if you don't tell me, I'll tell you for you. That night, you went to the hospital, but it was past the visiting hours, and you couldn't go to the ward, so you found someone who couldn't be seen by the surveillance video. In the office, I took a white coat from inside and changed into it, and sneaked into Chen Xin's ward." Du Yusheng leaned into Gu Qingyu's ear and said, "Then kill him."

"I do not have!"

Gu Qingyu made a gesture to stand up, but was held back by handcuffs. He was so excited that he almost took up the entire chair.

"You don't?" Du Yusheng shook his head pretentiously, and said, "You owe Chen Xin a large sum of money, and you don't want to pay it back. You don't have to pay it back when Chen Xin dies."

"I didn't kill him!"

Gu Qingyu's eyes were flushed with excitement, and he kept struggling on the chair, trying to think about Du Yusheng's words.

"I really didn't kill him!" Gu Qingyu roared, "I really don't want to pay back the money, but how could I kill him?"

Du Yusheng rubbed his nose, stretched out a finger and made a circle in the room.

"Do you know that the most common words heard in this room are these three words 'I don't have', which is what murderers say."

"Trust me." Gu Qingyu said excitedly, "I didn't kill him."

Enough foreshadowing, Du Yusheng stretched himself and ordered some tables.

"Then tell me what you're saying to make me believe you."

Gu Qingyu took a deep breath.

"I lied. I went to find Chen Xin that night." Gu Qingyu lowered her head and said, "I don't want to pay back the money. Chen Xin pressed me hard in those days and said he would sue me. He didn't listen to what he said and told me to wait for a lawsuit, we have known each other for so many years, and he actually treated me like this."

Du Yusheng snorted, thinking that you really dare to put gold on your face.

"That night, I wanted to find him. I went to his house first, but his wife said that Chen Xin was not there. I asked her where Chen Xin was and she didn't tell me." Gu Qingyu paused for a moment and continued: "You also know , Chen Xin owed money to the factory, and his wife was afraid that if he told the address, he would be duped by the workers, so I lied, saying that I wanted to ask Chen Xin to pay back the money, so I tricked Chen Xin out in the hospital.”

"Then you went to kill?"

"No!" Gu Qingyu explained: "I want to scare him. If he sues me, I will tell the workers the address of his hospital and let them come and harass him. I will also find a way to get the workers to sue Chen Xin. , He will definitely not sue me if he loses. I thought so, and then I changed clothes and sneaked into his ward, but I didn’t expect that he was already dead when I went in. "

"Can you say that again?"

Du Yusheng stood up and pointed at Gu Qingyu and said, "You said it once, are you sure that Chen Xin was already dead when you entered, right?"

"Yes, I didn't lie." Gu Qingyu bit her lower lip, nodded heavily, and said, "I called him a few times, but he didn't move, and then I found out that he was dead, I was terrified , I was afraid, so I wiped all the footprints in the house, I don't know how he died, even if it was a natural death, I don't want anything to do with me, and then I left. These are the truth, I I'm not lying, you have to believe me, I really didn't kill anyone."

It was exactly the same as what Li Yao had speculated.

Du Yusheng looked in Li Yao's direction.

To be honest, he believed that Gu Qingyu did not kill anyone.

Comparing gestures with people outside.

The monitoring was cut off in an instant.

Du Yusheng looked outside, making sure that neither Xiaobai nor Li Yao could see what he was doing now.

He took out two photos from his pocket.

It was stuffed in when I just changed clothes.

Du Yusheng always had a question in his mind.

After clicking on the person in the photo, Du Yusheng asked, "Have you seen the person above?"

These two photos were copied by Du Yusheng, and the original version is in Luo Yang's book.

In Du Yusheng's view, these two photos belonged to Li Yao.

"Do you know the people above?" Du Yusheng asked again.

Gu Qingyu looked at it for a while, then shook his head.

"never seen it."

Du Yusheng silently showed him another one.

"Isn't this a photo of a person?" Gu Qingyu shook her head and repeated, "I've never seen this person before."

Du Yusheng was rubbing two photos in his hands, and placed them in front of Gu Qingyu.

"You also think this is a person?"

Du Yusheng touched his chin and said to himself, "I used to think so too."

The past was the past, and now?

Du Yusheng took out the third photo from his pocket and handed it to Gu Qingyu.

The person in the photo is Xiaobai.

A picture of entry, a neat one-inch photo.

"I don't know." Gu Qingyu shook his head, "I really don't even know each other."

Seeing that it seemed to be the truth, Du Yusheng unlocked the lock attached to the table, pointed to the opposite wall, and said, "Turn your back to me, and stand over to the wall."

Gu Qingyu didn't know what Du Yusheng wanted to do, so he could only follow his words and stand with his back to him.

Du Yusheng looked at Gu Qingyu's back carefully, and then compared it with Li Yao's back in his mind.Height, body shape, and the backs of these two people are indeed very similar.It seems that the person who was watching the surveillance video that day should be Gu Qingyu, and he didn't lie.

Du Yusheng touched his nose, put the three photos on the desktop back into his pocket, knocked on the glass window, and signaled the people inside to turn on the surveillance.

==

In fact, Li Yao came out after listening to half of it.

Li Yao could probably guess what Du Yusheng was interrogating. Even if he didn't know, Xiaobai would tell himself sooner or later, why not just play a scene in front of Du Yusheng and pretend not to care about the case, so as to save him from getting suspicious.

While waiting at the door, Li Yao saw a display board in the corridor.

The display boards took up one-third of the wall, and most of them were pictures of commendations and introductions of team members.

Du Yusheng's photo is also on it. The two-inch photo should be when Du Yusheng was before. He looked very young and his body was more hostile than now. It was the time when the edges and corners were the most.Above the three words Du Yusheng is the position of the deputy captain.You can see Xiaobai's photo in the next few lines, and the last few lines are the introductions of members of other groups.

Li Yao scratched his head, he found that the photo of the captain is empty.

There are only a few words of captain, but there is no photo on it.He had heard from Du Yusheng that their main team was a mystery.When this mystery will be revealed, I guess Du Yusheng is also very curious.

Li Yao looked at his watch and felt that Du Yusheng was coming out soon.

When Du Yu was born, he was still looking for Li Yao. Later, when he heard from his colleagues that he was waiting in the lounge, he felt relieved.

On the way to the lounge, Du Yusheng also met someone.

Er Zhuofan.

Du Yusheng hurried over to say hello, and said with a smile, "Oh, why are you back? I didn't hear you were on vacation?"

Er Zhuofan was dressed in a neat uniform, but he was middle-aged but heroic.

"I'm about to retire, and I can't be passive and sabotage." Er Zhuofan nodded Du Yusheng's chest and said, "I heard that the case you were in charge of killed two people one after another. If you can't solve the case, it's serious, so I don't need to say more about what to do. If you can't solve it, go back to the grassroots and stay there."

The last few words Er Zhuofan said were so serious that Du Yusheng no longer dared to tease anything, so he could only nod his head.

After bidding farewell to Er Zhuofan, Li Yao was standing at the door of the lounge when he turned his head. It seemed that he was being watched all the way he was being trained, which was embarrassing.

Du Yusheng walked over and said with a smile, "Did you wait for a long time?"

Li Yao shook his head, "Your leader?"

Du Yusheng sighed, "Isn't that right, Bureau Er, Er Zhuofan, the boss of the Huandao branch, will retire in one and a half years."

While speaking, Du Yusheng gave Er Zhuofan a thumbs up in the back of Er Zhuofan.

Looking at Du Yusheng's back, Li Yao was suddenly a little afraid of what it would be like if he knew the truth.

The author says:

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