Attending ex-girlfriend's wedding, arresting the groom's officer on the spot

Lu Chuan took a closer look and found several long and thin scratches on the bottom of the cage, as well as some irregular dents. "Take photos of these marks for evidence, and ask colleagues in the technical department to analyze them to see if they can determine what kind of tool left them. This may be related to the way the murderer fixed or moved the cage."

There was not only this strange mark on the iron cage, but there was another one found at the beginning, and this mark seemed to be left by a different tool than the previous one. Yang Lin and Yang Sen took photos of the relevant situation and prepared to do further analysis after returning.

Yang Lin nodded, quickly took out his camera, and took photos of the marks from different angles. "These marks are very subtle, and if you don't look carefully, it's easy to miss them. I hope the technical department can find useful clues from these marks."

When checking the clothes of the dead body, Yang Lin found some black stains on the clothes of the dead body. He touched the stains lightly with his fingers, put them under his nose and smelled them, with a puzzled look on his face. "Yang Sen, look at these stains, they don't look like ordinary dirt. Judging from the touch and smell, they are a bit like motor oil, but not exactly the same. Let's take some samples back for testing, maybe we can find clues related to the work environment of the dead body or the murder scene of the murderer."

Yang Sen took out a sampling tool, carefully scraped some stain samples from the clothes, and put them into a special sample tube. "If it is engine oil, then the deceased may have worked in a job related to machinery and vehicles. Or the murderer may have come into contact with engine oil during the crime, which are all very important clues."

Lu Chuan watched them busy, his heart filled with a desire for the truth. This case may seem complicated, but every clue may be the key to solving the mystery. He said to Zhang Kai: "Take the body back to the autopsy room for autopsy as soon as possible. We need the exact time and cause of death, which is crucial to solving the case."

Zhang Kai nodded to show that he understood: "Captain Lu, I will arrange it immediately. If there is any discovery during the autopsy, I will inform you as soon as possible."

When the investigation was almost over, Yang Sen suddenly shouted, "Captain Lu, we have an important discovery!" Everyone gathered around and saw Yang Sen taking out a small metal object from the corner of the iron cage. The object was cylindrical and had some fine ribs on the surface. It looked like a part of a machine.

Lu Chuan took the metal object and examined it carefully: "This thing looks unusual. Yang Sen, what do you think is the connection between this and the case?"

Yang Sen thought for a while and said, "Captain Lu, judging from the craftsmanship and material of this object, it should be a part of a relatively sophisticated machine. We can take it back and ask colleagues in the technical department to help analyze it and see if we can determine its purpose and origin. Perhaps this part can help us find the murderer's crime scene, or connect it to the deceased's work or life."

Lu Chuan carefully placed the metal object into the evidence bag and said, "Okay, take this back as the key evidence. Everyone has done a very detailed investigation today, and these clues are the key to solving the case. Next, it depends on the autopsy results and the analysis of these evidence. Everyone, work hard and make sure to get to the bottom of this case!"

With all the evidence they had collected, everyone carefully lifted the body onto the forensic vehicle.

The main personnel of the Criminal Investigation Detachment were divided into several groups. On the one hand, Yang Lin and Yang Sen were on the scene. Although the investigation basically confirmed that this was not the first crime scene, but the scene where the murderer sunk the body. However, some clues found on the iron cage and the body may still be indicative, so it is still very important to look at the scene here. In addition, the forensic doctor also did some surface physical inspections and found some clues. He made a vague judgment on the time of death of the body, but the specific time and cause of death will not be known until tomorrow after the autopsy tonight.

What remains is the situation of Wang Shuai and Zhang Hui's visit and investigation in the vicinity.

Both of them knew that confirming the identity of the deceased was the key to solving the Beishan Reservoir corpse case. Although the on-site investigation yielded nothing, including no ID card, mobile phone or other items that could prove the identity of the deceased, and there were no reports of missing persons in the surrounding areas, they did not give up and resolutely conducted a detailed visit around the reservoir. Their first stop was the two villages closest to the reservoir - Qianping Village and Houwa Village.

The two first came to Qianping Village. The village is not big, with houses scattered on both sides of the winding road, and occasional dog barking can be heard. Zhang Hui and Wang Shuai walked into the village and saw an old man sitting in front of his house to bask in the sun, so they walked up to him. Zhang Hui smiled and greeted him: "Uncle, hello! We are police officers, investigating something, and we want to ask you something." As he said that, Zhang Hui took out his ID to show the old man.

The old man squinted his eyes, looked at the ID carefully, and nodded: "Comrade police, feel free to ask me anything."

Wang Shuai continued, "Uncle, have you heard of anyone missing nearby recently? Or have you seen any suspicious people around the reservoir?"

The old man pondered for a moment and said slowly: "As for the missing people, I haven't heard of them. But there were some strange noises at the reservoir a while ago. About a month ago, one night I heard dogs barking very loudly, and I thought there were thieves. I got up and looked, and saw a car parked not far from the village. It seemed to be black, but I couldn't see what kind of car it was. Two people got out of the car, both wearing hats, acting stealthy, and drove away after a while. I didn't pay much attention to it at the time, but now after hearing what you said, I feel something is wrong."

Zhang Hui quickly took out his notebook and wrote it down: "Uncle, do you remember which direction the car went? Also, do you remember the figures and clothes of those two people?"

The old man shook his head. "It was too dark. I only saw a rough outline. The car seemed to be heading towards the reservoir. The two people were dressed in black, so I couldn't see their faces clearly. I just remember that one was taller and the other was shorter."

After thanking the old man, Zhang Hui and Wang Shuai continued to visit the village. They asked every household, not missing any possible clues, but other villagers did not provide more valuable information.

After leaving Qianping Village, they rushed to another village, Houwa Village. Houwa Village was slightly larger than Qianping Village, and the roads in the village were more complicated. After Zhang Hui and Wang Shuai entered the village, they saw a group of women chatting under a big tree at the entrance of the village. They walked up to them, identified themselves, and began to inquire about the situation. (End of this chapter)