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Qiao Zhen spoke quickly: "Let's imagine the scene, what kind of criminal will give the victim a fatal injury in the first place?" Most of them have only one answer, robbery. But at our scene, what we could see was that there were signs of turning in the victim's pocket, but although the deceased's pocket had been turned over, the 300 yuan in cash inside had not been taken. ”

"Except for the murderer's extreme nervousness, he didn't see the cash, and it is also possible that he was about to do it, but the deceased's son was woken up and walked out, and he didn't remember to go back and take the money."

"Putting this aside for the time being, if he is a habitual offender who robs money, most of them will directly give fatal injuries, because he understands that if the victim remembers his appearance, it will be difficult for him to escape. What kind of criminal would be fatally wounded at the end? He hadn't killed anyone, he just wanted to use some money, but he suddenly found that the other party was desperately resisting, and he shouted for help. ”

"At this time, money is not the point, he is thinking about how to get rid of the victim."

"Yes, so we can see that there are so many traces of impromptu crimes on the other party's back, but none of them are fatal, but the suspect wants the other party to stop calling for help. However, his luck failed, and the deceased had been fighting desperately to protect his shop and his son. Her efforts did not undo the results, only made the killer determined to shut her up. ”

Qiao Rao just groaned, neither nodding in agreement, nor frowning and questioning. Everyone waited for him to make a statement, but he watched coldly as if he had made up his mind.

Zhang Chenzhi broke the embarrassment of the atmosphere and concluded: "Qiao Zhen, based on the details you just listed, we can basically portray that the suspect is a first-time offender, the purpose of seeking money, and the activity area is basically near the store. Is that so? ”

Shi Yan, who walked in in a hurry, held a report in her hand, stood at the door and hesitated whether to go inside, Qiao Rao just motioned for her to come in.

She had a difficult look on her face and put the report in front of Zhang Chenzhi. He pulled away from the seat next to her, glanced at the report, and asked seemingly blandly, "Has the DNA been matched?" ”

Shi Yan looked at Qiao Zhen first and said with difficulty, "It doesn't match the existing samples." ”

Zhang Chenzhi smiled, as if all this was not unexpected, but tapped the report with his finger and told everyone: "It seems that our thinking needs to be more open. The victim was a pregnant woman who was two months pregnant. ”

"This kid isn't the boss's?" Qiao Rao just opened his mouth.

Zhang Chenzhi nodded: "It's not our friend who wields the knife." ”

Qiao Zhen quietly confirmed to Shi Yan with some surprise, and the other party showed a helpless and sorry expression. She quickly replayed the scene in her mind: why did her analysis capture some details that the suspect was easily overlooked, but why was it so extraordinary? What is the story of this proprietress, and is there any connection to her tragedy?

Qiao Zhen had lunch tastelessly with this thought, Shi Yan didn't chat with her usually, just looked at her worriedly: "I'm really sorry, I demolished your stage today." I didn't mean to. ”

Qiao Zhen looked at her in a daze, and couldn't help laughing: "Senior sister, this can only be blamed on my bad timing of speaking, besides, as long as you can solve the case, what's wrong with everyone brainstorming, not to mention that you provided such an important clue." ”

"You're really not mad at me?" Shi Yan confirmed again and again.

"It's just that in this way, if the boss knew about it in advance, then his motive for committing the crime rose to the top again. You say, do people really have such good acting skills that they can disguise pain and despair? ”

"I can't be sure about this, but in the past, we did see the most unlikely people doing evil, and we may not even realize how complicated this thing is." Shi Yan said thoughtfully.

Qiao Zhen and Shi Yan took a walk in the compound as usual, and went back to the girls' dormitory to take a nap. When passing through the archives, a light faintly shone through the perennially closed double iron doors. Qiao Zhen asked her to go first, took out the key from her pocket, thought about it, and gently put it back in her pocket.

The archives room is probably one of the most heavily furnished rooms in the entire building. I can't help but have a layer of anti-theft iron doors outside, and there is also an access control inside that requires special permission to enter. This is just the outer room of the archives, which basically houses a lone writing desk and a set of computers with a public security intranet, plus a paper cutter and a telephone. The real case file is stored in the inner room, controlled by a computer with constant temperature and humidity, and a set of passwords are required to enter. In other words, as far as she knows, there are very few people who can enter this door.

Because of the inconspicuous location of the archives and the fact that they are locked all year round, the average person will not even notice that there are people here. She shouldn't have been so curious, but her intuition pushed her to step inside, and it was possible not to be detected, the door was all open, and there would be no "Didi" sound of the access card.

When she crossed the second threshold, she saw the familiar figure, with his back to the door, looking at a case file, which was more than ten years away from the unsolved case file from the chair that had been stepped on next to him and the vacant position on the file shelf. My father's back seemed to shrink at the moment, and I don't know if it was the dust or something else, his nose sobbed twice from time to time, and when he turned the page, he rubbed his eyes with the back of his hand.

Qiao Zhen consciously silently counted the position of the sequence taken out of the case file, and then called "Dad" softly.

Qiao Rao just seemed to wake up from his deep sleep all of a sudden, and he hadn't come back to his senses right away, and it took a few seconds before he slowly turned his face sideways.

Even though the light in the archives was dim, she noticed that her father's eyes were moist. Since he was a child, even if he took out the divorce application sent by his mother from the registered mail, he was just silent. Except for the time when her comrades-in-arms died, she had never seen him in such a state: "Dad, there is a lot of dust here, you are allergic, and you will sneeze again in a while." ”

Gu Rao Gang seemed to breathe a sigh of relief, and promised a little too refreshingly: "It's okay, you go to the lunch break first, I'll be fine immediately, I'll lock the door." ”

Qiao Zhen no longer insisted, and glanced at it uncomfortably when he exited the door. What was it about my father that moved him so much?

In the afternoon, after confirming that his father had gone to the city bureau for a meeting, Qiao Zhen quickly entered the archives and turned out the case file according to his memory. Open it and take a closer look, it is a series of cases of molesting underage girls. She had the impression that this happened twelve years ago.

The girls who were violated were all violated when their parents were at home alone at work, no wonder her father asked her to be a little tail when she was working overtime, and she wanted to stay at home and watch TV several times, but her father refused fiercely. Once, he even scolded her for crying, which is one of the few memories of his father, who almost doted on him.

However, in this case, no one was affected by himself or his family, except for Qiao Raogang's continuous overtime. Why did my father suddenly look through this case file?

Her eyes scanned the top row of case files, and her professional habits led her to get closer to the brown paper-covered archives to take a closer look. At first glance, there is no difference. However, Qiao Zhen had already discovered the clue, and she quickly pulled out one of them, only this one did not have the dust on the top of the long-stored cabinet from the case file she had just flipped through.

She simply climbed down from the chair, wiped the footprints on the chair with paper, and made it to read it with determination. Sure enough, this is it!

In the case file, two women fell in a pool of blood, and died in a tragic manner, one was shot directly in the head, and the other had a sharp knife stuck in his chest. This is a Chinese jewelry store located in Diamond City, South Africa, with a sign with a large Chinese character "Liu-style jewelry store" written on it, and two lines of small English characters attached to it: "Quality Assurance Tongsuo Wu Bullying".

One of the deceased was a middle-aged woman, and the other was less than 20 years old. Qiao really understands that the tragic scene of a mother and a minor child dying at the same time is familiar. No, it's too familiar. Although his face was covered in blood and he couldn't see his face clearly, those two names were so familiar, it was none other than Qiao Zhen's aunt and cousin. She clearly remembers the overnight aging of her uncle, the hysteria of her grandmother, the silent weeping of her grandfather, and the dispute between her mother and father after the case.