The Underworld Detective

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In order to confirm this point, I checked carefully, and it turned out that there were two sets of fingerprints on the deceased, especially a pair of heavier fingerprints on the shoulders. From the direction of exertion, it seems that when a murderer was carrying out rape, another helper held the dead from above.

Rape and murder without revenge are often carried with strong privacy. Generally speaking, the murderer does not share the criminal process with others, but this case is unusually done by two people.

Is it really that someone is deliberately imitating the case of the year, but now it cannot be concluded, maybe it is just revenge!

At this time Sun Bingxin came in and said, "Brother Song Yang, I tested it out, and the blood contains a small amount of chlorpromazine hydrochloride."

I was a little surprised: "Why is it so fast this time?"

Sun Bingxin laughed: "The sedative was also detected in the last corpse, and the samples were still stored in the laboratory. I checked it by hand and it turned out to be as lucky as the lottery ticket.

As soon as she reminded me, I remembered that the same drug was found in the previous corpse, so the two cases are most likely the same person.

Now what I want to determine is whether the killer's medication is by injection or by taking it. If it is the latter, more ingredients can be found in the stomach.

I ordered: "Check your stomach contents now!"

Sun Bingxin picked up the scalpel. Before I went down, I rubbed my fingers on the scar on the deceased's abdomen. I asked Sun Bingxin that it was left by a cesarean section? She said it should be.

I roughly checked, and judging from the melanin secretion around the scar, it was five or six years old, indicating that the deceased had a five- or six-year-old child. I signaled that Sun Bingxin could get a knife.

We found some food residues in the stomach of the deceased, which is not very significant, but it further proves the time of death. Sun Bingxin took some gastric juice for testing.

The body did not need to be examined again. I burned a few pieces of yellow paper for the deceased and asked the fat police officer: "How was the investigation of the previous case?"

The fat policeman replied: "The deceased's name is Xiao Feng, who works in a music bar, works part-time as an assassin, and occasionally has sex-trading with familiar customers. We visited the restaurants around the scene and found a Sichuan restaurant that said he had met Xiao Feng. There is also a man wearing a mask and sunglasses. He doesn't know how he looks. He is about 1.75 meters tall and of medium build. I believe that this is the suspect and we are investigating the surrounding videos. "

I faintly think that this case is related to the case 20 years ago, and is planning to initiate a cooperative investigation. Huang Xiaotao gave me a wink and said to the fat police officer: "I didn't introduce myself formally before. My name is Huang and his name is Song. We belong to The special case team of Nanjiang City is an independent criminal agency under the Ministry of Public Security! The purpose of this visit is to investigate the Liangchuan serial homicide case of the year. The two cases now appear to be somewhat related to that case, if you do n’t mind, I hope we can work together and give you credit after the fact. "

The fat police officer smiled embarrassedly: "I don't think any credit is given to you. I have already seen that you are not a small one. If you can break the case, and you will get a peace in Liangchuan, I will be worthy of the police badge on my head. What help do you need, let me say, I will give my full support. "

Huang Xiaotao looked at me and said, "Song Yang, come and direct!"

I nodded: "Comrade police officer, first gather all of you and assign some tasks."

"Okay, I'll call now."

The fat police officer went out first, Sun Bingxin came in later, and she said that more chlorpromazine hydrochloride was tested in the stomach. It seems that the killer has prepared a lot of this tranquilizer, but it can be used as an investigation direction.

Huang Xiaotao wondered: "This small county town has been calm for twenty years. We have had such imitation crimes since we came. Is this case really caused by us?"

I said, "It shouldn't be. When the first case happened, we were just here. I think the sword **** knew something in advance and reminded us at this point!"

Sun Bing said indignantly, "He knows why he didn't stop it! The two girls died like this, which is a pity."

Huang Xiaotao sneered: "He is just a pervert who claims to be an incarnation of justice. He is not a hero, so why stop it?"

What they said reminded me why the sword **** didn't stop, did he think that these two dead people should be damned!

I suddenly thought of something and immediately asked: "Is the identity of the second dead found out?"

Huang Xiaotao said, "Ask the fat police officer later!"

It's only 6:30 in the morning, and the police officers haven't come yet. Huang Xiaotao proposed to go out for breakfast first. I want to ask Sun Bingxin to compare the DNA of the two deceased. relationship?"

I said, "It's just one of my conjectures. I've worked hard for you, and I'll invite you back to dinner."

Sun Bingxin laughed: "You're welcome!"

The pace of life in the small county town was really slow, and the police officers arrived one after another at nine o'clock. We held a case discussion meeting, and the two sides exchanged information. I asked them to help check some clues: the detailed identities of the two dead people; The surveillance video and witnesses that may have occurred when the case occurred; whether there were discarded murder weapons around the scene; the source of chlorpromazine hydrochloride used by the murderer; and all relevant personnel in the serial homicide case 20 years ago.

After the meeting, Wang Yuanchao went to investigate the identity of the deceased. I plan to meet the injured police officer Nie Yalong!

As he was about to leave, the fat police officer came after him, holding an empty medicine bottle in a bag in his hand, saying it was the evidence found in the last murder.

I looked at it by mistake, and the medicine bottle said ‘Tetanus Immunoglobulin’, which is a common tetanus vaccine on the market. I asked where did the fat police find it? He said it was found in the handbag the deceased had left in the room.

Huang Xiaotao said: "The bottle is empty. Is the potion injected into the dead?"

The first deceased, Xiao Feng, was pushed and dropped from a high place. Her body and blood were blurred. I can't guarantee that there are no pinholes, but I can be sure that she did not have tetanus. Because if it is punctured by rusty metal, the wound will be very conspicuous, and I will never miss it.

Sun Bingxin proposed: "Examine it, I have kept several blood samples of the last deceased."

So we came to the laboratory, the DNA sequencer was still working, and Sun Bingxin took the marked blood sample from the refrigerator. The targeted detection was very fast, and within fifteen minutes, the results came out. Sun Bing said, "There is no tetanus vaccine in the blood of the dead!"

Huang Xiaotao asked: "Are you sure?"

Sun Bingxin replied: "I tested three groups and the results were all negative, absolutely no."

I was playing with the small bottle in my hand, and I couldn't figure out the meaning of this thing in the bag of the deceased. I groaned, "Is it a message that the killer wants to convey like the gecko?"

Huang Xiaotao supported his forehead: "The two have nothing in common, don't think about it, if every clue is meaningful, that case is too easy to break ..."

I smiled: "You're right!"