"Lo...Lokar principle?" Gao Desheng was stunned, feeling confused.
To be honest, he had never heard of this thing.
What Gu Chen said made Gao Desheng even more confused.
"Ahem." Officer Wang sitting opposite couldn't help coughing twice, and then said: "Locard's law of material exchange tells us that as long as the criminal commits the crime, he will inevitably have direct or indirect effects on the victim at the crime scene.
The object and its surrounding environment will leave traces behind, consciously or unconsciously.”
Looking up at Gao Desheng, Officer Wang raised his eyebrows and said: "The general view is that 'traces' in a broad sense include material traces and conscious traces."
"Yes." Gu Chen nodded silently and added: "As early as the 1950s, Professor Xu Ligen translated the theory and general methods of the identification of identity of crime countermeasures by the former Soviet scholar Vaiya Korkin.
, all kinds of reflected images can be divided into two major categories."
Yuan Shasha was stunned and quickly asked Gu Chen: "Brother Gu, what are the two categories?"
Gu Chen smiled lightly and said: "The first type of reflected image is the reflected image that is fixed in material, such as handprints, footprints, traces of transportation tools, animal traces, traces of tools and equipment, stamp traces, printed and handwritten text
, photos, etc.”
"The second type of reflected image is the result of a person's sensory perception of the identified object. For example, it is retained in the person who witnessed the crime, and it can also be more appropriately called the 'person who perceives the scene'."
"But in my memory, regarding the specific sensory concepts of the characteristics of people or objects, I think that in addition to the above two traces, there should be a third trace, which is the trace of criminal psychology."
Looking at the trembling Gao Desheng in front of him, Gu Chen added: "The Locard principle tells me that every contact will leave traces, which is very important in the case."
"You Gao Desheng, although you did not leave any fingerprints at the scene, He Ling left a hair in her CD case."
"After we use DNA technology to rule out the possibility that anyone else has been at the scene, you can't prove that you were not at the scene when the crime occurred."
After a pause, Gu Chen continued: "You didn't leave any fingerprints at the scene, at least no fingerprints that we can confirm, but the fingerprints He Ling left on her stolen CD bag are enough to prove that you have
Been to her home."
Continuing to put the various crime tools previously found on Gao Desheng on the table, Gu Chen added: "There are also these crime tools. Don't tell me that you are wearing this kind of hood and holding these door-breaking tools.
Just for a prank? You are clearly looking for targets to commit crimes."
"Comrade police, I..." Gao Desheng was in a panic at this moment and didn't know how to answer.
Gu Chen didn't hold out hope that he would admit it right away, so he added: "Also, we used surveillance equipment. Judging from your activity in Xiaoshan Town in the past few days, it seems that you often wander around He Ling's house, sneaking around.
What do you want to do?"
"It's just stepping on the spot." Officer Wang took a sip of wolfberry tea and said angrily: "You think it's our first day as a police officer? With your behavior, we can know what you want to do at a glance? Are you still pretending to me?
innocent."
"Gao Desheng." Lu Weiwei was also furious and said: "You stole and killed, what else do you have to say? Let me tell you, there is a lot of evidence left on He Ling's body."
"Don't think that we can't detect traces on your body. I advise you to be kind and tell me everything you need to tell me."
Gao Desheng was also panicking at this moment...
He knew that he could not give a reason to defend himself, and that there was no point in resisting. He could only lower his head and admit: "No... yes, I killed that woman, but I didn't mean to kill anyone. I... I was also temporarily
I have bad thoughts and my brain is cramping."
"Speak clearly." Seeing Gao Desheng's incoherent words, Gu Chen raised his head and prompted.
"Comrade police, I... I'm just a thief. I usually steal things. I never thought about killing people. That night, I really didn't know anyone was at home."
"Have you been paying attention to He Ling's family for a long time?" Officer Wang asked.
"It's...it hasn't been a long time." Gao Desheng lowered his head and said truthfully: "When I visited this community before, I found that this house, oh, it is the He Ling's house you are talking about, she is the only one living there.
"
"And the strange thing is that she goes out every night and doesn't come home until very late."
"I guess it's because young people like to hang out in nightclubs and so on. It's normal to come home late, but this gives me enough time, so I feel that I should take advantage of He Ling's absence to do a good job, so
so I……"
When he said this, Gao Desheng's face was full of regret, and he slapped his thigh directly and said: "I was wrong. All the checkpoints were done well. I even arranged a specific escape route."
"The time is also calculated accurately. Based on my observations over the past few days, I chose a very critical and safe time, which is half an hour after He Ling left home."
"But I never expected that just when I pried open the door of He Ling's house and prepared to rob her house, I didn't know what happened, but this woman suddenly returned home again."
Gu Chen frowned, and suddenly felt distressed when he remembered that night when He Ling was persuaded to return by Ding Liang and Huang Zunlong on the road outside the villa.
On the day of co-writing, He Ling went home early because she made this choice after being interrogated by the police.
If judged according to Gao Desheng's normal logic, He Ling should not have returned home at this time, but she happened to show up.
Maybe this is all destined to happen.
Gu Chen raised his head and asked again: "So, He Ling discovered you?"
Gao Desheng nodded first, then shook his head.
"Did you find it? What do you mean by nodding and shaking your head?" Officer Wang also asked in annoyance.
Gao Desheng said weakly: "I didn't notice it at first. I heard that when He Ling came home, I hid in her room to steal."
"But when I heard that she was coming back, I was so scared that I hid under her bed. But then, He Ling didn't go anywhere and just ran to the room."
"She took off her lower clothes and just... lay on the bed and fell asleep."
After a pause, Gao Desheng said again: "But an hour has passed, and I thought to myself, I should fall asleep, right? After all, I dared to steal, so I was blocked in the room. It can only be regarded as a bad start for me."
"So I plan to take the stolen items and leave quietly so that He Ling doesn't find out."
"What happened next?" Gu Chen asked.
"After... then?" Gao Desheng blinked and recalled carefully: "Then I was about to leave, but I stood up and looked at He Ling who had taken off her clothes on the bed. I... I couldn't help but look at it a few more times.
."
"To be honest, her figure is so good that I couldn't help but get closer."
Having said this, Gao Desheng seemed to be still reminiscing about the beauty of that night, but when he found that the police were staring at him, Gao Desheng immediately changed his tone and said:
"Comrade police, I had an idea at the time, but after all, I came to steal things, not to rob S, so I just took a few more glances."
"But I didn't expect that some unlucky grandson drove a trailer by outside the community, and the tire suddenly burst at that time."
"Now it's better. The pet dogs and battery cars in the entire community were shocked and made a noise. At that time, He Ling was so frightened that she opened her eyes suddenly. She saw me standing in front of her."
"Then you are 'so lucky'." Yuan Shasha also snorted coldly, feeling that this guy is really bad at everything and is the unluckiest person.
Gao Desheng nodded and admitted: "Yes, I am quite unlucky. It was like stealing something, but who would have thought that the owner would go home early. I have been observing for several days and there has never been any mention of going home early."
"Forget it, just when I was about to leave the room, the tire burst again, and I was immediately discovered by He Ling."
"Then what?" Officer Wang continued to ask.
"But...then?" Gao Desheng lowered his head and said with some shame: "She wanted to yell at that time, but I was confused for a moment and pushed her down on the bed."
"But I know that I am here to steal, not to rob S. If I break the rules, you police will definitely find traces of me."
"So I just knocked her out and prepared to continue searching for something. After all, this trip is too dangerous and I don't want to return empty-handed."
"But what I didn't expect was that He Ling suddenly woke up while I was stealing and continued to yell."
"That's when I took out the knife and threatened to kill her if she dared to scream again."
After Gu Chen completed these records, he raised his head and asked her: "What was He Ling's reaction?"
"She...she agreed. She didn't dare to shout for help anymore, but I'm worried. I have to keep her within my sight so that I can search for things with peace of mind."
"But after all, He Ling is a big living person and she is difficult to deal with, so I used some ropes that I tore from her home and used local materials to tie her up at the top of the stairs so that she could be within my sight.
."
"Wait a minute." Gu Chen suddenly interrupted Gao Desheng's words and asked, "Were you wearing a hood at the time?"
"Yes, I was indeed wearing a hood at the time." Gao Desheng nodded fiercely and added: "But I have been in contact with her several times in the community, so I was afraid that she would recognize her, so I never dared to take off my hood."
"But when I finished searching for what I wanted and was about to leave, I was afraid that she would call the police immediately after I left, so I thought of covering her eyes so that she didn't know whether I had left or not.
"
"But when I was holding a black cloth to cover He Ling's eyes, she thought I wanted to violate her, so she struggled violently."
"I didn't think too much at the time. I just thought about blindfolding her, sealing her mouth, turning off the lights and giving a few warnings. I guess she would be honest."
"But this was just my idea. It was too difficult to operate. He Ling thought I wanted to violate her, so she resisted fiercely."
"I threatened her with a knife, but she didn't pay attention. She hit my head directly with her head, trying to knock me away. But as I pushed forward, I was not sure of the strength of my hand, and the sharp knife in my hand stabbed me directly.
Go in."
Having said this, Gao Desheng grabbed his scalp with both hands and said regretfully: "I really didn't expect it, I didn't expect it to be like this. Watching the white knife go in and the red knife out, I realized that I was going to be finished. I was scared at the time.
Yes, take the stolen items and leave the scene quickly."
"But I don't know what happened next. It wasn't until tonight that I dared to get out of the RV to see what was going on at He Ling's house."
"I also want to know what happened to He Ling in the end, because I heard that someone died in that community, and I guessed it was He Ling."
"So tonight you want to go to He Ling's community to inquire about the situation?" Gu Chen asked.
Gao Desheng nodded silently: "Yes, I guess I got into a big disaster. I'm afraid. I really didn't mean it. I didn't expect this to be the case."
Looking up at Gu Chen, Gao Desheng said again: "So when I saw your police car on the roadside, I was scared. I felt that you policemen must have come to arrest me, so I... I was scared.
."
"When I saw your police car turning around, I felt that I shouldn't go to He Ling's community anymore. Maybe you policemen were waiting there, so I quickly turned around. I wanted to go back to the RV and hide for a few days."
Looking up at the crowd, Gao Desheng also said helplessly: "But sometimes people are unlucky, and they are unlucky no matter what."
"I stepped out of the RV for the first time after committing the crime, and you caught me on the road and found my fake ID. Why do you think I am so unlucky?"
"It's not that you're unlucky, it's that the French Open is very careful and thorough." Gu Chen directly brought the written transcript to him in person and said, "Sign your name."
…
…
The next morning.
Furong Branch Criminal Investigation Team Three.
After the overnight interrogation last night, Lu Weiwei, Officer Wang and Yuan Shasha were exhausted, and they were also listless during work hours.
On the contrary, only Gu Chen was in high spirits, as if he didn't sleep all night, which didn't matter to him at all.
Although many of the new trainee police officers from the third group have not watched "How the Steel Was Tempered", they know "How the Iron Man Was Tempered" very well.
Gu Chen is an iron man in everyone's mind.
But this kind of iron is not something that everyone can learn overnight.
Gu Chen is rarely seen exercising on a regular basis. Even on the basketball court in the backyard of Furong Branch, Gu Chen is rarely seen.
But even so, Gu Chen's body was as strong as iron. Not only was it getting stronger, it seemed that his muscles had also increased a lot.
Many old comrades from the Furong branch even secretly inquired from the third group, especially Gu Chen's roommates Ding Liang and Huang Zunlong, to see if Gu Chen was secretly taking some muscle-building protein powder.
I'm also thinking of buying the morning formula.
As you can imagine, the answer is of course no.
Gu Chen can grow muscles even by drinking cold water, which is very incomprehensible.
In the office of Group 3, He Junchao couldn't help but asked curiously: "Gu Chen, I heard that you solved the case last night?"
"Yes." Gu Chen nodded silently and was writing the materials.
"That's awesome. In one night, I slept, and you guys got everything done?" He Junchao felt that he was useless again, so he could only say with a frustrated face: "It seems that only the 'Watchmen' case is still alive."
need me."
"It's not necessary anymore." Gu Chen said.
He Junchao was stunned for a moment, then quickly turned around and asked: "You...what did you say? There is no need for the 'Watchman' case anymore? What's the situation? Do you know who the Watchman is?"
"Absolutely." After Gu Chen finished writing his name on the last line of the material report, he put the pen into the pen holder, raised his head and explained to He Junchao:
"We went back to He Ling's house last night and brought back items that we had missed before, including various texts she had written before."
"I don't understand." Of course He Junchao didn't understand what Gu Chen said, and his head was shaking like a rattle.
Lu Weiwei, who was sitting in the front row of Gu Chen, also said like a scumbag in education: "It means that we found the same letter as the threatening letter in He Ling's room."
"Also, we also found the novel manuscripts that He Ling had handwritten on some notebooks. Many of them were written in regular script, which is the same as those in the threatening letters."
"Is there such a thing? She He Ling also writes novel manuscripts by hand? Could it be that she writes horror novels?" He Junchao was also very surprised.
Officer Wang yawned and said, "That's right. This woman actually has a lot of things in her heart. She usually doesn't publish them on social accounts. She writes them down in a diary."
Sitting up straight, Officer Wang said again: "Gu Chen and I found a diary of He Ling last night. Well...it's not really a diary. After all, she writes about her feelings every three or two days, sometimes once a week. We
Let’s consider her weekly diary.”
"Then...what's written there?" After hearing what Officer Wang said, Officer Ding on the side was also very curious.
Gu Chen smiled lightly and said: "What is written in it is the resentment in her heart. She hates her boyfriend Zhang Heng, who is addicted to games all day long and ignores her, and even broke up with her because of games."
"Zhang Heng himself is also a person with a somewhat divided personality. He likes violent and bloody games, and He Ling is also a person who likes to write dark articles."
"It was indeed a good match for the two of them to come together, so He Ling wanted to teach Zhang Heng a lesson. After all, it was Zhang Heng who dumped He Ling, which made He Ling very unhappy."
"So...so, those threatening letters were actually written by He Ling?" He Junchao asked.
Yuan Shasha smiled and said: "Yes, these threatening letters written to He Feng were really written by her."
"Because He Ling knows that if she wants to teach Zhang Heng a lesson, it's not her style to do it directly, so she wants to kill people with a borrowed knife, threaten the newly moved neighbors, and then blame Zhang Heng so that Zhang Heng can eat something.
suffering."
"Since Zhang Heng's game account is 'Watchman', He Ling used this signature to forge a threatening letter. The purpose was to get our police to take control of Zhang Heng who wanted to play dark games and make him grow taller.
memory."
Lu Weiwei also smiled lightly and said: "Yes, who told this Zhang Heng to just play games and not have a girlfriend? He doesn't know that when a woman decides to take revenge on a man, it is very scary, but it is not like spraying it on your luxury car."
"Scumbag" can be solved with two words."
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