Chapter 101 This case is very serious.
Outside the Intensive Care Unit of Xiangjiang People's Hospital.
The attending physician, a middle-aged man, took them to his office after seeing the identification Wei Dongyang presented, and retrieved the injured man's CT images and surgical records.
"The wound was on the left abdomen. The knife entered from under the ribs and injured the spleen and part of the intestines."
Pointing to a bright spot on the CT image, Brother Li said, "The murder weapon should be a single-edged knife, about 15 centimeters long and about 2.5 centimeters wide. The angle of entry was from bottom to top, with a certain degree of tilt."
Wei Dongyang carefully examined the footage. "Judging from the depth and angle of the wound, how tall was the assailant?"
Lin Xili pondered for a moment, "The victim is 1.58 meters tall. Judging from the location and angle of the wound, the perpetrator should be between 1.65 and 1.7 meters tall, and the force was not very strong."
"If it were an adult male, the wound would be deeper and the damage would be more severe if it were inserted at this angle."
Lin Xili recalled the boy at the entrance of 501, whose height she estimated to be around 1.65 meters.
"Where are the victim's clothes?" she asked the doctor next to her.
Soon, a nurse pushed over a medical waste bag containing blood-stained school uniforms and underwear.
"It was removed during the surgery, and it's all here."
Lin Xili put on gloves, carefully took out the clothes, and laid them on a sterile cloth.
The front and left side of the white school uniform T-shirt were soaked in blood, which had congealed into a dark red color.
Upon closer inspection, she found several blurry fingerprints on the cuff, not blood fingerprints, but more like sweat stains.
"These need to be taken back to the station for testing."
It was already 11 p.m. when I returned to the laboratory of the Forensic Department of the Bureau of Justice.
But no one suggested taking a break. The case involved minors, the victim was still in a coma in the hospital, and time was of the essence.
Lin Xili placed the clothing in a staining cabinet and used the cyanoacrylate method to reveal potential fingerprints.
Under the fluorescent light, multiple fingerprints gradually appeared on the cuffs and placket of the shirt.
She carefully took photos, extracted the fingerprints, and entered them into the fingerprint auto-recognition system for comparison.
Meanwhile, DNA analysis of the blood samples is also underway.
DNA extracted from the bloodstains at the entrance matched the victim's blood sample provided by the hospital, confirming that it was the victim's blood.
At 3 a.m., the fingerprint comparison results came out.
"There were two distinct sets of fingerprints on her cuffs."
Lin Xili stared at the computer screen, his brows furrowed slightly. "One set of fingerprints matches the victim's fingerprints, and the other set matches the mother in room 501 with a 98% match rate."
Brother Wang pulled up another report, which was the analysis results of the fabric fibers extracted from the doorway.
“The fibers came from the victim’s school uniform material, but trace amounts of skin tissue and sweat were detected on it.”
"The DNA results are in. The skin tissue and sweat on the fabric fibers match the DNA of the boy in room 501."
Lin Xili took out her phone and called Wei Dongyang to explain the situation.
The next morning, Wei Dongyang came to question the mother and son with the physical evidence report provided by the forensic department.
The mother and son in room 501 were placed in two separate interrogation rooms.
Wei Dongyang met the mother first. The night of detention had made her look much more haggard, but her eyes were still stubborn.
“I told you, I stabbed him.” She repeated what she had said last night, “It has nothing to do with my son.”
Wei Dongyang looked at her seriously: "Then describe the process of the attack. What kind of knife did you use? How did you stab him? How many times did you stab him? From what angle?"
The woman paused, her eyes flickering: "It was... just a regular knife, he stabbed me once, from the front..."
"The victim's wound was in the left abdomen. The knife entered from under the ribs at an upward angle."
Wei Dongyang interrupted her and then asked, "Can you demonstrate? If you were right-handed, how would your hand move if it were stabbed from this angle?"
The woman froze. She tried to gesture, but her movements were clumsy and completely contrary to the mechanics of wound formation.
Wei Dongyang stopped pressing the matter and instead asked, "How did your son get the scratches on his arm?"
The woman's face turned pale instantly: "That...that was an accidental cut he made himself."
"The forensic examination has confirmed that it is a new injury. The direction and force of the fingernail scratch are consistent with the gripping habits of an adult woman."
The woman's lips began to tremble, but she remained stubbornly silent.
In another interrogation room, the boy sat in a chair, head down, his hands tightly gripping his trouser legs.
When Wei Dongyang walked in, the boy looked up at him briefly before quickly looking down again.
“Your name is Chen Yu, you're thirteen years old, and you're a classmate of the victim, Wang Qian.” Wei Dongyang sat down opposite him. “Can you tell me what happened?”
The boy remained silent.
In the interrogation room, he was still wearing his long-sleeved school uniform, with the collar buttoned up tightly.
Wei Dongyang's gaze fell on his bare wrist. Besides the nail scratches, there was also an old, healed scar with an irregular shape, as if it had been caused by a blunt object.
"Were the injuries on your body inflicted by your parents?"
The boy's body trembled violently. He looked up, his eyes flashing with shock, which then turned into wariness.
Wei Dongyang pulled out a preliminary forensic report from the folder. It was obtained this morning after Lin Xili applied for a physical examination of the teenager.
The report showed that the boy had multiple injuries of varying ages: whip marks on his back, cigarette burn scars on his arms, and traces of old fractures on his ribs.
“Domestic violence is a crime.” Wei Dongyang looked him in the eyes. “If you need help, we can help you.”
The boy's eyes reddened, and he bit his lip, trying hard not to let the tears fall.
After a long while, he finally spoke in a hoarse voice: "She...she always talks in class about where her parents take her to play on weekends and what gifts they buy her...she says her parents spoil her like a princess."
His voice was low and trembling with suppressed emotion. “When I go home, there’s always the sound of arguing and things being smashed. My dad beats me when he’s drunk, and my mom just stands there watching. Sometimes she hits me too, saying it’s all because of me, and that she can’t even get a divorce.”
"So you hate Wang Qian?" Wei Dongyang asked.
“I don’t hate her.” The boy shook his head, tears streaming down his face. “What I hate is why others can be so happy, while I have to live in hell…”
"Yesterday after school, she was in the hallway saying that her parents were going to take her to Disneyland. I... I don't know what came over me, but I ran home and grabbed a knife from the kitchen..."
He broke down in tears, his shoulders trembling violently. "I didn't mean to kill her, I just wanted to shut her up, to stop her from bragging..."
Over the next week, the forensic department, in cooperation with the criminal investigation team, conducted a more in-depth investigation.
The knife found in the boy's home matched the shape of the wound.
The trace amounts of blood remaining on the blade matched the victim's DNA.
Bloodstains from the victim were detected inside the boy's backpack lining.
The case was solved, but everyone felt heavy-hearted.
Lin Xili stood at the window of the Justice Bureau building, looking at the gloomy night outside.
Brother Li walked over and handed her a cup of hot coffee.
"What a tragedy," he sighed. "That kid is only thirteen years old. He'll spend the rest of his life in prison. His parents' long-term domestic violence is a major reason for his psychological distortion. He'll probably get seven years in prison. He deserves it!"
"The victim's family has also been completely destroyed. Such a happy family, such a good daughter, I don't know how long it will take for her psychological trauma to heal. The authorities have arranged for a psychologist for her and her family."
Lin Xili took the coffee without saying a word.
As she walked out of the Justice Bureau, Huo Nanchen was waiting for her under a tree. Upon seeing her, he walked towards her.
"Why are you here so late?"
"I'm taking you home." Huo Nanchen took her bag as usual, and then took her hand with his other hand.
Lin Xili let him lead her, and the two walked side by side on the night street.
"The case is very serious," Lin Xili said softly.
“Yes, everyone on the internet is talking about this case right now,” Huo Nanchen replied, squeezing her hand tighter. “Let’s go back first.”
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