The Underworld Detective

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Instead of leaving the scene, I called Huang Xiaotao and asked her to bring my tools.

When I heard that I was attacked, everyone immediately rushed in, and Huang Xiaotao asked, "Have you been hurt?"

I shook my head: "No injuries. Remember the mysterious man who saved our lives last time? It was just him who saved my life."

Huang Xiaotao glanced at the cut steel pipe and stunned, "You mysterious bodyguard is strong enough, why don't you catch the murderer easily?"

Who knows what this person is thinking!

My name is Huang Xiaotao. He puts on ultraviolet rays and checks his footprints with a post-mortem umbrella. There were three footprints at the scene, of a mysterious person, and a pair of 40-yard sneakers and a pair of 35-yard leather shoes. I asked Xiaozhou to take a sample of the plaster.

Huang Xiaotao asked, "Are these two people who attacked you related to the killer?"

I said, "It's a big deal, they might want to kill me ..."

This is just my guess. If you really want to kill me, this method is a bit inefficient. Why not use a dagger?

I found that some solidified cement remained on the steel pipe, but there were no fingerprints, apparently the killer was wearing gloves. At this time, Wang Yuanchao returned from the other side of the alley, holding the exact same steel pipe in his hand: "There is a construction site next to it, and the murder weapon was taken from the construction site."

Not contrived? So why is that?

Huang Xiaotao asked, "Well, Song Yang, why are you buying sanitary napkins?"

I patted my head: "Oops, Sun Bingxin is still sitting on the toilet!"

Huang Xiaotao said silently: "Why don't you say it early, I have it in my bag, next time don't go out alone at night."

I nodded: "I see!"

After the investigation, we went back to the hotel. In addition to the identity of the killer, my greater confusion was who was the mysterious man? A car came when I was crossing the road. I deliberately slowed down and walked behind. When the car was in front of me, I suddenly took a step forward.

There was a harsh noise of the brakes, and the driver yelled, "You're looking for death!"

Huang Xiaotao heard the movement come back and blame, "What are you doing, don't you be careful when you cross the road?"

I said, "I want to try if mysterious people come to save me."

Huang Xiaotao smiled bitterly: "Your mind is really less than ordinary people. How can you try it like this? In case of death, is it worthless? If we really want to investigate, we will use criminal investigation to investigate."

The next day, Huang Xiaotao called Sun Bingxin to rest in the hotel for a day, and we went to visit the auto repair shop together. There are only a few auto repair shops in Xiaoxiancheng. I asked about it before noon. One auto repairman named Cao Dazhuang disappeared last year. I asked the boss: "Did you report the crime?"

The boss turned out his mobile phone and found the last text message sent by Cao Dazhuang, which said: "Boss, I'm sorry to leave without saying goodbye, my cousin in the city asked me to help, I don't need my salary!"

This is the murderer's usual method. I believe that the deceased should be Cao Dazhuang, but DNA evidence is required. We asked the boss Cao Dazhuang's address, and the boss replied, "He rented a house and may have changed tenants long ago."

Nevertheless, we still asked for the address and found the landlord who rented the house. The landlord said that Cao Dazhuang left without saying that it was his friend who helped to pack and move, and paid the utility bills owed.

I asked, "What's that friend's name?"

The landlord shook his head: "I don't know. It happened more than half a year ago."

I asked, "Say whatever you can think of."

The landlord recalled carefully: "It seems to be a tailor! I once saw this man in his shop and said hello."

I asked the address of the tailor's shop, but Cao Dazhuang's friend was Zhang Qiang. I exchanged sight with Huang Xiaotao. It was a coincidence that I felt that there was a connection between the two cases.

Farewell to the landlord, Huang Xiaotao asked me if I would go to the tailor shop again, and I said, "No!"

Huang Xiaotao laughed and said, "To escape, you have learned very well."

The more the police tend to doubt who they are, the less likely they are to frighten the snake. From this we can see that Huang Xiaotao, like me, has doubts about Zhang Qiang!

I have been involved in solving the case so many times and have gradually developed a habit. If I suspect someone, I will put him in the silhouette of the killer and compare it. At present, the outline of the murderer is still a dark shadow, but it seems that there is no contradiction in putting Zhang Qiang in.

Huang Xiaotao asked me what I would do next? I said that I wanted to sort out my thoughts, and she said that she would have a meal.

I bought a map of the whole county from the newsstand on the roadside, and then came to a Chinese fast food restaurant with Huang Xiaotao. I spread the map on the table and marked the resident locations of the four victims. A plate of food came over and said, "Song Detective Song, do you want to use a wicked technique again?"

I shook my head: "No, I was just thinking, what do the victims have in common?"

Huang Xiaotao said: "All are beautiful young women."

I corrected: "You are talking about the common ground, I am talking about the common ground! In other words, do these four women with different occupations have any intersections?"

Huang Xiaotao said: "Women all like clothes. Maybe they are targeted by the murderer when they order clothes. In this way, the couple's suspicion is even greater."

I groaned, "Is that so?"

Huang Xiaotao said, "I sent someone to investigate where they had been before they died, and verify."

I nodded: "Okay, let's do a crime simulation in the afternoon!"

Huang Xiaotao was surprised: "Ah?"

I explained: "Ordinary crime simulations, not murderous!"

We went back to the bureau and simply held a case discussion meeting. Huang Xiaotao asked someone to investigate the whereabouts of the four dead one month before the death and Cao Dazhuang's interpersonal relationships. After the seminar, we found an empty conference room to simulate the first murder case. The dossier said that the deceased was disfigured by hot oil during his lifetime, and the fatal injury was an injury to the back of the head. I felt this during the restoration. It is a contradiction.

Huang Xiaotao said, "I think, as you said before, the killers are two people!"

I shook my head for a while: "I'm not referring to this. If we were murderers, how could this murder be seamlessly completed?"

Huang Xiaotao said: "First of all, you can't leave fingerprints, and you must wear gloves; secondly, the tools you use should not be too biased, such as electric drills and chemical agents, which are too easy to be traced by the police; The sooner it is discovered, the better for the killer. "

I asked, "If you were a tailor and the deceased wore clothes made in your shop, would you take it off?"

Huang Xiaotao replied immediately: "Of course I am!"

I continued to ask, "what do you think is the most suitable for disfigurement?"

Huang Xiaotao replied: "Alkaline water, edible alkali can be bought everywhere, easy to store, and easy to clean up. Burning a pot of hot oil is a bit troublesome, and it is easy to leave traces at home."

I nodded: "You're right, the first murder case was a bit inefficient, and the technique seemed quite amateurish! But it is surprising that all the subsequent cases follow this routine, as if the murderer intentionally showed himself Is it really for the sake of attaching to folklore that the police would never believe? Or ... the first murder was just an unintentional act, and all subsequent ones were imitating it! "

With that said, my thinking became clearer: "I guess this is a serial killing that is taking shape!"