Chapter 475

Seeing several policemen stop at the same time, the administrator's eldest mother was stunned for a moment and looked at several people with blurred eyes: "police comrade, there are Is there a problem? "

Gu Chen didn't speak. He blocked the eldest mother behind him and made a silent sign language.

At the same time, police officers Wang and Ding took out police pistols respectively, while Lu Weiwei and he Junchao took out their batons respectively.

Gu Chen took out the tear ejector from the nine small pieces of equipment, and put it in his hand steadily.

"Do you smell it?" Gu Chen asked in a low voice.

"I smell it." Lu Weiwei nods.

Officers Wang, Ding and he Junchao all nodded in succession.

Only the administrator's aunt was a little confused. She pulled Lu Weiwei's clothes and asked in a low voice: "smell What do you smell? "

"The smell of blood." She said.

"Blood A fishy smell The administrator's aunt heard that it was bloody, and suddenly the whole person was scared to step back.

She quickly hid at the corner of the stairs.

Lu Weiwei holds the key given by the old woman and gives it to Gu Chen. Gu Chen slowly inserts into the key hole and twists it gently.

With the sound of "click", the old wooden door was suddenly opened. Gu Chen dodged away. Officers Wang and Ding kicked the door open with their feet at the same time. They rushed in with pistols.

"Don't move!"

"Police."

All of a sudden there was a sound in the whole room. Everyone broke into the room, but all of a sudden, it quickly quieted down.

When Gu Chen came to the room, he found that a thin man was lying on the ground with blood under his body.

The blood was clotted on the rough concrete floor and stretched to the door.

It's no wonder that everyone who is naturally sensitive to blood still sniffs out the problem at the first time.

Because the blood has already coagulated, so it spreads in the air, making people feel a bad smell of nausea.

as like as two peas, he took up his equipment and put on white gloves to check the identity of the deceased.

The decadent long hair, the unshaven beard dregs, and the haggard face are basically in line with Zhang Lai's characteristics.

In addition, this is Zhang Lai's rented room, so the dead is Zhang Lai.

Lu Weiwei heavily exhaled, but said: "this is good, people are found, but it is a corpse."

"How did Zhang Lai die?" Officer Ding curled his mouth, the same doubts.

The man who made him unable to eat and sleep well these days was finally found, but it was a corpse, which immediately frustrated officer Ding.

After examining Zhang Lai's body, officer Wang said cautiously: "the boy was stabbed to death with a knife."

"And judging from the current situation, maybe Zhang Lai has been dead for a long time."

"Where is the administrator?" Gu Chen quickly looked up and looked for the administrator's aunt who had just led the way.

He Junchao quickly stepped back and waved to the administrator's aunt in the corridor: "come here quickly."

It was also because she was too frightened to go to the room at the same time and found a body lying on the ground, so the administrator's aunt was also frightened and screamed.

"This What's going on? How can there be dead people on the ground? "

"Don't be nervous." Gu Chen quickly went to her side, pointed to the corpse on the ground and said, "this man is Zhang Lai who lives in your road administration apartment. You don't know him?"

"Yes Is that guy? " The administrator's aunt immediately swallowed her saliva and walked forward cautiously. She bowed and looked at Zhang Lai's appearance. Then she said, "it's really him. How could he die? It's impossible. When I saw him a few days ago, this guy was still alive. How come... "

Seeing the appearance of Zhang Lai's tragic death, the administrator's aunt quickly turned around and said, "my God, it's really a crime. It's not good for him to die, but he will die in our road administration apartment. After that, how can I rent this house?"

"I'll ask you." Gu Chen sees the caretaker's mother's mood a little relaxed, and quickly asks, "when was the last time you saw Zhang Lai?"

"Most last hole? Let me see. " The administrator's aunt was stiff at the moment. Her right hand scratched her head and thought over and over again. She then said, "yes, I remember. It was three days ago. The last time I saw him was a morning three days ago. When he went downstairs, he was very flustered and touched me directly. I also reminded him to be careful when he walked."

"After that, I didn't seem to have met him again. After all, he was a new tenant, and he didn't know him very well and didn't pay much attention to him."

"After that, you've seen Lai three days ago, and you haven't found any trace of them?" Asked officer Wang.

The housekeeper's aunt frowned: "I said, police comrade, all the rooms here have been rented out. Of course, I don't need to check them. If there are any spare rooms and tenants want to come and have a look, I will take them upstairs for a walk.""But the key is not to use it. The rent here is very cheap. Most of the tenants are construction workers who come here to settle down temporarily."

"So they rent here. I just collect the money. I don't care about the rest, as long as they don't make trouble in the apartment."

Lu Weiwei looked at the apartment environment at the door, and then she went back to her room and said, "it's like the dormitories in the old school before. I've seen it. The people here live in a very mixed place. Many old people and children are crowded in one room."

"That's right." The administrator's aunt quickly said: "our side is actually a good location, but it is also about to be demolished, so our rent is very cheap, and there are more people renting."

"In particular, there are a lot of outsiders. On our side, dialects from all over the country converge together. I feel that there are people from all over the world. At ordinary times, some people are ferocious. They look very frightening, so I don't usually go upstairs."

After thinking about it, the administrator's aunt quickly said: "Oh, by the way, in our corridor, there are often fights, which are very noisy."

"Some people fight when they don't agree. I heard about it three days ago, but I didn't take it seriously because there are a lot of alcoholics and fights here."

"Did Zhang Lai die three days ago?" Officer Ding immediately said.

Gu Chen continued to examine Zhang Lai's body. After repeated search and verification, Gu Chen clapped his hands and stood up and said, "Zhang Lai, the dead man, died three days ago."

After looking at the surrounding environment, Gu Chen added: "and the murderer is obviously a professional criminal. He did not leave his own fingerprints and footprints, but also took away the murder weapon."

After entering the house, Gu Chen made a careful inspection of the interior of the house by using the professional observation.

Officer Ding said, "Gu Chen, what is your basis? Is it true that he died three days ago

"Yes, three days ago." Gu Chen squatted down and pressed Zhang Lai's corpse with his fingers. Then he said again:

"in fact, there are several ways to judge the time of death of a corpse, which I learned from forensic Liu."

"Oh?" He Junchao, who saw that Gu Chen had confidence in himself and had no chance to handle a case with Gu Chen at ordinary times, was suddenly curious like a primary school monk, so he quickly asked him, "what are the ways?"

"Look at the stiffness of the body." Gu Chen pressed the corpse again with his fingers, and then said, "generally, the corpse will be rigid within 30 minutes to 2 hours after death."

"It will be completely stiff from 9 to 12 hours and soften after 30 hours, but it will return to its original state after 70 hours."

Of course, in the case of high temperature, Gu thought, "in the case of wet soil, it will delay the drying."

"But judging from the climate conditions these days, it seems that the impact is not big."

Police officers Ding and Wang nodded frequently, and he Junchao also agreed. But soon he asked, "it's true that we can judge by the rigidity of the body. What else is there?"

"What's more, it's based on the temperature of the body." Gu Chen stood up directly and said, "generally speaking, the body temperature drops by 1 degree centigrade per hour within 10 hours after death."

"But more than 10 hours after death, the body temperature drops by 0.5 degrees Celsius per hour."

"The other is based on the purple red plaques that appear on the skin under the body after death, that is, the autopsy spots."

"The plaques usually appear between 2 and 4 hours after death, reach their maximum height after 12 to 14 hours, and are fixed at 24 to 36 hours without metastasis."

"Therefore, judging from this point of view, the death time of the dead Zhang Lai is at least more than 36 hours, but according to the stiffness of the body, I can conclude that his death time should be three days ago, that is, the first day we look for him."

Listening to Gu Chen's detailed explanation, he Junchao gave his thumbs up in admiration: "it seems that forensic Liu's set of things, you Gu Chen has eaten through, the original determination of the time of death can also be based on these things to judge ah."

"Since he was killed three days ago, why didn't anyone know that?" Officer Wang felt a little confused, and quickly looked at the administrator's aunt.

The caretaker's aunt was just stunned and quickly explained: "I just said that. I just rent and check out. There are too many people living here, and people often drink and make trouble."

"I have nothing to do. I don't usually go upstairs. I don't know what happened upstairs. Really."

After thinking for a few seconds, Lu Weiwei quickly asked her, "which of your tenants is most likely to do such a thing?"

"This..." The administrator's aunt was stunned again. After thinking about it repeatedly, she still shook her head: "I'm sorry, police comrade, who is most likely to say? I'm not good at saying this kind of words."

"Anyway, the environment here is not good at all. Outsiders who want to develop in Jiangnan City for a long time will definitely rent a more reliable place."

"Our place is where the floating population live temporarily. The rent is cheap. Compared with the rent of the surrounding apartments, it is several times higher than here.""So there are all kinds of people. I don't know these people very well, so I'm sorry, comrade police."

Looking at Zhang Lai's corpse on the ground, the administrator's aunt immediately wiped her tears: "this child, should be quite young, how can it be gone? What do you call it?"

At this time, he Junchao seems to have some new discoveries on the table. He quickly called everyone: "you look at this."

Gu Chen was the first to come to the desk. Zhang Lai's desk was full of manuscripts, one of which was like a letter. So Gu Chen took it in his hand and read it out gently:

"he's coming again. It's getting closer and closer. Listen, step, tap Da Da... "

Zhang Lai just scribbled down this line. When Gu Chen continued to search for other papers, he did not see the following.

Lu Weiwei was also very puzzled. She quickly asked Gu Chen, "it's very obvious. It's very likely that Zhang Lai knew something, or that before he died, he knew someone would come to him, so she wrote down what he heard on the manuscript paper."

"Is this guy a horror writer?" He Junchao felt very strange, pointing to the above text and saying: "you see, although it is a sentence, it seems that someone is really approaching outside the door."

"Do you think this guy is paranoid, mistaking the sound of footsteps passing by the door for someone coming to him?"

Gu Chen shook his head: "I don't think so."

"I don't think so." Lu Weiwei also said: "you think, who is going to stab him? I know him

"Since I knew him, I would certainly come to him. But from this sentence, Zhang Lai obviously knew that someone was going to look for him, so he was extremely nervous."

"Especially this sentence: he has come again, and the point is" you ". What does that mean? It means that this man has been here once. "

After listening to Lu Weiwei's analysis, officer Wang couldn't help admiring him: "it seems that people will become smarter after Gu Chen for a long time. Yes, the word" you "can explain the problem. It seems that Zhang Lai has something to tell us."

"He may have known the murderer, but judging from the words he left on the manuscript, it seems that he is afraid of the murderer, and seems to know that the man is not good at coming."

"What elder martial brother Wang said is reasonable." If we look up at the paper for a long time, it will be bad for us to look at the paper carefully

Looking up at the caretaker's aunt, Gu Chen asked her, "Auntie, do you have people with mobility problems in your apartment?"

"There is There is one. " The administrator's aunt was also curious about Gu Chen's questions, but there was such a person in the apartment, so she quickly said, "his legs seem to have been broken by steel pipes in a group fight. I asked him casually when he moved to the apartment."

"Then he should live on this floor, right?" Gu Chen asked again.

"Yes, it's not far from here." Administrator aunt full of doubts, quickly asked Gu Chen: "how do you know?"

Gu Chen didn't answer directly. Instead, he continued to ask, "Auntie, I'll confirm with you one more question. Does the person with inconvenient legs live in room 314?"

"Ah?" Gu Chen's conjecture is also startled. The administrator's aunt is scared and silly. The whole person doesn't know why: "you How did you know that? This man with inconvenient legs is really I really live in room 314. "

Now it's the turn of officer Wang, Lu Weiwei, officer Ding and he Junchao.

All of them showed an expression of surprise, which was a little inconceivable.

"Gu Mr. Gu. " Lu Weiwei looks at Gu Chen with straight eyes and asks him weakly: "this How do you know that? "

"It's simple." Gu Chen felt that he didn't need to hide it. He said directly: "because of the words on his paper, you can see."

In fact, a few words were left for the dead Da TA, from this rhythm, it seems that the murderer is not able to move. He may be walking on crutches

"That's right." Police officer Wang suddenly realized that he quickly said, "we just passed through the corridor. On this kind of ground, the sound of our feet is very low. How can we have" Da... " Da What about the footsteps? This is obviously from other materials, and I agree with Gu Chen's crutches

"So it is." Officer Ding nodded thoughtfully, but soon he asked Gu Chen, "but even if you know that the other party's legs are inconvenient, how do you know if you live in room 314?"

"Zhang Lai told me." Gu Chen said.

"Zhang Zhang Lai told you? " Several policemen were confused at the same time, all of them looked at each other, feeling a little confused.

Gu Chen didn't sell his guts. He went forward a few steps directly and pointed Zhang Lai's arm with his toes: "look, what does Zhang Lai have under him?"

"One Circle? " Lu Weiwei looked up at Gu Chen and said, "it's a circle made of blood.""That's right." Gu Chen turned to face everyone and said, "Zhang Lai is an Olympian math genius. You can know from Yuan Shaogang."

"What's more, this man is paranoid about mathematics, he likes to study math problems, and he's obsessive-compulsive disorder. Do you think he'll paint circles before he dies?"

They looked at each other and shook their heads.

Gu Chen snapped his finger and said, "yes, he won't. He's a math addict. He's just using a circle to tell us where his killer is."

"Given his fascination with mathematics, I infer that he must have wanted to tell us with PI, which is 3.14, so I decided that the murderer should live in room 314."

Listening to Gu Chen's explanation, people seem to be suddenly enlightened.

Officer Wang looked at Gu Chen's face and did not breathe for a few seconds. He was alert and asked, "so, the murderer is in room 314 at the moment?"

"I'll see." Gu Chen said.

Officer Ding couldn't wait. He patted he Junchao on the shoulder: "he Junchao, let's go and have a look."

With that, they rushed out of Zhang Lai's room.

Room 314 is in the same corridor as Zhang Lai's.

At the moment, before waiting for the administrator's aunt to keep up, they began to knock on the door.

"Who is it?" A rough voice came from the room.

He Junchao did not reply and turned to see the administrator's aunt.

The administrator's aunt understood, and quickly called, "it's me. I'm the administrator. Open the door."

"What do you want from me?" It seems that the tenants in the house are reluctant to open the door and are somewhat alert.

……

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