Li Xu paused abruptly because the mobile phone in her bag had a text message or WeChat prompt sound, she put aside the case, quickly took out the phone from the bag and looked at it, frowning. Small-Say-Clan(尒説蔟)

From where I was standing, I couldn't see the content on the screen of Li Xu's phone, but I could see that she deleted the text message after reading it.

She continued, speaking much faster: "From a psychological point of view, people like Cheng Donglin generally only get worse and won't stop easily, but I don't know what's going on, and after he finished the 'dry well case' in 2012, he suddenly stopped, and there have been no related cases since then." At first, I wondered if it was him who had changed his pattern, so the new offender case was not considered for serialization, but after careful study, it turned out-"

She stopped, moved the ninth pile of materials in front of me, tapped it with her knuckles, and said, "This is the ninth case committed by Cheng Donglin, which is the last case of the serial case, because the body was found in a dry well, so it is called the 'dry well case', and this case is completely out of the pattern." ”

While listening to Li Xu, I picked up the file of the "Dry Well Case" and looked through it briefly.

The deceased was a 23-year-old girl named Xing Weina, a native of Heilongjiang, who was strangled to death, with multiple scars caused by resistance, and her body was tied with thick nylon rope and discarded in a dry well more than 30 kilometers away from Liangbao City. The police first investigated for a while in the direction of seeking money and killing people, and then turned to vendetta and love killing, but to no avail.

I think Cheng Donglin's behavior is quite strange, every time he does not completely destroy the victim's belongings and documents, and a few of them are even thrown directly next to the corpse.

But when I think about it deeply, I feel that I can figure it out, because he is a mentally abnormal person at all, so the things he does are also a little abnormal, and I am afraid that there is a provocation to the police in this behavior, I will leave you some clues to see if you can catch me.

Li Xu said that the "dry well case" is out of the mode, and I can also see it, Cheng Donglin's criminal methods are becoming more and more clever every time, more complex and more sophisticated, and more and more exquisite, but when it comes to this case, it suddenly becomes simple again, just strangle people to death and then abandon the corpse, without too much torture, and without any arrangement of the scene, it is a little scribbled like what he did.

I asked Li Xu if that was what he meant.

She nodded: "Generally speaking, this kind of regressive behavior will not happen, unless it happens suddenly, and he himself did not expect it." So I suspect that the victim of the 'dry well case' should have been investigating the cause of someone's death before his death, and found out Cheng Donglin, maybe because the evidence was insufficient or uncertain, and wanted to talk to him face-to-face to see if he could find something, but Cheng Donglin realized his purpose and buried his life. For Cheng Donglin, this is an event out of control, and there is no preparation and no time to deal with the aftermath, so he can only do it hastily. ”

That's what I thought, too.

Li Xu said: "I suspect that Xing Weina found out that Cheng Donglin was a serial murderer, and came to talk to him, but the other party noticed that there was a problem. Cheng Donglin should have learned from Xing Weina that he had any tricks that were still in the hands of others other than her, or there was more than one person who suspected that he was a killer, so he stopped committing the crime later, for fear of setting himself on fire. ”

This can indeed explain a lot of doubts, such as the time of the crime, before the "dry well case", Cheng Donglin's crime was very regular, it was one per year, not many crimes, and no missed crimes, but in 2012, two cases were committed, and three months after the "bridge pile case" was the "dry well case", which shows that Xing Weina's appearance was an accident that he had to get rid of.

After that, the topic returned to the evidence, Li Xu believed that the evidence that could convict Cheng Donglin should be the key, because at least the families of the eight victims found that a key was missing from the deceased's belongings, some were car keys, some were door keys, and some were safe keys, all of which were not necessarily, they must have been taken away by the murderer and preserved as a medal of merit. Serial murderers are easy to have this addiction, the first time may be inadvertent, and the second time it must be deliberate, which is the same psychological logic as some serial murderers like to leave special marks at the scene of the murder.

Li Xu said: "More than a year ago, I got a fake identity, looking for a chance to get close to Cheng Donglin, I saw him six times before and after, it is really normal on the surface, the kind that no one will pay attention to on the street, no smoking, no drinking, not lustful, only preference for metal products, keys are one of the most important categories." ”

I imagined what Cheng Donglin looked like in life, a very inconspicuous man in the crowd, when he saw the metal products he liked, his eyes shot a greedy light.

I think he must have had a similar light in his eyes when he was killing.

Li Xu seemed to be in a hurry to leave, and sped up his speech: "I later sneaked into Cheng Donglin's residence when he was not at home, and saw most of his metal collections, from coins to tools, full of rooms, there are several boxes of keys alone, tens of thousands, I can't find out nine of them that belong to the victim, but, since it was taken from the victim, for Cheng Donglin, it is a trophy, it can't be treated the same as ordinary collectibles, it must be hidden in some other more hidden place, I didn't find it." ”

As I listened, I couldn't help but laugh in my heart, thinking that this woman was really open-minded, and she could actually say in front of the police that she had "sneaked into" the other party's home while no one was there, and I really didn't dare to change me, although I had sneaked into other people's houses more than once. So, she can be regarded as a character, I can't be counted, the lazy judgment I made before was very correct, I am actually timid, cowardly, hesitant, unprincipled, and easy to be swayed by others due to emotional and trust factors.

Moreover, as far as Lou Mingjiang said last time, her "sneaking" should be an act like breaking doors and smashing windows, which is really like a hero in Liangshan.

I asked her, "When did you sneak into Cheng Donglin's house to find evidence?" ”

She replied, "A month and a half ago." ”

I nodded slightly, immediately understanding what was going on.

I don't think it's that Cheng Donglin hid the evidence well, but that someone took it first.

It is the "hand of God".

The "Hand of God" would not have convicted Donglin without evidence, he must have obtained the key as evidence, confirmed with the victim's bereaved family in Liangbao City, and then began to carry out the revenge serial murder case in Qianzhou.

Li Xu lowered his eyes and took a deep breath, looking like he was so tired that he was about to die, and it was estimated that he hadn't closed his eyes for three or four days.

The old lazy who had been sitting in the corner without speaking suddenly opened his mouth and asked her, "Why did you go to Liangbao City to investigate those cases?" ”

Li Xu turned his face to catch the cold gaze of the old lazy dead man, smiled angrily, and pouted and shook the four words: "I like it." ”

After speaking, she stood up, propped up the table with both hands, looked at the materials in order, remembered something, turned her face to look at me, and said: "The autopsy report did not specify exactly, but I suspect that there are several cases in which Cheng Donglin used chloroform, a drug that can quickly coma when he kidnapped the victim, otherwise it would be difficult to do it with his size." Did you do the corresponding toxicology test during the autopsy? ”

Liu Yimin happened to walk in, and he smelled the smell outside the door, wrinkled his face to find the source of the smell, saw a strange woman, saw materials all over the ground, and heard such a sentence, he was very confused and couldn't figure out the situation.

I first answered Li Xu's question: "I have done the corresponding toxicology tests, but no residues of drugs such as chloroform have been found. ”

Then they each glanced at Liu Yimin and Lao Lazy, and hesitated to tell her about the discovery of some kind of biological anesthetic toxin in the body of the deceased in the "disembowelment case" that could not be determined what it was, as well as the silver shell terrier flower liquid and the strange brain fluid found in the nose of several corpses.

After hesitating for a few seconds, I felt that these situations must be very important and could not be disclosed casually, especially not to such a woman of unknown origin and with a murderous aura, so I still gave up.

But Li Xu had obviously judged from my look that I had something I wanted to say but couldn't say, but she was very clever not to ask, so she pretended not to see it, and casually shook the question over.

Liu Yimin wanted to ask me who the woman was, but after considering the atmosphere, he didn't ask, but told me the results of his phone call with Liang Baoshi.

The police in Liangbao City said that the autopsy report of the "bridge pile case" may have been lost during the handover and relocation, and the computer data was also lost due to a system crash.

I immediately looked at Li Xu.

But she lowered her eyes and did not look at me, nor did she make a sound.

I lowered my head suspiciously, and turned over all the materials of the "bridge pile case" she sent over, but as a result, there was no autopsy report.

There are several photos of the body at the scene of the murder, an old man with white hair is tied to a bridge pile, half of his body is in the water and half of his body is on the water, his arms are open, his head is lowered, and it is clearly a picture of the crucifixion. There were also photos of the bodies being put in black body bags, but they were never seen since.

After the body was put into the body bag, there was no more information, whether it was text or pictures, as if the body had suddenly disappeared.

I asked Li Xu if he knew what was going on.

She looked at me, her eyes flickered, and she shook her head, "I don't know." ”

That flicker convinced me that she knew the reason very well, but like me just now, it was inconvenient to say because of the seriousness of the implications.

So I didn't ask, I just said to Liu Yimin: "It seems that there are still some complicated secrets here." ”

Liu Yimin nodded, moved his gaze to Li Xu again, and looked at her with a question mark on his face.

She didn't reject that kind of puzzled look, and generously instructed him: "Don't bother to check the people who made anonymous calls to you before, I promised not to involve him." ”

I was surprised, I really didn't expect that the person who made an anonymous phone call to tell us the details of the nine murders actually had a relationship with her, and it seems that he should have discussed that call with her.

Therefore, my previous judgment was not wrong, the anonymous person must be someone from inside the public security system, and these files sent by Li Xu were kept by him.

In other words, she completed the errand that I asked Dai Furong to do, but was rejected by him, and it was such a coincidence!

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