Autumn Tiger is powerful.
At the end of August, the sky is hot again, and the sun at noon is like a poisonous scorpion that has been lurking in the distance, you think there is no danger, but as soon as you go out, it will not hesitate to sting you.
The mosquito seemed to know that his life was about to be lost, and the toxicity became more and more ferocious, Yan Sixian was accidentally bitten twice, and two jujube-sized bags were swollen on his arm, Wu Duan once thought that he was involved in the brawl, and received Yan Sixian's contempt: "Team Wu, you move your prostate and think about it, do I look like a person who was beaten?"
Wu Duan: "" The two waited for someone in a bubble tea shop, waiting for Xiong Ruirui's pen pal.
The milk tea shop near the school is not an authentic milk tea made of milk and black tea, but a sweet and greasy milk tea blended with creamer.
After waiting for about 20 minutes, a boy appeared in the bubble tea shop.
He was not tall, less than 170 years old, skinny, wearing a camouflage uniform and carrying a black backpack.
The students from the surrounding schools were all in military training, so there was only Wu Duan at the table of guests in the bubble tea shop at the moment, and the boy only hesitated for a moment, and then walked towards the two.
The two also stood up, and Wu Duan said, "Han Bing" The boy nodded, and did not sit down according to Wu Duan's greeting, but asked a little uncomfortably: "Are you really a policeman, can I see your documents?"
Wu Duan showed his police officer card, and the boy stepped forward to take a closer look at the seal on the police officer card.
This made Wu Duan begin to believe in the family environment mentioned in the boy's letter, because of the relationship between his parents, he should have had experience in dealing with the police. didn't see any clues from the police officer's card, and Han Bing finally sat down.
Yan Sixian handed him the drink list and asked, "What are you drinking?"
Han Bing waved his hand, "No need, if you have anything to say, just say it quickly, I only asked the instructor for an hour off." ” Wu Duan took out a letter found from Xiong Ruirui's house, "About the girl who wrote to you." ” Han Bing was stunned.
Obviously, he didn't expect that the police came to him because of Xiong Ruirui.
"What's wrong with her," Han Bing said.
Wu Duan didn't answer him, but explained first: "I'm sorry, our behavior may be a bit presumptuous for you, I found your contact information based on the name of the school class on the letter and the homeroom teacher I contacted."
I saw that in your last letter, you gave her your mobile phone number, and made an appointment to meet in Mocheng after the start of school, you are for her to be admitted to the junior college in Mocheng, so, have you met?"
"Not yet, but," the boy hesitated, "I know she started school yesterday, and they started later than me, so she will contact me in the next two days." ” Wu Duan glanced at Han Bing deeply, and saw that the other party was inexplicable.
"What's wrong with her?"
Han Bing asked again.
Wu Duan said: "That means that up to now, your contact is limited to writing letters."
"Yes."
"Uh, in addition to writing letters, such as mobile phone communication" "Not once, I didn't ask her for a way of communication, I just wanted to give her freedom, and the time we met was set by her."
Yan Sixian lowered his head to hide the meaning of "Little brother, you are single" in his eyes.
"The letter she wrote to you, did you bring it to Mocheng?"
Wu Duan asked again "Hmm."
"Is it convenient to show us?"
Han Bing still wanted to ask, but he was more observant than children of the same age, and seemed to know the police's routines, so he finally endured it and said, "Then you can go back to school with me to get it, believe me in the dormitory." ” "Okay."
Mexican City Bureau, Conference Room.
The air conditioner was turned on to the maximum, but it still couldn't suppress the heat in the hearts of the criminal police.
Wu Duan sat on the main seat of the oval conference table and said to Mink Fang: "Let's talk about it first, what did the autopsy find." ” Mink Fang distributed the autopsy report to the attendees.
"The deceased Xiong Ruirui, 18 years old, died of suffocation of vomit caused by excessive use of sleeping pillsThe deceased suffered from stomach irritation after taking sleeping pills, which caused vomiting, and in a state of semi-sleep, vomit was inhaled into the nasal cavity and lungs, obstructing breathing, and eventually leading to mechanical asphyxia.
Judging by the stomach contents, the time of death was between 22:00 and 23:00 on the evening of August 19.
Except for a cigarette scar on the sole of his right foot and a minor restraint wound on his wrist, there were no other injuries on the corpse, and there were no abnormalities in the internal organs.
I would like to emphasize that there is no living reaction to the burns of the cigarette scar, indicating that the killer branded Xiong Ruirui with the cigarette scar after her death, which is different from the modus operandi of previous serial homicides.
Xiong Ruirui was not abused before her death, at least not physically, and there is no sign of sexual abuse. ” A criminal policeman raised his hand and asked, "Does this mean that the murderer who killed Xiong Ruirui is not a smoke scar?"
This is the question that the criminal police have thought about the most since receiving the case.
Whether or not the cases should be merged plays a decisive role in the direction of the investigation of the case.
Wu Duan said: "The previous case of cigarette scars, let's put it aside first, and only investigate the case of Xiong Ruirui for the time being." ” Although this answer did not say anything to death, everyone basically understood what was going on.
Wu Duan pointed to a paragraph on the autopsy report and said to Mink Fang: "You have a bunch of professional terms, and you have added bold, what do you mean?"
Mink Fang said: "It is difficult to find traces of the murderer from the corpse alone, the murderer committed the crime cleanly, planned carefully, and left no clues.
However, the sleeping pill ingredients are worth noting.
The sleeping pill used by the murderer is chlordiazepoxide, also known as diazepoxide, which is a commonly used anti-anxiety treatment drug" "Anti-anxiety" Wu Duan continued: "You mean, the drugs that are often used by the mentally ill" "That's right."
Wu Duan turned to Feng Xiaoxiang, and before he could speak, Feng Xiaoxiang said: "I know, check the medical records of the deceased's sister-in-law to see what drugs she has prescribed."
As she spoke, Feng Xiaoxiang tapped on the keyboard of her laptop, and soon the result was available.
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"Li Jieyu, the sister-in-law of the deceased Xiong Ruirui, was sent to Mocheng Psychiatric Hospital for treatment half a year ago because of anxiety and mania, and her condition was controlled three months ago, and she was taken out by her family, although she was discharged, she needed to take medication for a long time, chlordiazepoxide is her usual medicine, and the dose prescribed to her by the hospital in these three months is enough for 200 tablets."
Wu Duan immediately arranged work and said: "Qian Yunliang, take someone to visit Li Jieyu's house, be sure to find out if she has taken her medicine on time, and if she doesn't take it on time, where did the medicine go?"
"Good" Qian Yun highlighted the two criminal policemen in this group and hurriedly walked out of the conference room.
Feng Xiaoxiang continued: "There is no progress on my side for the time being. ” This surprised everyone present.
Feng Xiaoxiang can be said to be the most efficient criminal policeman in the criminal investigation team, most of the time she does things quietly, looking for clues to check evidence or something, but this time there is no progress.
Wu Duan gave her a "specific" look, and Feng Xiaoxiang said helplessly: "In Xiong Ruirui's mobile phone, whether it is phone text message communication, or social software communication, it is very normal, but it is just a topic that children often talk about, chasing books, dramas, chasing anime, etc., and then watching comic exhibitions, drawing, scolding teachers, etc., in short, there is nothing abnormal."
As for Xiong Ruirui's activity trajectory on the day of the crime, I found through monitoring here that at 1:45 p.m. on August 19, Xiong Ruirui walked out of the main entrance of the school, and then walked east along Xuefu Road and turned onto Jinhua Road, but because the Jinhua Road section is relatively old, there are few road monitoring probes.
The last surveillance spot where she appeared was about 500 meters away from the alley where she was killed, so it is impossible to estimate exactly when Xiong Ruirui turned into the fork in the alley. ” There was a brief silence in the conference room, and for a moment everyone could not figure out the direction of the next investigation of the case.
Yan Sixian said suddenly: "Show me the monitoring." ” Feng Xiaoxiang immediately put on the projection, Yan Sixian didn't say anything about looking at the specific part of the surveillance, so she put the section at the school gate.
In the surveillance, Xiong Ruirui walked out of the school gate alone at noon on the 19th.
On the first day of school, there are people coming and going at the school gate, and the sight is not good.
Yan Sixian kept staring at Xiong Ruirui in the surveillance until her figure disappeared.
"She's been looking at her phone on the ground."
Yan Sixian said.
"Well," Feng Xiaoxiang emphasized again: "I thought she had made a date, but" "She's navigating."
Yan Sixian said, "She is not familiar with the terrain of Mocheng, and after leaving the school, no matter where the destination is, using the map software on her mobile phone to guide the way is the first choice." ” Feng Xiaoxiang was stunned, and immediately crackled on the keyboard again.
"It's out" Everyone looked at Feng Xiaoxiang with blank eyes.
"It's an internet café.
Xiong Ruirui navigated to an Internet café, right in the alley where she died. ” Yan Sixian operated in his mobile phone map software for a while, and said: "Xiong Ruirui's school is in a university town, and there are countless Internet cafes nearby, is it necessary to run so far?"
After thinking for a moment, Yan Sixian asked again: "Did you find any suspicious people in the video, such as stalking Xiong Ruirui?"
Feng Xiaoxiang shook her head, "No, I and the three colleagues of the graphic investigation team went through Xiong Ruirui's whereabouts after arriving in Mocheng, and I didn't find anyone following them, but after all, it was just in time for the school to start, and there were a lot of people in the university town, and it was very chaotic, and it was almost impossible to use video to check the tracker." ” "Understood."
Yan Sixian turned to Wu Duan and said, "It seems that it is necessary to go to Xiong Ruirui's navigation destination to see what is special there." ” Wu Duan nodded, and said, "By the way, when Xiao Yan and I screened some of Xiong Ruirui's letters in the morning, we found a discovery: In a letter to her pen pal, Xiong mentioned that she was a little scared because someone had set her sights on her.
She didn't know who that person was, only that it was a relative of her sister-in-law Li Jieyu's mother's family, a man in his 30s, and she thought it might be her sister-in-law's cousin or cousin.
The specific situation is: after Li Jieyu went insane, her mother's family had gathered several times to Xiong Ruirui's house to make trouble and ask for an explanation, Xiong Ruirui had been viciously stared at by this man, in the words of her own letter, she felt that this man was coming at me, only staring at me the whole time, after I returned to the house, I looked out of the window, and still saw him staring at me, I don't know if I was overly nervous.
I think we can focus on the men in Li Jieyu's mother's family who are in their thirties and have participated in the trouble. ” Wu Duan looked at Yan Sixian, meaning that he had finished speaking, was there anything he needed to add.
Yan Sixian got up, "Then listen to Team Wu's arrangement and sieve the whole family of Li Jieyuniang, the murderer's motive for committing the crime is not clear for the time being, and he can only cast a wide net for the time being." ” When everyone left the conference room and entered the busy work, Wu Duan asked Yan Sixian in a low voice: "You don't have anything to do."
Yan Sixian smiled, "Why do you want me to open a small stove for you?"
Without waiting for Wu Duan's eyes to roll, he stretched out two fingers and said, "There are two possibilities." ” "Oh" "Either Xiong Ruirui is unlucky and meets a pervert who kills indiscriminately like Smoke Scar, or the murderer deliberately chose her."
"You," Wu Duan considered the wording of the evaluation, "Saying it means not saying it." ” "Don't worry, I'm going to say that I'm leaning towards the latter scenario, and besides, it's probably a Virgo murderer."
"What a complicated method" "Killing people and not seeing others being tortured, is it considered emotionally complicated?"
Wu Duan's face was full of confusion, and Yan Sixian asked: "Aside from the forensic science knowledge you have learned, do you think that from a literal point of view, death from an overdose of sleeping pills is not a relatively less painful way to die?"
Wu Duan: "That's just literal, people who really take sleeping pills and die, it's very painful, they want to" "I know, I know" Yan Sixian made a gesture of reaching out and pressing down, "I said, you have to put aside the knowledge of forensic science and criminal investigation, but from a literal point of view, is it much better than some death method such as strangulation and stabbing?"
"Seems to be."
Wu Duan nodded.
"That's interesting," Yan Sixian said: "It's hard for you to imagine that the murderer forced the victim to take a lot of sleeping pills, under this kind of deadly persecution, the victim will definitely resist and die anyway, so you have to struggle."
However, there were only minor restraint injuries on the victim's body, and no coercion or resistance injuries were seen.
This shows that she did not struggle to survive before she died.
Therefore, the scene I set up for the crime is as follows: the murderer made the victim take a small amount of sleeping pills by means of drugs and other means, and then helped the victim take a large amount of sleeping pills after he fell into a coma.
Isn't it very troublesome After the victim loses the ability to resist, it is more convenient to directly strangle the neck, cut the throat, or stab the heart or something, the murderer chose a relatively decent and clean sleeping pill.
In my opinion, our murderer is not only kind-hearted, but also a cleanliness addict.
There are also cigarette scars, cigarette scars are scalded after death, and the murderer really can't see others suffering, do you think it's strange":