Netherworld Investigator Chapter 89: The line of fire chases the murderer

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When Wang Dali saw me talking to Huang Xiaotao and ignoring him, he said angrily: "Damn, I asked you so many words and you didn't ignore me. Only when Xiaotao said, you agreed, did your ears take the initiative to shield me? What about it?"

I said: "Okay, okay, I will answer your questions later!" Then said to Huang Xiaotao: "Fingerprints and handprints look very similar in shape, I wonder if it is possible to kill people and abandon corpses. It’s the same person."

"The same person?" Huang Xiaotao raised an eyebrow: "But one is cautious and the other is careless. Will this be the same person?"

I took off my gloves, took out a pair of vernier calipers from my handbag, and compared my fingerprints and handprints one by one. The fingerprints on the bag are very fuzzy. I can only find three complete fingerprints. The comparison results show that these three fingers are the same length as the fingers on the body with the positive marks!

This is very strange. The murderer was calm and calm when killing people, wearing gloves carefully, but left a lot of fingerprints on the plastic surface that is easy to leave fingerprints, and appeared so flustered when throwing the body.

Huang Xiaotao’s question is exactly what I can’t figure out, but I think this BUG seems to be the key to everything, but it’s now like a layer of unbroken window paper, which feels like a stuck in the throat. Uncomfortable like a fishbone.

"Do you want to continue the test?" Huang Xiaotao asked.

"No need to check."

After I finished speaking, I took out a stack of yellow paper, burned it, and read a section of "The Curse of the Resurrection". Suddenly a gloomy wind blew up from the bridge cave and the paper dust disappeared on the river. Many police officers were dumbfounded.

Huang Xiaotao seems to have become accustomed to this scene: "Song Yang, or you go back first, I will stay to clean up the scene, there is nothing to investigate for the time being, I will wait for tomorrow morning to gather the clues."

I wanted to stay and help, but there is nothing I can help here, plus I have been busy from four in the morning until now and I am really tired, so I agreed. I feel that my physical strength is not as good as Huang Xiaotao.

After returning to school, of course I missed the afternoon class. I kept looking for materials in the library and stayed until the library closed in the evening before returning to the dormitory.

After I went back, I lay on the bed and pondered the case. Wang Dali asked on the edge of the bed: "Yoko, you are still thinking about the case, you will not be able to survive this way. Go to bed early, and you won’t pay it back tomorrow morning. Do I have to go to the police station for a meeting?"

"It's OK, I don't want to." I replied.

"By the way, you didn't go to the boiling water room to fetch water. I made a pot of hot water for you. I still have some instant noodles in my drawer. If you are hungry, you can eat instant noodles." Wang vigorously persuaded.

There was a warm feeling in my heart. Wang Dali was never so good to me because he had a bonus. In fact, he has been taking care of me since the beginning of his freshman year. Once I get stuck with something, Wang Dali often fetches water and food for me. It's really worth having such a good buddy in the university.

I said thank you, Wang Dali said: "It's too much to see, my brother also said thank you."

I lay in bed and kept thinking about the case. I didn't fall asleep until three o'clock in the morning, and then I had some messy dreams. In short, I didn't sleep well.

The next morning, Wang Dali and I arrived at the police station early. The police arrived one after another. Huang Xiaotao invited everyone to breakfast as before. I noticed that Wang Yuanchao was not here. I asked Xiao Zhou. Xiao Zhou said that Wang Yuanchao came out early this morning and went to Ma Jinhuo's hometown to investigate the case.

At eight o'clock, Huang Xiaotao pinched the point, and started a case discussion meeting.

First, I talked about the progress of the case, and then summarized the clues that everyone investigated. The rope used by the murderer to tie the bag has been found to be produced by a certain manufacturer, but this kind of rope has dozens of supply and marketing points in Nanjiang City. It will take some time to rule out one by one.

In addition to the clue of laughing gas, there are no hospitals in Nanjiang City that use this drug, not even pet hospitals, and no domestic manufacturer is still producing it. It is reliable to speculate that the murderer buys the raw materials himself. Synthesized.

Someone asked whether the suspect, Ma Jinhuo, did not have a high school education level. Can he synthesize laughing gas?

Another policeman said that now everything can be searched on the Internet, and there is a lot of criminal knowledge in movies and TV shows. People with bad intentions can learn any criminal tricks. There have been a few illiterate old men before. Farmers, imitating movies and TV shows, made their own dynamite bags to rob the cash transport truck.

Xiao Zhou explained: "Laughing gas is a simple inorganic substance. It can be obtained by thermal decomposition of ammonium nitrate in fertilizers. Anyone who knows the Internet and has a little knowledge of chemistry can make it."

Huang Xiaotao interrupted their argument and went on, mainly because of some clues I found from the body, and some information we found when we visited the residence of the missing person. Knowing that there will be new victims in these two days, there was an uproar at the scene, and probably everyone felt that time was pressed.

This case is currently in a stalemate. Ma Jinhuo's whereabouts are unknown, and there is no connection between the dead. How to investigate?

Huang Xiaotao said that the surveillance videos near all the supply and marketing points selling ropes should be brought out. Today, everyone should stop doing anything and watch the video to find clues.

Then she asked me if I had any suggestions. I thought about it and said: "There must be a car when the murderer kidnapped people. This car should have appeared near the homes of the three missing people. Look for the intersection and community surveillance. It will help."

"Yes!"

Huang Xiaotao immediately called several policemen to the Ministry of Transportation and the community where the missing person lived to obtain video footage.

After the meeting, Huang Xiaotao said to me: "Song Yang, the third victim has not been found, or you can go back first."

"No, Wang Dali and I will help you watch the video." I said.

"Also!"

All morning, we watched various surveillance videos in the police station. Huang Xiaotao asked people to move the TV and VCR to the conference room. If the equipment in the police station was not enough, we went to the nearby electrical store to rent. Everyone occupies a corner and stares at the picture without blinking. From time to time, someone stops to drop eye drops or light a cigarette. The curtains are drawn in the room, and the smoke is full of smoke. If someone suddenly walks in, they may think they have entered a certain video room.

All the recordings add up to several thousand hours, and they are all watched at double speed. Wang Dali and I stared at a TV set. After staring for a while, it felt boring and boring, and everyone was going to sleep. Finished.

Wang Dali really didn’t want to watch it at last, and he slumped on his chair with a look of unlovableness: "Too few are so boring, now I’m just giving me a "Pleasant Goat and Big Big Wolf" I can watch with gusto. ."

"The police investigation was originally like this, and Zhima's clues can't be let go. Please cheer up!"

At my urging, he sighed and continued watching the video.

The effort paid off. A police officer found a white van from the community surveillance. This car had also appeared in the residences of the other two missing persons, and the time of its appearance coincided with the time of the victim’s disappearance. .

Huang Xiaotao immediately sent someone to the Ministry of Transportation to investigate the license plate number of this car!