Seeing several police officers stop at the same time, the administrator was stunned for a moment and looked at them with confused eyes: "Comrade police, is there any problem?"
Gu Chen didn't say anything, but blocked the old lady behind him and made a silent sign.
At the same time, Officer Wang and Officer Ding each took out their police pistols, while Lu Weiwei and He Junchao each took out their shrink batons.
Gu Chen took out the tear gas injector from the nine small pieces of equipment, threw it in a handsome spin, and firmly caught it in his hand.
"Did you smell it?" Gu Chen asked softly.
"I smell it." Lu Weiwei nodded.
Officer Wang, Officer Ding and He Junchao also nodded one after another.
Only the administrator aunt was a little confused. She tugged at the corner of Lu Weiwei's clothes and asked in a low voice: "Smell...what do you smell?"
"The smell of blood." Lu Weiwei said.
"Blood... smell? How... how could it be like this?" When the administrator heard the smell of blood, she was frightened and took a few steps back.
She quickly hid in the corner of the stairs.
Lu Weiwei took the key given by the old lady and gave it to Gu Chen. Gu Chen slowly inserted it into the keyhole and twisted it gently.
With a "click" sound, the old wooden door was instantly opened. Gu Chen dodged. Officer Wang and Officer Ding kicked the door open at the same time, and they rushed in with pistols.
"Don't move!"
"police."
There was a sudden noise in the whole room as everyone broke into the door, but suddenly it quickly became quiet again.
When Gu Chen came to the room, he discovered that a thin man was lying on the ground, with blood all over his body.
The blood that flowed out condensed into a large blood stain on the rough concrete floor, extending to near the door.
It’s no wonder that people who are naturally sensitive to blood still smell the problem immediately.
Because the blood has long since condensed, it spreads in the air, making people feel an unpleasant odor.
Gu Chen quickly put away his equipment and put on white gloves to check the identity of the deceased. At this time, Gu Chen discovered that the deceased was exactly the same as the Zhang Lai who everyone had been looking for in the photo.
The decadent long hair, unshaven beard, and haggard face all basically fit Zhang Lai's characteristics.
In addition, this was the room Zhang Lai rented, so the deceased was undoubtedly Zhang Lai.
Lu Weiwei exhaled heavily and said helplessly: "It's good now, the person has been found, but it's just a corpse."
"How did Zhang Lai die?" Officer Ding curled his lips with the same confusion.
The person who had kept him from eating and sleeping these past few days was finally found, but it was just a corpse, which immediately made Officer Ding feel quite frustrated.
After inspecting Zhang Lai's body, Officer Wang said cautiously: "This kid was stabbed to death with a knife."
"And judging from the current situation, Zhang Lai may have been dead for a long time."
"Where is the administrator?" Gu Chen quickly looked up, looking for the administrator who had just led the way.
He Junchao quickly took a step back and waved to the administrator's mother in the corridor: "Come here quickly."
It was also because she was overly frightened that when she walked to the room, she found a body lying on the ground, so the administrator's mother was also frightened and screamed.
"What...what's going on? Why are there dead people on the ground?"
"Don't be nervous." Gu Chen quickly walked to her side, pointed to the body on the ground and said, "This person is Zhang Lai who lives in your road administration apartment. You don't know him, right?"
"Is...is that guy?" The administrator aunt suddenly swallowed her saliva, quickly walked forward cautiously, bent her body and took a few glances at Zhang Lai's appearance, and then 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 and kicking. Why now..."
Seeing the tragic death of Zhang Lai, the administrator's mother quickly turned around and said, "Oh my God, what a sin. It's not good for him to die anywhere but in our road management apartment. How can I rent this house from now on?"
"
"Let me ask you." Seeing that the administrator's aunt's mood had softened, Gu Chen quickly asked, "When was the last time you saw Zhang Lai?"
"The last...last time? Let me think about it." The administrator's face was stiff at this moment, and she scratched her head with her right hand and thought again and again, and then said: "Yes, I remember, it was three days ago, the last time I saw him
, one morning three days ago, he was in a panic when he came downstairs and bumped into me directly, and I reminded him to be careful when walking."
"I haven't seen him since that time. After all, he is also a new tenant. I don't know him very well and I don't pay much attention to him."
"That is to say, since you met Zhang Lai three days ago, you have never found any trace of Zhang Lai. Then you have not checked these people's rooms?" Officer Wang asked.
The administrator frowned: "Comrade police, all my rooms here have been rented out, so of course I don't need to check. If there are extra rooms and tenants want to come and have a look, I will take them there."
Take a walk upstairs."
"But the key is not to use it. The rent here is very cheap, and most of the tenants are construction workers who come here to stay temporarily."
"So they rent here, I only care about collecting the money, and I don't care about anything else, as long as they don't cause trouble in the apartment."
Lu Weiwei took a general look at the apartment environment at the door, then walked back to the room and said: "This place is equivalent to the dormitory in the old school. I have seen it. The people here live in quite a mixed environment, with many elderly and children.
Crowded into one room."
"That's right." The administrator aunt said quickly: "The location here is actually good, but it is about to be demolished, so the rent here is quite cheap, and there are more people renting here."
"Especially there are a lot of people from out of town. Here in our area, dialects from all over the world are gathered together. It feels like there are people from all over the world. Some people are usually very fierce and scary, so I don't usually go upstairs."
After thinking for a while, the administrator aunt quickly added: "Oh, by the way, there are often fights in the corridors here, which are very noisy."
This chapter is not finished yet, please click on the next page to continue reading the exciting content! "Some people get into fights when they disagree. I heard about one three days ago, but I didn't take it seriously because people here were drunk and fighting.
Quite a few.”
"Did Zhang Lai die three days ago?" Officer Ding suddenly asked.
Gu Chen continued to examine Zhang Lai's body. After repeated searches and verifications, Gu Chen clapped his hands, stood up and said, "The deceased Zhang Lai's death was indeed 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 fingerprints or footprints, and he also took away the murder weapon."
After entering the house, Gu Chen also used his professional observation skills to conduct a detailed inspection of the interior of the house.
Officer Ding asked: "Gu Chen, what is your basis? He died three days ago, is it accurate?"
"Yes, it was three days ago." Gu Chen squatted down, pressed his fingers on Zhang Lai's body a few times, and then said:
"Actually, there are several ways to determine the time of death of a corpse. I learned these from forensic doctor Liu."
"Oh?" Seeing that Gu Chen had confidence in him, He Junchao, who rarely had the opportunity to work with Gu Chen on cases, suddenly became as curious as a primary school monk, so he quickly asked him: "What are the ways?"
"Look at the stiffness of the corpse." Gu Chen pressed his fingers on the corpse again and then said: "Generally, the corpse will become rigid within 30 minutes to 2 hours after death."
"It will be completely stiff between 9 and 12 hours, soften after 30 hours, but return to its original shape after 70 hours."
After thinking about it, Gu Chen added: "Of course, if the body is in soil or water, or under low temperature and dry conditions, it will be delayed, and under high temperature and humidity conditions, it will be accelerated."
"But judging from the weather conditions in the past few days, it seems that the impact will not be significant."
Officer Ding and Officer Wang nodded frequently. He Junchao also agreed, but soon he asked: "It can indeed be judged based on the degree of rigor mortis of the body, but what else?"
"The other thing is to judge based on the temperature of the corpse." Gu Chen stood up directly and said: "Generally speaking, within 10 hours after death, the temperature of the corpse drops by 1 degree Celsius per hour."
"And more than 10 hours after death, the body temperature drops by 0.5 degrees Celsius per hour."
"Another method is to judge based on the purple-red patches that appear on the skin under the body after death, that is, corpse spots."
"The cadaver spots usually appear 2 to 4 hours after death, develop to the highest level after 12 to 14 hours, and become fixed and no longer transfer between 24 and 36 hours."
"So judging from this, the deceased Zhang Lai's death time was at least 36 hours or more. But based on the degree of rigor mortis of the body, I can conclude that his death time should be three days ago, which was the first time we searched for him.
sky."
It was also after listening to Gu Chen's detailed explanation that He Junchao gave a thumbs up in admiration: "It seems that you, Gu Chen, have already thoroughly understood Liu Forensic Doctor's stuff. It turns out that the time of death can be determined based on these things."
"Then since he was killed three days ago, why didn't anyone know about it at the time?" Officer Wang felt a little confused and quickly looked at the administrator.
The administrator was stunned and quickly explained: "Didn't I just say that I only rent and check out the house? There are too many people living here and there are often people who drink and make trouble."
"I have nothing to do. I usually don't go upstairs, and I don't know what happened upstairs, really."
After Lu Weiwei thought for a few seconds, she quickly asked her: "Then, who among you tenants do you think is most likely to do such a thing?"
"This..." The administrator aunt was stunned again. After thinking over and over, she still shook her head: "I'm sorry, comrade police, but I can't say who is most likely."
"The environment here is not good anyway. Foreigners who want to develop in Jiangnan City for a long time will definitely rent a more reliable place."
"Our place is a place where floating people live temporarily. The rent is cheap. After all, the rent of surrounding apartments is several times higher than here."
"So there are everyone, and I don't know these people very well, so I'm sorry, comrade police."
Looking at Zhang Lai's body on the ground, the administrator's aunt wiped her tears immediately: "This child should be quite young. Why is he gone? What do you think this is?"
At this moment, He Junchao seemed to have made some new discoveries on the table. He quickly called everyone: "Look at this quickly."
Gu Chen was the first to come to the table. Zhang Lai's desk was full of manuscript papers, one of which looked like a letter, so Gu Chen took it in his hand and read it softly:
"He's here again, getting closer and closer. Listen, the footsteps, click... click... click..."
Zhang Lai just wrote this line in a scrawled handwriting. When Gu Chen continued to look for other papers, he didn't see the rest of it.
Lu Weiwei was also puzzled. She quickly asked Gu Chen: "This is obvious. It is possible that Zhang Lai knew something, or that before he died, he knew that someone was coming to find him, so he wrote down what he said on the manuscript paper.
Hear it."
"Is this guy writing horror novels?" He Junchao felt very strange, pointing to the text above and said: "Look, although it is just one sentence, it seems like someone is really approaching outside the door."
"Do you think this guy is delusional and mistook the footsteps passing by the door as someone coming to find him?"
Gu Chen shook his head: "I don't think so."
"I don't think so either." Lu Weiwei also said: "What do you think, who wants to stab him? It means you know him."
"Since we know each other, we will definitely come to him, but from this sentence we can see that Zhang Lai obviously knew that someone was coming to find him, so he acted extremely nervous."
"Especially this sentence: He came again. The emphasis is 'again'. What does this mean? It means that this person has already come once."
After listening to Lu Weiwei's analysis, Officer Wang couldn't help but admire him: "It seems that after following Gu Chen for a long time, people will become smarter. Yes, the word 'and' can explain the problem very well. It seems that Zhang Lai has something to tell us."
."
This chapter is not finished yet, please click on the next page to continue reading the exciting content! "He may know the murderer, but judging from the words he left on the manuscript paper, it seems that he is very afraid of the murderer and seems to know this.
People come with bad intentions."
"Senior Brother Wang is right." Gu Chen also took the manuscript paper and looked at it for a long time, then looked up and looked around: "If Zhang Lai intentionally used the words on the manuscript paper to tell us that someone is going to do harm to him, then he must still
There will be other clues left.”
Looking up at the administrator's aunt, Gu Chen asked her: "Auntie, are there any people with limited mobility in your apartment?"
"There is... there is one." The administrator's aunt was also a little curious about Gu Chen's question, but there happened to be such a person in the apartment, so she quickly said: "It seems that his legs were broken with a steel pipe during a group fight.
Yes, I also asked him casually when he moved into the apartment."
"Then he should also live on this floor, right?" Gu Chen asked again.
"Yes, it's not far from here." The administrator's aunt was full of doubts and quickly asked Gu Chen: "How do you know?"
Gu Chen did not answer directly, but continued to ask: "Auntie, let me confirm one more question with you. Does the person with inconvenience live in room 314?"
"Ah?" She was also startled by Gu Chen's speculation. The administrator's aunt was immediately stunned and said at a loss: "You... how did you know? This person with inconvenient legs and feet is really... really
I live in room 314."
Now it was Officer Wang, Officer Lu Weiwei, Officer Ding and He Junchao's turn to be dumbfounded.
Everyone looked surprised, feeling a bit unbelievable.
"Gu... Junior Brother Gu." Lu Weiwei looked straight at Gu Chen and asked him weakly: "This... how do you know this?"
"It's very simple." Gu Chen felt that there was no need to hide it and said directly: "Because you can read the words on his manuscript paper."
Gu Chen pointed to a few of the words and said: "This is actually the note left by Zhang Lai before he died. The sound of footsteps is 'ta...ta...ta'. Judging from this rhythm, it seems that the murderer has difficulty moving. Maybe
He relies on crutches to move."
"That's right." Officer Wang suddenly realized, and he hurriedly said: "We also passed through the corridor just now. On this kind of ground, the footsteps are very small, so how can there be "ta...ta...ta" footsteps? This
It's obviously emitted by other substances, and I agree with what Gu Chen said about the crutch."
"So that's it." Officer Ding also nodded thoughtfully, but soon he asked Gu Chen: "But even if you know that the other person has difficulty with his legs and feet, how did you know that he lives in room 314?"
"Zhang Lai told me." Gu Chen said.
"Zhang...Zhang Lai told you?" Several policemen were confused at the same time. Everyone looked at each other, feeling a little confused.
Gu Chen didn't show any concern, he took a few steps forward and tapped Zhang Lai's arm with his toe: "Look, what does Zhang Lai have under his command?"
"A... 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 a mathematician genius. You can know that from Yuan Shaogang."
"Furthermore, this person is obsessed with mathematics, likes to delve into math problems, and has obsessive-compulsive disorder. Do you think he would draw circles out of boredom before he died?"
Everyone looked at each other and shook their heads.
Gu Chen snapped his fingers and said, "That's right, he doesn't know how. People like him who are obsessed with mathematics are just using circles to tell us where his murderer is."
"Considering his obsession with mathematics, I concluded that he must want to use pi to tell us, and pi is 3.14, so I concluded that the murderer should live in room 314."
Listening to Gu Chen's explanation, everyone seemed to suddenly become enlightened.
Officer Wang stared at Gu Chen's face. He didn't breathe for several seconds. He asked alertly: "So, the murderer is in room 314 right now?"
"Just go and take a look and you'll find out." Gu Chen said.
Officer Ding couldn't wait any longer and immediately patted He Junchao on the shoulder: "He Junchao, let's go take a look."
After saying that, the two of them took the lead and rushed out of Zhang Lai's room.
Room 314 and Zhang Lai's room are on the same corridor.
At this moment, before the administrator's aunt could catch up, the two of them started knocking on the door.
"Who is it?" A rough voice came from inside the house.
He Junchao did not reply and turned to look at the administrator.
The administrator's aunt understood and quickly shouted: "It's me, I'm the administrator, please open the door."
"What are you looking for me for?" The tenants in the house seemed unwilling to open the door and were a little wary.
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