According to Han Bin's speculation, the two cases should be related. The murderer who killed Jin Zhiwen was likely to be the same person who killed Dong Yubei.
Dong Yubei's murder case had fallen into a dead end, and no new breakthrough had been found. Jin Zhiwen's murder pointed out a new direction for Han Bin's investigation.
Han Bin told Zeng Ping his speculation, and at the same time, proposed the idea of setting up a joint investigation team for the Wuhua Mountain case.
Zeng Ping had no objection to this. He and Han Bin had a tacit understanding, so there was no problem. Even if they had any objections, they couldn't argue with the Municipal Bureau.
Then, Han Bin reported to Captain Ding Xifeng and learned that the murderers of the two cases were likely to be related. Ding Xifeng immediately agreed to the proposal to set up a joint investigation team.
He had also been paying attention to this case, and he was equally anxious about the lack of a breakthrough.
With Ding Xifeng's support, Han Bin led the Second Squadron of the Municipal Criminal Investigation Brigade to join the investigation of the case.
When Jin Zhiwen went to the police station to testify, Zhu Jiaxu had investigated his connections, so the Second Squadron was no stranger to Jin Zhiwen's situation.
After Liu Yanni calmed down, Han Bin said, "Madam Liu, I can understand how you are feeling right now, but the situation is special now. We need your help to solve the case as soon as possible and seek justice for Jin Zhiwen."
Liu Yanni rubbed her eyes. "Officer, what do you want me to do?"
"You should have seen the camera equipment that Jin Zhiwen often uses."
"I know that."
"Then can you describe what kind of camera equipment he has?"
"He has a camera, a small camcorder, and a tablet computer. Usually, he brings these three equipment when he goes out to collect information."
Zhu Jiaxu said, "When I met Jin Zhiwen in Wuhua Mountain, he only had a camera and a tablet computer. I've never seen a small camcorder."
Han Bin looked at Zeng Ping. "Captain Zeng, did you find a small camcorder at the scene?"
"No."
Han Bin asked Liu Yanni, "Madam Liu, can you describe the brand and model of the camcorder?"
"It's a foreign brand. It's all in English, so I don't know what it's called. The color of the camera is black. Jin Zhiwen treasures it so much that even I won't let him touch it. "
Han Bin patted Li Hui on the shoulder. "Take some people and search carefully. See if there are any manuals or warranty cards for small cameras."
Liu Yanni couldn't recognize the brand, so Han Bin had to look for clues himself to determine the brand of the camera.
Han Bin continued to make arrangements, "Team Leader Zhu, you know Jin Zhiwen's situation better. Go and investigate whether Jin Zhiwen's photos have won any awards, and whether there really is a big boss he mentioned."
"Yes." Zhu Jiaxu responded and called a few people to leave the scene.
The forensics team and forensics team were almost done.
Reuven from the technical team walked over and greeted them. "Captain Zeng, Captain Han, we've finished investigating the scene."
"What did you find?"
Reuven replied, "We collected some fingerprints and hair from the scene. We need to take them back for identification. In addition, we also found a set of bloody footprints at the scene. This Captain Han is an expert. After I take it back and deal with it, I will send a clear picture of the footprints to Captain Han.
In addition, from the traces of blood splattering and dripping at the scene, the victim was first stabbed at the bedroom door. After that, he turned around and fled into the bedroom and fell on the bed, forming the scene we're seeing now.
We also took a towel from the deceased's mouth. It should be used by the murderer to prevent the victim from screaming. That's all we found so far. "
Han Bin said, "Thank you for your hard work. I'll wait for your identification results."
"Okay." Reuven said and went to pack up his toolbox.
After Jin Zhiwen's body was put into the body bag, Wu Xia walked over and took off her gloves and mask. "Phew, we're finally done. I don't know why, but there are obviously more murders than before."
Zeng Ping said, "The epidemic has just passed. Many people have lost their jobs, and social conflicts have increased. When people are impulsive, it's easy to cause accidents. It should be better next year. "
"I hope so."
Wu Xia responded and continued, "I have completed the preliminary investigation. The cause of death of the deceased is as you can see. He was stabbed once in the chest and five times in the back. The fatal wound was from the back into the lungs. Combined with the excessive blood loss, it led to hypoxia and shock.
The time of death was between 8: 30 and 11: 00 last night. The murder weapon was a sharp knife with a blade of seven to ten centimeters long. As for the detailed autopsy report, it needs to be further identified when we return to the branch office. "
After Wu Xia finished speaking, she instructed the police officers to carry the body bag onto the stretcher and take it down the elevator.
After listening, Han Bin ordered Wang Xiao, who was next to him, "You go and visit the surrounding neighbors and ask them if they heard any unusual sounds between 8: 00 and 11: 00 last night."
According to the forensic doctor, Wu Xia, Jin Zhiwen's time of death was between 8: 30 and 11: 00 last night, and the time of injury must have been earlier. Considering that Jin Zhiwen's injury was more serious, and he couldn't hold on for too long, Han Bin pushed the time of the suspect's crime forward by half an hour.
Thud thud thud … Heavy footsteps were heard, and Sun Xiaopeng walked into the living room.
When Sun Xiaopeng was about to report to Zeng Ping, he suddenly looked at Han Bin in surprise. "Captain Han, why are you here?"
Han Bin smiled and said, "I was just wondering where you went and why I haven't seen you."
"Hehe, Captain Zeng asked me to check the surveillance." Sun Xiaopeng smiled awkwardly and reported, "Captain Zeng, Captain Han, I went to the property management company to check the surveillance. I found that at about 9: 35 pm last night, a suspicious person took the elevator to this floor and left at about 9: 42 pm."
Li Hui asked, "Is it the owner of this building?"
Sun Xiaopeng shook his head. "I don't know."
"The property management company doesn't know either?"
"Leader, you will know when you look at the surveillance." Sun Xiaopeng took out his tablet and played a surveillance video. From the screen, it seemed to be a video of the inside of the elevator.
At 9: 35, the elevator door opened and a person got in. This person was dressed very tightly. He wore a hat on his head, a mask on his mouth, a black coat, and a black backpack on his back. From the style of his clothes, he seemed to be a man.
Zhao Ming came over and took a look. "He's dressed too tightly. I can tell that he's hiding something."
Tian Li retorted, "That's not necessarily true. It's winter now. Many people wear masks and hats when they go out. It's very common on the streets."
Zhao Ming smiled and did not say anything.
Bao Xing took a closer look and shook his head. "He's so tightly wrapped that I can't even see his face. Even if there are surveillance cameras, they won't be able to catch him."
Han Bin also felt that this person was a little suspicious. Not only because of his clothes, but also because of the timing of his appearance. Since he had been near the crime scene during the time of the crime, they naturally had to investigate.
"Check the surveillance around the neighborhood and continue to track this person's whereabouts …"
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