"The deceased is Xiao Yang, male, 18 years old."
"Identity is a third-year student of Qingcheng High School."
"His total attributes in the three preliminary tests are as high as 10. Tsk tsk, he's only slightly inferior to you, Captain Gu. What a waste of a good seedling!"
Gu Sinan snorted coldly. "Old Xu, get to the point."
Xu Zhiyong wasn't angry and continued, "According to the preliminary investigation, the livor mortis on the deceased's body has spread. The estimated time of death should be after school last night, which is between 19: 00 and midnight. The specific time of death may have to wait for the forensic test results."
Gu Sinan nodded.
Xu Zhiyong squatted down. His expression gradually became calm, and his voice was as steady as an old dog's.
"The cause of death should be the knife on the neck. One knife to death, clean and neat. There are no traces of a struggle at the scene. It seems that the murderer should be a veteran, and it's very likely that he's a … professional. Otherwise, with the deceased's attributes and the premise that he persevered in training, it's impossible for him to be killed instantly without any reaction. "
"There are no other discoveries at the scene. There are no traces of the body being moved, and the blood spraying pattern hasn't been interrupted. This should be the first scene."
"The scene is a secret room?" Gu Sinan looked around and asked slowly.
Xu Zhiyong sighed softly. "It can be said that it is, but it can also be said that it isn't. The victim lived alone all year round, and her parents were not by her side. That door lock was only a level three security algorithm. Even if it was our people, with normal equipment, it would only take 12 minutes to crack the password. If the murderer came prepared, this door lock was nothing to the murderer. "
"Okay!" Gu Sinan didn't waste any time and directly commanded the scene. "Everyone, carefully search all corners where the murderer may have left traces."
"Yes! Captain Gu! "
"Old Xu, who reported the case?"
"There, over there. It's said to be the deceased's classmate."
Xu Zhiyong pointed to a corner in the room.
Gu Sinan looked in the direction Xu Zhiyong pointed and saw an "ordinary-looking" high school student buried in the crowd.
His ordinary appearance made it easy for people to accidentally ignore him.
The high school student's expression was a little uneasy. When he saw Gu Sinan looking at him, he shrank into the crowd like a "frightened bird."
Gu Sinan, with her sharp intuition, interpreted the above information from the short encounter.
…
…
"Name?"
"Irin."
"Gender?"
“？”
"Gender?" Seeing that Irin didn't answer, Gu Sinan raised her voice and asked again.
"Man …"
"Age."
“18。”
"You were the first to discover the body? How did you get the password to the dead man's door? What's your relationship with the deceased? "Gu Sinan's mouth was like a machine gun as she asked three questions in a row.
"This …" Irin paused for a moment, then pointed at Xu Zhiyong, who had a helpless look on his face, and said softly, "This uncle has already asked this once."
The corners of Xu Zhiyong's eyes twitched, and he couldn't stand it anymore. He stopped Gu Sinan, who was about to explode, and said, "Captain Gu, I just checked this student. He's a classmate of the deceased and had a good relationship with the deceased when she was alive. In the eyes of the classmate, he's an honest person. His parents work abroad for a long time, so there's no problem with his identity."
Xu Zhiyong paused and handed the tablet to Gu Sinan. He pointed at the content on the tablet and continued, "As for why he came to the deceased's house, it's because the deceased didn't go to school all day, so the homeroom teacher asked him to find the deceased … I just confirmed with the deceased's teacher that this is indeed the case. Yes, there's nothing suspicious about it. "
When Gu Sinan heard this, she let out a soft cry of surprise, and then stared straight at Yi Lin in silence.
She knew very well what Xu Zhiyong meant by "suspicious".
In many classic murder cases, the murderer often did the opposite and took the initiative to find the body to get involved in the case in order to eliminate himself as a suspect.
This kind of trick might have worked at the beginning of the last century.
But now, this was a routine that every criminal investigator had grasped.
Hmph, this was the first lesson for criminal investigators to learn how to counter schemes.
One second.
Three seconds.
Irin looked away.
"You don't dare to look me in the eye? You have a guilty conscience? "Gu Sinan's eyes lit up.
"No." Irin shook her head.
"Then why don't you dare to look me in the eye?" Gu Sinan took a step forward and approached Irin.
Irin was silent for a moment. Then she suddenly turned her head and asked the young police officer closest to her, "Are you afraid of her?"
"Of course I'm afraid, ah no no no, not afraid, not afraid." The young police officer subconsciously said what was on his mind, but he immediately smiled and changed his words.
Gu Sinan: "…"
Xu Zhiyong: "…"
"Um, if there's nothing else, I'll go check somewhere else." Feeling that the atmosphere was not right, the young police officer who knew that he had said the wrong thing wanted to slap himself a few times. He casually found an excuse and slipped away.
"Heh," Irin suddenly sighed, and then she smiled helplessly, "Okay, I'll tell you the truth."
Gu Sinan was slightly stunned.
Even Xu Zhiyong, an experienced criminal police officer, was stunned when he heard Irin's tone change.
He secretly wondered if he had misjudged her.
"I'm actually not Xiao Yang's good friend at all." Irin looked at Xiao Yang's body not far away, "He relied on his higher attributes to make me run errands and do homework. In the eyes of other students, I might be his good friend, but in reality, Xiao Yang didn't treat me as a friend at all. I'm actually very clear about that. How can people like us, with average attributes, be worthy of being friends with geniuses? "
Her voice carried a bit of despair, desolation, and a bit of helplessness in the face of reality.
"Since you don't have a good relationship with the deceased, why did you come to find him?"
Gu Sinan quickly thought of a suspicious point in the information provided by Xu Zhiyong.
Irin was silent. She only took out a completed history homework from her backpack and handed it to Gu Sinan.
"First of all, this is the teacher's order. Secondly … I have to return the homework to him. " After a pause, Irin bitterly smiled, "If I knew in advance that something like this would happen … even if I was beaten to death, I wouldn't have come here at a time like this."
Hearing this, Gu Sinan casually flipped through a few pages of neatly written history homework. She was silent and fell into deep thought.
At this time, another police officer came over with a palm-sized tablet in his hand.
"Captain Gu, the AI butler's saved video has been downloaded."
"Okay!"
Gu Sinan did not waste any time and directly checked the video recorded by the AI butler.
From Xiao Yang's home …
Training …
Then, halfway through, a girl came in …
Then, something indescribable happened …
"Tsk tsk tsk." Xu Zhiyong instantly revealed an expression of understanding.
Gu Sinan glared fiercely at Xu Zhiyong. Then, she forcefully tapped on the screen with her finger and fast-forwarded. She finally skipped the scenes that were not suitable for children and continued to watch.
Xiao Yang entered the gym …
Until 22: 18.
The video was suddenly cut off.
"Captain Gu, I just checked here. Starting at 22: 18, the electrical circuit in the neighborhood malfunctioned. But now it seems that the murderer cut off the power, so … there's nothing after that."
"There's no backup power?"
"This AI butler is only a home version. Home versions of AI butlers generally don't have backup power." The young police officer helplessly explained.
…
When the video reappeared, the time was already 23: 49.
Xiao Yang had already become a cold corpse.
Other than Xiao Yang's corpse, there was no trace of the murderer in the room.
Gu Sinan expressionlessly continued to fast-forward until she saw the scene where Irin came in and found the corpse.
"What about the surveillance in the neighborhood?"
"I've already sent someone to retrieve it as soon as possible. But we might have to go back to the station to slowly study it."
"What about the forensic doctor?"
Xu Zhiyong looked at the time, "He should be here in 20 minutes."
"Ten minutes."
"…"
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