Zhang Wei and his entourage walked into the conference room of the Criminal Police Brigade of the Municipal Bureau, which was full of smoke and the fragrance of tea, and a banner was hung on the rostrum, which read, "Warmly welcome the leaders of the provincial department to come and guide the work." Zhang Wei and his entourage took a seat on the rostrum, drank a few sips of tea, and Zhang Wei opened his mouth.

"Comrades of the Municipal Bureau, the provincial department has built a set of the latest monitoring software this year, and after this set of software, our future public security criminal cases will be cut from the historical way of closing the case on the surprise completion of the task indicators during the New Year's holiday."

The crowd below was discussing, and Li Quan, as the captain of the criminal police brigade of the city bureau, asked, "What kind of software is it?" Isn't it complicated to operate? ”

"Let me put it simply, that is, we enter the past cases into this software, and then the software makes a graphical analysis through historical data, so that you can clearly see that the month of the year is the high incidence period of the case, and then through the actual work, the incidence of this case is reduced, so that the average value of the whole year is maintained at the average level, and at the same time, it can also prevent the backlog of cases for ten months, and only complete the case in the last two months, so as to achieve the effect of early warning and performance supervision." Zhang Wei gave a speech.

"Next, let the technicians of our provincial department give you a detailed demonstration of the system." Zhang Wei took a few more sips of tea.

The people below set up the projector and learned about this novelty.

After the meeting, Zhang Wei and Li Quan came to a conference room, and Li Quan came over with a bunch of files, "Director Zhang, this month's cases are here." ”

Zhang Wei opened his mouth, "The leaders above feel that there are a lot of cases that have occurred this month, let me pay attention to it, look at the main structure, I have to submit a report." ”

"That's it, there are indeed a lot of murders this month." Li Quan arranged the dossier in chronological order and handed it to Zhang Wei.

Zhang Wei flipped through two files in a row, both of which were cases in the education district, one was at the beginning of the month, a middle-aged man from an ordinary family disappeared because he had a quarrel with his wife, went out to drink, and did not return, and his body was finally found in the drainage ditch. There was also a young man from an ordinary family who was stabbed to death in his seat on the way home on the bus.

Zhang Wei sped up his reading, and suddenly, the three words of Holy Heaven on the top of the dossier attracted his attention, and he quickly opened the dossier and looked at it, the more he looked at it, the more his brows tightened, and after reading it, he lit a cigarette, hid behind the smoke and asked Li Quan, "This case of Holy Heaven is very evil!" ”

"It's just that this is another inexplicable case." Li Quan also lit a cigarette.

"You report this case, and I will personally follow up and investigate this case." Zhang Wei said.

"Okay, I'll report it right away!"

A day later, Zhang Wei came to Shengtian High School, and the sound of reading echoed throughout the campus. The green poplar smoke is light and cold, and the red apricot branches are full of spring, and the holy paradise is like an isolated island in the red dust, forever pine and green. With the misty smoke soothing the soul wrinkled by reality.

Zhang Wei and his entourage in the school assembly living room and the principal, vice principal, dean, and grade director after a meeting, the two groups of people parted ways, Zhang Wei, accompanied by the grade director, came to the door of the fourth class of high school that was in class, the director of teaching pushed the door and walked in, and after a while, walked out with Luo Xiaoyi.

"Oh, Officer Zhang, hello hello, I haven't seen you for a long time, there's a season, right?" Luo Xiaoyi greeted Zhang Wei.

"It's like, it's a season, and I guess I'll only play once a season." Zhang Wei motioned for Luo Xiaoyi to accompany him alone for a while.

"You'd better come out less, every time you come out, someone will die, and that Edogawa Ke has a fight." Luo Xiaoyi and Zhang Wei strolled under the shade of the trees.

"What about you, I don't think you have appeared much this season?" Zhang Wei asked.

"Me? According to the arrangement of the plot, I am now playing a little boy who has been hit by a broken love, and I am thinking about the various arrangements of fate, and there is a little confusion, a little pain and a little sadness at this stage of my whole life. Luo Xiaoyi talked eloquently.

"And what is your own true inner thought?" Zhang Wei asked.

"Wait a minute, these injuries will be free!" The shadow of the shade of the tree passed quietly on Luo Xiaoyi's face.

"That's good, let's get into our main topic today, how much do you know about Lu Yifan?" Zhang Wei rummaged through his official bag.

"I've heard some, but the details aren't very clear." Luo Xiaoyi replied.

"Let's see." Zhang Wei handed Luo Xiaoyi a dossier.

Luo Xiaoyi and Zhang Wei sat on the edge of the flower bed, opened the file and looked at it, only to see that it was written:

Victim: Lu Yifan

Gender: Male

Age: 16

Details of the case: At about 12 noon on May 8, 2000, several students from Room 444 of Building 1 of the Holy Heaven Boys' Dormitory returned to the dormitory. After opening the door and entering, the scene in front of them shocked everyone. Walking into the main house, the fluorescent lights were on at noon, and the room was in a mess, and everyone's clothes were thrown everywhere. Everyone's roommate Lu Yifan was wearing a red skirt, with white flowers pinned to the skirt, his hands and feet were tied with ropes, and a large scale was hung between his feet, his hands were tied and hung on the heating pipes in the house, his feet were a few centimeters off the ground, and the desk next to him was overturned to the ground, Lu Yifan was cold and dead.

"What's the new idea?" Zhang Wei looked at Luo Xiaoyi, whose eyebrows were locked, and asked.

"I'm a little impressed with this guy." Luo Xiaoyi closed the file.

"Talk about it"

"Study well, often use your own non-existent ability to express yourself, a little sassy, no woman's popularity." Luo Xiaoyi looked up at the blue sky and white clouds.

"Can you find it out this time?" Zhang Wei asked.

"It's hard." Luo Xiaoyi said.

"I need you to do something." Zhang Wei's tone was firm.

"Yes, it's just three things, it's time to investigate." Luo Xiaoyi replied.

Zhang Wei patted Luo Xiaoyi's shoulder vigorously and said goodbye first.

Zhang Wei returned to the provincial department and held a special meeting on Lu Yifan's case, at which it was determined that this case was a 5-9 major case.

"The autopsy report has been brought up?" Zhang Wei began to comb.

"It's been transferred, and a second autopsy is being prepared," a police officer replied.

"The report of the on-site investigation is out?"

"Hey, Director Zhang, I just happened to have something in the house in the past two days, and I haven't gone yet." A police officer laughed with him.

"What do you want? I didn't wake up! Zhang Wei glared angrily.

"Yes, yes, I'll go as soon as the meeting is over." The officer nodded.

Zhang Wei glared at the police officer for a while and shifted his gaze. "Your second autopsy, call Forensic Doctor Zhang of the City Bureau, this old brother has enough experience, you must carefully compare to determine whether the initial identification results are true."

The police officer at the bottom chattered.

"Your social relationship investigation group, you must immediately start to investigate Lu Yifan's social relations in depth, from relatives to classmates, any potential social relationship points must not be missed." Zhang Wei's eyes were blazing.

The police officer at the bottom chattered.

"When sorting out the relationship between the school, I always found a male doll in the fourth class of high school to communicate and confirm, his name is Luo Xiaoyi, and he is the male doll I found in the morning."

"Oh," the officer at the bottom chirped.

After Zhang Wei arranged again, his eyes turned a few times, he thought about it for a while, and then opened his mouth, "When is the second autopsy?" ”

"The corpse is being transferred out and going through the formalities, why is it until tomorrow." The officer below replied.

"I'll go when the time comes." Zhang Wei nodded firmly.

The dormitories of Holy Heaven High School stood in rows behind the school's East Water Room, walking through the tree-shaded road, the bustling dormitory buildings appeared in front of Luo Xiaoyi, when the sunset was infinitely good, but it was nearly dusk, several dormitory buildings were embraced by the afterglow of the sunset, and the various figures in the corridor overlapped, with a golden halo, painted into a peaceful and peaceful picture.

Luo Xiaoyi came to the corridor of the No. 1 boys' dormitory building, climbed the stairs, came to the 444 dormitory, pushed the door in, but the building was already empty, the lonely window shot red light, and the orange brilliance rose in the empty room, like an orange flowing in two halves with a strange atmosphere.

Luo Xiaoyi's eyes began to search from the highest heating iron pipe, the silver scale paint on the iron pipe had receded little by little, leaving only the mottled rust surface and the faded and yellowed walls overlapping with golden light and shadow. The fluorescent lamps hummed, and the aluminum shades on the tubes were shaking thick layers of dust at frequencies invisible to the naked eye. His gaze fell from the fluorescent lamp and scanned the rest of the room.

Turned over to the desk on the ground and lay quietly on the ground, the used textbooks and homework books spit out from his stomach, "Strange Tales from Liaozhai" were scattered all over the place, and Lu Yifan's bed left two packs of instant noodles, one empty and one full. Electronic watches, school bags, calculators, English tapes and other items were also left on the bed.

Luo Xiaoyi took out a few photos of the scene on the file, and carefully compared them with the current situation, all the scenes were consistent with what he saw in the real space, but he always felt that something was different.

was contemplating and thinking, a fragrant wind came from behind, and when he turned his head, a girl with hair wrapped around her white and beautiful cheeks appeared behind her, it was Zheng Jianan.

"Coming?" Luo Xiaoyi nodded at Zheng Jianan.

"You...... What are you doing here? Zheng Jiannan asked generously.

"Same purpose as you."

"You are resurrected, tell me what you have discovered." Zheng Jianan's eyes sparkled.

Luo Xiaoyi jumped on the table with his hands dexterously, touched the fluorescent tube with his hand, and the dust brought out fell little by little, Luo Xiaoyi jumped down and shook the object in his hand at Zheng Jianan, the two of them got closer to observe, only to see a red page on a yellow background, which read:

Love the heavens, the sea, the fantasy love body, the love will meet the main masturbation.

The ramblings are all glorious, and the beginning of the provocation is really peaceful

The two looked at each other and frowned.

"How did you find this?" Zheng Jiannan asked.

"Here's the picture." Luo Xiaoyi handed Zheng Jiannan a photo.

"Look here." Luo Xiaoyi pointed to the daylight on the photo.

I saw that there was a bump hidden under the thick dust, which was presented at a 45-degree angle on the photo.

Zheng Jianan stared at Luo Xiaoyi with sparkling eyes.

"It's the opposite of what it looks like in reality, it's a matter of the angle, and it proves that there's something in it." Luo Xiaoyi replied.

Zheng Jianan nodded and looked at the note carefully.

"Recognize?" Luo Xiaoyi asked.

"Looking at the words and sentences, it looks like a judgment, but this talisman page is a talisman material of the Taoist sect." Zheng Jiannan replied.

"What kind of faction?"

"Universal Runes."

The two were silent for a moment.

"Do you want to go?" Luo Xiaoyi asked.

"Okay, let's go" Zheng Jianan turned around and went out and walked in front of Luo Xiaoyi.

Luo Xiaoyi looked at Zheng Jianan, bathed in soft light, snuggled on the railing and turned his head to himself with a sweet smile, like the center of the focal length in a photo, the background behind him is the big playground in the golden space, and the extended light around the big playground stretches this freeze-frame picture very long, flying cars, wide asphalt roads, and thousands of vast buildings unfold endlessly, all the way to the end of the world. The center of this world is Zheng Jianan.

For a moment, the strings in Luo Xiaoyi's heart moved.

The world with Zheng Jiannan is a hope that is different from the real world.

"Oh, Dr. Wang Hui, hello, hello." Zhang Wei walked into a huge American-style office.

"Director Zhang, here, sit down, sit down, what kind of tea are you drinking?" A tall and slender middle-aged woman with outstanding temperament greeted Zhang Wei.

The two sat down, and Zhang Wei opened his mouth, "Dr. Wang is an expert on our youth issues, and his academic attainments have long been famous. ”

Dr. Wang was unfazed and began to pour back and forth the kung fu tea set on the table between the two.

"I'm here to ask about teenagers...... This ......" Zhang Wei blushed.

"Masturbation and dangerous maneuvers." Dr. Wang was generous.

"Haha, yes, yes." Zhang Wei picked up the teacup.

"At present, there are more than 300 million adolescents in adolescence in China, and about 20 million adolescents enter sexual maturity every year. In the 90s of the 20th century, the sexual maturity of adolescents in China was generally advanced. The average age of boys for the first **** is fourteen and four or three years, one and two years earlier than in the sixties, respectively. The average age of psychological experiences such as caring for ****, sexual impulse, ****, sexual dreams and wanting to contact the body of the opposite sex is between 14 and 16 years old, and there is a tendency to fall in love, date, hug, kiss, caress and even **** at a younger age. Director Zhang, you drink tea, this is Assam black tea in India, taste it. Dr. Wang greeted warmly.

"Oh, yes, yes," Zhang Wei nodded repeatedly.

"This, frankly speaking, there is basically no universal education in this area in my country, and the dolls are very precocious now, and the technical sources in this regard mainly come from, a large number of **** video products and a large number of pornographic books in third countries, which are mixed with a large number of dangerous ****** and misleading ways of action." Dr. Wang calmly took a sip of black tea.

"This, will there be a weirder way to masturbate?" Zhang Wei asked.

"Yes, I happen to have the latest report from abroad, mainly based on the Czech composer František? Kozwara, the case of death caused by the use of dangerous masturbation methods, and the academic report that resulted in a new pattern of risky sexual behavior, I will give you a take. ”

"First thank you for inviting me to dinner, and then what are you going to tell me?" On the way out of school, Luo Xiaoyi asked Zheng Jianan.

Zheng Jianan looked up at Luo Xiaoyi, and a gentle smile always hung on his lips, "I have more discoveries about Lu Yifan." I'd like to talk to you about it. ”

"Well, this ...... Why do you want to talk to me? Luo Xiaoyi turned around suddenly, and found that the men and women of the entire grade, looking at all the movements of the two, saw Luo Xiaoyi's gaze turning, and immediately pretended that nothing had happened, looked up at the sky, and looked down at the ants.

"Because you are the one who really cares about this matter, and you are the only one who has someone else in your heart." Zheng Jianan said in a firm tone.

"I ...... Your analysis is still very accurate. Where are we going to eat? Luo Xiaoyi stretched out comfortably, and a rare smile hung on the corner of his mouth.

The two of them escaped from the army and found the latest and most expensive dry sauce spicy restaurant, and when Luo Xiaoyi went out to buy two flatbreads and came in, the dishes happened to be scalded out of the pot, and the two of them were bored, and for five minutes, no one spoke.

Waiting for the stomach to be full, Zheng Jianan's beautiful face climbed up with two red clouds, drinking Chunjian tea, and digesting the spicy taste on the tip of his tongue.

"Well, this is a murder case, and someone from our Taoist sect did it." Zheng Jiannan said lightly.

Luo Xiaoyi's face tightened, and he looked at Zheng Jianan's eyes carefully.

"If you want to know whether someone killed Lu Yifan, the easiest way is to summon spirits, summon Lu Yifan's ghost to ask, but ...... What kind of Coke do you drink, Pepsi is still delicious" Zheng Jiannan seems to be spicy and can't stand it.

"I ...... Delicious. Luo Xiaoyi replied.

Zheng Jiannan trotted out to buy two bottles of Coca-Cola and came in, and the two of them poured it violently, accompanied by a long Coke burp, and the spicy taste was finally eliminated by half.

"It's just that he can't attract his ghost at all, and it is said that he didn't enter reincarnation so quickly, so there is only one possibility."

Luo Xiaoyi listened carefully.

"It's just that the soul is scattered, and the god form is gone." Zheng Jiannan concluded.

"You're saying that someone killed him and destroyed his soul as well?" Luo Xiaoyi asked.

"Hmm."

"Who did he mess with?"

Zheng Jiannan sighed imperceptibly, "Maoshan Technique: Splitting Needle, Soul Locking Red Clothes, Soul Falling Stone"

"Three Souls Package?" Luo Xiaoyi looked puzzled.

"Here, this is my report to the sect, you can see it by looking at it." Zheng Jiannan took out a few old-fashioned vertical manuscript papers from his schoolbag and handed them to Luo Xiaoyi, and the fly-headed small block came into Luo Xiaoyi's eyes, that is, the fonts were written vertically, and he had to look from right to left, Luo Xiaoyi looked at it for a while before he got used to it, and saw it written:

The caster subdued the boy, dressed him in a red soul-locking robe, and tied a soul-falling stone, which is called soul retention. Then kill the boy and stab him in the top of his head with a soul splitting needle, which is a soul pour.

The caster dressed the boy in a red dress and used a soul splitting needle on the top of his head to dissipate the soul. But if you just have a deep hatred with the other party and want to scatter their souls, then why do you need to add the Falling Soul Tuo and the Soul Attracting White Flower. This may seem paradoxical. If you want to scatter its soul and stop troublesome with the murderer, then isn't it asking for trouble to turn it into a ghost?

Therefore, the caster put on a red dress for the boy to scatter the soul, so as not to scatter the soul and cannot be refined, so he added the falling soul to the foot, which was made of iron, and the iron could not penetrate yin and yang, and the soul that fell on the foot could not travel far, and could only wander near the place of death. Then use the soul splitting needle to disperse the other souls of the boy from the forehead, and only draw out the spirit of his Yang or Yin to Yang spirit from the soul attraction flower on his chest. This can explain these contradictory practices of the murderers.

Therefore, ordinary people in the door can't understand it. The implementer of the law does not simply want to disperse his soul to take revenge or something, nor does he simply want to raise powerful ghosts, but has a deeper intention, so there is only one explanation:

"What's the explanation?" Luo Xiaoyi raised his head and asked.

Zheng Jiannan was looking at Luo Xiaoyi in a daze, and was awakened from his dream with a sudden shock, and his cheeks turned crimson. Pressed his heartbeat and replied, "Raise a little ghost, a little ghost in red." ”

"What's that? Is Red Child's younger brother? Luo Xiaoyi deliberately made a stupid expression to defuse the awkward atmosphere.

"The red-clothed imp is the most powerful ghost, and the person this spellcaster is going to deal with must be very powerful or extraordinary. If someone died mysteriously shortly thereafter, it must have something to do with it. If nothing else happens after someone dies mysteriously, the case is difficult to solve, and even if someone is caught, it may not be the real murderer. If the situation is calm after that, and no one dies mysteriously, then this matter will not be so simple. Zheng Jiannan replied.

“…… Do you have any popular Taoist readings to read to me, you have too much information. Luo Xiaoyi plucked his head.

"Hehe, if the law is not passed on to the six ears, if you are not a person in the Daomen, you will not understand the secret method of the Daomen at all." Zheng Jianan's face was colorful.

Luo Xiaoyi's eyes suddenly jumped, and he glanced at Zheng Jiannan unfathomably.

"What's the matter, if you don't understand anything, you can come and ask me." Zheng Jiannan was taken aback.

"Really? I really have a question for you right now. Luo Xiaoyi's eyes were gloomy.

"You say."

"It is not mentioned in the photos or reports that Lu Yifan's head was pierced by a needle, how do you know that he was used a needle?"

Early the next morning

"Oh, Dr. Wang, I'm going to be in the dissection room soon, do you want to come back?" Zhang Wei, who was wearing a white coat and a mask, said to Dr. Wang Hui, who found him.

"I just want to know if Lu Yifan has the same cause of death as I speculated, which is also very helpful for my research." Dr. Wang gets straight to the point.

"No problem, I'll be the first to inform you of the results after the second autopsy." Zhang Wei replied.

"I'll be waiting for you in the office." Dr. Wang said.

Zhang Wei nodded, and a large group of people walked into the dissection room

Lu Yifan lay quietly on the cold iron bed, and several shocking sutures were left by the disembowelment during the first autopsy. The whole corpse was cold and iron-blue, like an emotionless cement pipe, but the face that slept peacefully reminded him that he was still a young boy before his death.

Zhang Wei said a few words to Forensic Doctor Zhang, and the second autopsy officially began.

Three hours later.

Zhang Wei took off his white coat and walked into the office, and Dr. Wang greeted him eagerly, "How is it, there is a result?" ”

"Yes, the same as the first autopsy." Zhang Wei carefully smeared soap on his hands and wrists, and began to wash his hands in the sink seriously.

The two talked for another half hour.

"Can you tell me more information in the future?" Dr. Wang got up to take his leave.

"No problem, I'll ask you for advice in the future." Zhang Wei dried his hands with a towel, sent Dr. Wang to the staircase, returned to the office alone, sighed imperceptibly, walked to the sink, picked up soap, and began to carefully apply it to his hands and wrists.

After going to school that afternoon, Zhang Wei and his entourage came to Shengtian High School, and called Luo Xiaoyi out of class, Zhang Wei spit out clouds and fog to Luo Xiaoyi for a while, and when class ended, Luo Xiaoyi gathered all the people in Lu Yifan's dormitory.

"Oh, Brother Luo, what's the matter, you arrange." Several people nodded their heads and smiled.

Luo Xiaoyi glanced at everyone with a faint look, and everyone who looked at it was short and silent.

"What you do, the public knows." Luo Xiaoyi said in a low voice.

"What...... What's the matter. What did we do? Everyone looked at each other.

"Don't pretend to me, you are guilty of destroying the scene and hiding evidence, and at worst, you are malicious instigation and causing death." Luo Xiaoyi said coldly.

Everyone thundered like five thunders, and the two forces trembled, standing in place.

"I told the public, your behavior is just a normal manifestation of fear, the public will give you one last chance, now follow me to explain the matter honestly, I will not talk to any teachers and other students about this matter." Luo Xiaoyi is righteous.

Everyone followed Luo Xiaoyi to the school reception room like an eggplant, and Zhang Wei and others were already waiting inside, and everyone didn't say much and began to record confessions.

The afternoon passed quickly.

Luo Xiaoyi, who was playing basketball, was summoned back to the conference room, and the other police officers were carefully comparing confessions, Zhang Wei called Luo Xiaoyi to a small conference room and handed him a bunch of manuscripts "Take a look"

Luo Xiaoyi's result manuscript, looked at it, and saw that it was written:

The report on the closure of the case of Lu Yifan, a student of School X, is as follows:

Cause of death: sexual asphyxia

Whether he kills: No

The inferences and evidence support the following:

1. Sexual asphyxia (***-associatedasphyxia) refers to a type of sexual psychological or sexual behavior disorder of people using the method of asphyxia to engage in sexual activities, the parties are mostly in remote and hidden places in a strange and active way of asphyxia to cause hypoxia, so as to stimulate their ****, enhance their sexual pleasure and achieve **. The usual behavior is to be alone in a remote and hidden place, using ropes, stockings, scarves, ties, belts, headscarves and other hangings, or covering the mouth and nose with rubber bags, plastic bags, face masks, etc., to cause a state of suffocation, in order to achieve sexual satisfaction. It is a relatively rare form of sexual perversion, also known as "erotic masochism".

2. Forensic identification

1. Multi-lineage young males with a history of sexual perversion

Note: It mostly occurs in introverted and taciturn young men, mostly between the ages of 18~35. The victim, Lu Yifan, was usually silent, but after his roommate supplemented his confession, it was determined that he had a tendency to masturbate in a bad way, although his age did not match the general age, but now the development of adolescents is generally advanced, and sexual awakening is at the age of 14:43. The victim, Lu Yifan, is 16 years old and meets the above requirements.

2. Hidden places

Note: The victim, Lu Yifan, returned to school on the last day of the May Day Golden Week holiday and chose a separate dormitory where no other students stayed in, which met the definition of intentionally choosing a hidden place.

3. ** or semi **, dressed up as the opposite sex.

Note: Through the female clothing and articles worn by the victim Lu Yifan at the time of his death, they meet the definition of this article above.

4. There are pornographic materials or female products (pay attention to family members and friends often cover up)

Note: During the first on-site investigation, no **** publications and video products were found, and the rest of the roommates were questioned again and it was determined that everyone in their dormitory jointly owned a large number of **** publications, including "******" and "Boys and Girls", and there were several sets of women's underwear items. Because he was worried about being dealt with by the school, his roommate hid all the publications and women's underwear after the incident, and all of them have now been returned.

5. Protective measures and methods such as hanging, binding, electric shock, wrapping, etc.

Note: When the victim Lu Yifan died, his feet were firmly tied with ropes, and a large weighing stone was hung between his feet. Meets the definition of this section.

6. No evidence of suicide or homicide.

Notes: 1. Distinguish suicide

Death by sexual asphyxiation can easily be mistaken for suicide, but this is fundamentally different from suicide because the person subjectively hopes to obtain sexual pleasure rather than end his or her own life. Thus, the mode of death of sexual asphyxia is accidental death. Death by sexual asphyxiation has different characteristics from death by suicide in terms of both the method of asphyxia and the on-site environment.

Most people with sexual asphyxia choose plastic bag pullovers, stocking pullovers, rope strangulation or hanging, or several methods together to achieve the effect of suffocation. However, for safety reasons, the person concerned often has a relief measure, the knot will not be killed, and the rope will not be tightened, so that after achieving sexual pleasure, it can be relieved in time and stop the suffocation behavior. And suicides never leave themselves room and often set up suffocation measures that are fatal.

In addition, people with sexual asphyxia often tie their hands, feet, or bodies for greater sexual pleasure, and suicide people usually don't behave like this.

Judging from the scene, people with sexual asphyxia are often unwilling to be disturbed by others, nor do they want others to discover their abnormal sexual psychology and behavior, so they often choose remote and hidden places. At the scene, it can be seen that the parties used to stimulate the desire of the opposite sex, underwear, stockings, cosmetics and pornographic books, etc., and even wore clothes of the opposite sex or dressed themselves as the opposite sex. This scene and the deceased's behavior in disguise are not consistent with the suicide's mentality and behavior.

Note: 2. Distinguish between other kills

Since sexual asphyxia mostly occurs in remote and inaccessible places, and the person concerned can see both restraint and asphyxiation measures, it must be distinguished from camouflaged asphyxia after homicide:

Others who kill others may have resistance injuries, electrical spots, or other fresh mechanical injuries. After two autopsies, no mechanical injuries were found.

For people who have been strangled or hanged after coma, a short-term poison test can detect residues of sedative-hypnotic drugs, drugs, alcohol and other drugs in the blood, so as to distinguish asphyxia. After two dissections, no other toxic impurities were found.

Although the death of sexual asphyxiation can be seen as "tied with five flowers", it is different from other people's binding, the rope and knots are looser, and the knots can be formed by the parties themselves. The ropes and knots of the slain are tighter, and the knots are different from sexual asphyxiation, and the deceased cannot form them on his own. The characteristics of ropes and knots are an important difference between camouflaged asphyxiation and sexual suffocation death after he kills death. After on-site investigation, the victim Lu Yifan's knot was found to have no signs of external force completion, which belonged to self-binding.

He killed the dead, and traces of fighting, turning, and forcible destruction of doors and windows can be seen at the scene. The scene of sexual asphyxiation was calm and neat, and various items related to stimulation such as underwear, stockings, and books and periodicals of the opposite sex could be seen, and the deceased could be seen in strange clothes. The characteristic of the on-site anomaly is that he is the most important difference between camouflaged asphyxiation and sexual asphyxiation death after killing him, and it is also the biggest feature of sexual asphyxiation death. According to the second confession of his roommate, the destruction of the crime scene was mainly caused by their hiding **** items, which can be completely distinguished from homicide.

To sum up, the victim Lu Yifan was misled by **** publications and imitated a very dangerous way of masturbation, and finally operated improperly, resulting in death.

The case ruled out homicide, suicide. Defined as sexual asphyxia.

Luo Xiaoyi finished reading the information, sighed, and looked at Zhang Wei.

"What did you find?" Zhang Wei asked.

"You'd better close the case like this." Luo Xiaoyi replied expressionlessly.

"Let's go, after school, I'll treat you to dinner." Zhang Wei stood up and began to clean up.

The two got on Zhang Wei's Toyota cruiser parked in front of the school. Zhang Wei didn't speak, turned the steering wheel, and the cruiser opened up the Yellow River style line after a while, and the surging Yellow River flowed eastward, unchanged for eternity. Neither of the men in the car spoke. Zhang Wei stopped the car on an uninhabited section of the road, opened the window, and the roaring water of the Yellow River filled the carriage, driving the flow of air.

Zhang Wei and Luo Xiaoyi looked at each other, and said in unison, "Why didn't you mention Lu Yifan's forehead needle?" ”

There was silence.

"That's all I can do to close the case. Our power cannot penetrate into this uncharted territory. Zhang Wei looked out the window at the Yellow River. Light a cigarette.

"I can't find out who has the power to do this." Luo Xiaoyi replied.

There was silence.

"So be it, I'll close the case." Zhang Wei said firmly. He took a few puffs of his cigarette.

Luo Xiaoyi nodded.

"Luo Xiaoyi, don't let your classmates die in vain every time!" Zhang Wei snuffed out the cigarette butt fiercely.

"I told you, it's not more than three!" A raging flame burned in Luo Xiaoyi's eyes.

That same evening.

Luo Xiaoyi replied to Zheng Jianan's page, and Zheng Jianan's gentle voice came, "What did the public say?" ”

"The public said let's take care of it ourselves!" Luo Xiaoyi said in a low voice.

"I see, I'll investigate that person as soon as possible." Zheng Jianan said seriously.

"I'm afraid you're really going to have to hold on!" Luo Xiaoyi had a fire in his eyes.