Concubine

Chapter 456 Special Cutting Creation
Yang Qiuchi ordered these death penalty cases to be suppressed first, and to examine them in detail when he was free, and then ordered to transfer the case file of Xu Lingzi's murder.

The clerk of the Yamen punishment room hurriedly transferred the file and presented it to Yang Qiuchi. It was sealed in a large envelope, and it could be seen that there was not much in it.Yang Qiuchi opened the envelope and dumped the contents on the desk.

Inside was a dagger stained with pale yellow blood, several testimonies, and a corpse.

Yang Qiuchi first lowered his head to examine the dagger carefully. This dagger is double-edged, with a blood groove in the middle. The light yellow blood stain is located in the front half of the dagger.

This one is reserved for later inspection, Yang Qiuchi picked up the body first. Although the ancient body lists many items that need to be recorded, the requirements are not detailed, and the records are very rough.It only briefly records the time and place of the incident, the identity of the deceased, the physical examination, and the inspection officials, criminals and witnesses.

Physical examination is what Yang Qiuchi cares most about.But I only remembered one sentence: "A dagger is inserted into the left heart." This sentence is too simple, and there is no specific location, shape, size, etc. of the wound.

Looking at the testimonies again, it was to collect evidence from the maid who found the body, and the question was simple. That morning, the maid serving outside the house saw that the new grandma’s house had not been moving, and the maid serving inside the house also did not get up. Called the door and it was bolted from the inside, went around to the rear window and found it open, looked in and found the new granny had been killed.This is consistent with what Xue Lu said.

The other testimonies were of little value either.

Although the fingerprints and other traces on the dagger may have been messed up by the police officers who extracted the dagger, Yang Qiuchi habitually wrapped the dagger in a sweat towel and put it in an envelope, and then put the testimony and corpse Put it in and give it to Song Yuner for safekeeping, and prepare to analyze and study the dagger carefully after returning home.

Afterwards, Yang Qiuchi ordered the police officers who participated in the on-site investigation that day to be called, and the ten fingerprints of each person were taken.

After all this work, it's time to open the coffin for an autopsy.Xue Lu had been sending people to follow Yang Qiuchi and the others, and when they were done, he led them to the cemetery outside the city where Xu Lingzi and the two maids were buried.Since Xu Lingzi was only Xue Lu's concubine, he couldn't be buried in the Xue family's ancestral grave, so he found a feng shui treasured place outside the city to bury him.

Xue Lu has already dug up three graves with his own soldiers and servants, and the coffin has been taken out and put aside.

When Yang Qiuchi arrived, he ordered the three coffins to be opened to let off the smell.

The coffin has only been buried in the soil for about half a year, and it has not rotted yet.Xu Zuo pried open the coffin lid, and a corpse smell gushed out, making people want to vomit.

Smelling this smell, Yang Qiuchi was sure that at least the corpse in the coffin hadn't completely decomposed.Undecomposed corpses can obviously provide much more information than bones.

After a while, the smell was not so strong, so Yang Qiuchi put on the special autopsy gloves, first went to Xu Lingzi's coffin, carefully lifted the quilt covering the corpse, and looked with his head, he was overjoyed The skin on the face of the corpse has not yet shown the terrifying sight of a corrupted giant, which means that the corpse is only at the beginning of corruption. In this way, more useful information can be found.

Xu Lingzi died on the third day of September. At that time, the weather had turned cold, and then came the cold winter. Since he was a concubine, there was no problem of making a fuss about getting married, so he was buried in the ground very quickly, which greatly affected his life. The progress of the corpse's corruption has been slowed down, so even after half a year, the corpse has only just begun to decay.

Xu Lingzi was wearing a new dress, and asked Xue Lu to learn that the dress when the deceased was killed had been replaced and burned. This made Yang Qiuchi feel very sorry, because sometimes the victim's dress can also provide a lot Useful information can be used to find clues to the murderer.

Yang Qiuchi untied Xu Lingzi's dress, and sure enough, there was a knife incision on the heart of the left chest, with double acute angles, and the probe test had pierced the heart, which was a fatal wound.Examination of other parts of the body showed no abnormality except that the jaw was dislocated.

Inquiring Xue Lu, I learned that before the body was buried, Wen Zuo had thoroughly cleaned it, including the inside of the road.Hearing the news, Yang Qiuchi was very depressed. In this way, no useful physical evidence such as saliva spots, fluid or epithelial cells could be extracted from the corpse.

Yang Qiuchi asked Song Yun'er to help dress the corpse, and then he went to the coffins of the two maids to conduct the autopsy.

The two maidservants were only fifteen or sixteen years old, and the cause of death was very clear, both of them were fatally stabbed in the neck, which almost cut off the neck completely.The murderer's attack was very vicious and cruel.

The corruption of the corpses of these two servant girls is lighter than that of Xu Lingzi, which is related to the cause of their death.

Human body spoilage is a process in which body tissue proteins are decomposed by spoilage bacteria. If the environment or human body conditions are conducive to the reproduction of spoilage bacteria, the spoilage speed will be very fast, otherwise it will slow down.After a person dies, the spoilage bacteria that originally parasitic in the human mouth, respiratory tract and gastrointestinal tract will enter the blood vessels and lymphatic vessels and multiply in large numbers, decomposing and destroying human tissue proteins.

However, if the deceased died of acute hemorrhage, on the one hand, the water required for the propagation of spoilage bacteria will be lost in large quantities to inhibit the growth of spoilage bacteria; speed, thereby causing corruption to slow down.

The necks of these two servant girls were cut, causing acute bleeding in the body, so the degree of corruption of the two is lighter than that of Xu Lingzi.This provides good conditions for observing the wound condition.

The incision on the servant girl's neck was smooth, so it must have been cut with a sharp instrument.

Yang Qiuchi buried his head in the coffin and carefully observed the wound wall bit by bit. The observation of the wound wall was helpful to determine the characteristics of the murder weapon.

Sure enough, hard work paid off, Yang Qiuchi soon found that there was something wrong with the incision, but he didn't know what was wrong.

Yang Qiuchi first asked Song Yuner and the others to retreat to a distance, then took out a magnifying glass from the forensic evidence investigation box, pushed the deceased's head aside to better expose the incision, and then used the magnifying glass to carefully observe the neck incision, inch by inch. Observing the past, finally, on the smooth wound wall, I found a rough line with the width of a grain of rice, from top to bottom, if you don't look carefully, you can't see it at all.

Is it caused by corruption?Yang Qiuchi wasn't sure, so he hurried to another maid and carefully checked the wound on that maid's neck, and there was also such a rough linear mark.

Song Yun'er looked at Yang Qiuchi running around to check something in his hand, a little strange, she couldn't help asking from a distance: "Hey~! Brother, what's the matter? Is there something wrong?"

Yang Qiuchi put the magnifying glass back into the investigation box, beckoned Song Yuner to come over, and said, "Didn't we agree that you will be responsible for arresting the murderer in this case?" Yang Qiuchi pointed to the cut on his neck and said to Song Yuner, "You Take a closer look, is there anything wrong?"

Song Yuner lowered her head and looked at it for a long time: "Judging from the cut surface of the skin layer of the neck and cervical vertebrae, it should be a sharp incision, and only one slash almost cut off the neck. The knife was very fast and the force was very strong."

Song Yuner has followed Yang Qiuchi for so long, and she has also learned many professional terms. In addition, she is strong in martial arts, and has a more perceptual understanding of the wounds caused by this kind of slash, so she speaks clearly and logically.

Yang Qiuchi nodded: "Look carefully, is there any more?" After a pause, seeing Song Yun'er's bewildered face, he pointed to the wall of the wound, especially the relatively rough part.Song Yun'er bent down and almost brought her nose to the incision, but she still didn't find anything.

It's no wonder that this kind of difference can't be seen at all if you only observe it with the naked eye. Yang Qiuchi also relied on years of experience to feel the difference from normal sharp wounds, and he was able to confirm it through a magnifying glass.Although Song Yun'er has keen eyesight, she has no professional training and lack of knowledge in this area, so naturally she can't tell.

Yang Qiuchi pointed to the rough scar the size of a grain of rice and said, "This part of the incision is different from the marks on other parts, can you see it?"

Yang Qiuchi pointed out the different lines with a probe, and now Song Yuner noticed it and nodded, "It's not the same."

"Why is it different?"

"It seems...it seems not so smooth...a bit rough."

"Exactly!" Yang Qiuchi laughed, "My Yun'er's eyes are more effective than a magnifying glass."

"Magnifying glass? What magnifying glass?"

"It's just... just keep your eyes wide open, some people can't see it no matter how wide they are. Hehe"

Song Yun'er was a little proud: "People who practice martial arts, it's okay to have bad eyesight, if you can't see clearly, then it's all over."

Yang Qiuchi said: "Now check the three corpses and see if you can find clues to solve the case."

"Okay!" Song Yun'er agreed excitedly, and looked carefully at each of them. In the end, her eyes full of excitement darkened, and she shook her head: "Except for the possibility that Ji Gang's Jinyiwei did this. I can't find any clues other than clues—and even this one, if you hadn't told me, I wouldn't know. What a fool I am!"

Yang Qiuchi patted her on the shoulder: "You can't say that, after all, you are not specialized in this business."

Song Yuner pursed her lips: "Then you are not, you were just a little apprentice before, and your master's ability is no match for you, how do you know so much?"

Yang Qiuchi smiled, and pointed to his head: "Think here, think and think and you'll be fine."

"Hmph! You're going to tease me!"

Yang Qiuchi put his arms around her waist and said: "I can give you a little hint, you should be able to find the clues, and after more inspections, it will be over time."

Song Yuner nodded happily.

"The wall of the wound cut by a sharp instrument is very smooth, you know that." Yang Qiuchi let go of her small waist, and pointed with a probe to the rough line of the incision on the neck of the corpse in the coffin: "But The place where the cut was cut is not very smooth, but also a little rough, kind of like..."

"Tear the wound!" Song Yun'er exclaimed excitedly, "I know, the murderer's machete has a crack!"

Yang Qiuchi opened his eyes wide and looked at her: "Look, you still say you're stupid, but I just said the beginning, and you can guess it."

Song Yuner was a little proud again: "This person has been dead for a long time, if it is a fresh wound, I should have seen it long ago."

"Well, then based on this discovery, talk about your detection ideas!"

Song Yun'er pondered for a while, and said: "Judging from the traces, the gap on the murderer's sword is the size of a grain of rice. As far as the knife is concerned, it should be considered a big gap. Since we have locked the suspect in the range of Ji Gang's Jinyiwei Well, let’s investigate based on two clues, one is Jin Yiwei who suffered from Hualiu disease around the third day of September last year when the case happened, and the other is Jin Yiwei who used the Xiuchun Knife with big gaps in rice grains. Isn’t that right?”

Yang Qiuchi nodded: "That's right, but the second clue can't be used as the main detection direction yet."

"Why?" Song Yuner wondered.

"There are tens of thousands of Jinyiwei in the capital, do we need a knife to check them?" Yang Qiuchi smiled, "Besides, although the murderer is almost certainly Ji Gang's Jinyiwei, but the murderer does not necessarily use the Xiuchun knife to carry out the assassination. , if he used another knife, even if we searched all the more than 1 Xiuchun knives in Jinyiwei in the capital, we would not be able to find this person."

"Hee hee, that's true. Then this clue is basically useless?"

"That can't be said that way," Yang Qiuchi said, "at least, this feature can be used when we identify criminal suspects in the future. At the same time, Jin Yiwei, who is suffering from Hualiu disease and has a gap in the knife, is basically the same. It's definitely the murderer."

"Well, however, there is a gap the size of a grain of rice on the blade. This knife is generally expensive, and it is not worth polishing. Generally, it has to be reforged."

Yang Qiuchi's heart moved: "That's right, the issuance, recycling, repair and replacement of Jinyiwei's Xiuchun Knife are all managed by Jinyiweili Armory. If you continue to use it, there must be a replacement registration in Jinyiwei's armory, check the replacement records in September, maybe you will find something!"

The two were delighted to have found another clue.

Next, Yang Qiuchi took blood samples from the deceased.After the autopsy was over, Xue Lu stepped forward to inquire about the inspection situation. Yang Qiuchi couldn't go into details with him, but only said that he had found some clues and would continue to follow up.

Back in Yang's mansion, Yang Qiuchi first went to his study to examine the dagger.

Because Lu Huanji, who was bestowed by the emperor, had an affair in his original study, Yang Qiuchi felt unlucky and ordered it to be demolished and rebuilt.And it was built according to my own thinking, so that the solar battery that I put on the roof is well concealed, and my large aluminum alloy cabinet is also well concealed.

Yang Qiuchi took out the dagger and carefully inspected the handle of the knife wrapped with the rope with a magnifying glass, but found no blood fingerprints. Presumably, after the stabbing, the murderer let go of his hand before the blood splashed on his palm, or , simply flew the dagger out of a certain distance and stabbed the dead man's heart.

In this way, it is impossible to leave bloody fingerprints on the dagger.All that's left is to look for the colorless sweat-stained fingerprints.

Yang Qiuchi carefully brushed the handle of the knife with a magnetic fingerprint brush, and extracted several incomplete fingerprints.Yang Qiuchi was very happy.It was compared with the fingerprints of the arresters who had previously participated in the on-site investigation extracted from the Yamen.

After the comparison, Yang Qiuchi was dumbfounded. The few incomplete fingerprints on the handle of the knife were all left by the police who participated in the on-site investigation at that time.

Could it be that the murderer left no fingerprints on the handle of the knife?

Things that people touch do not leave fingerprints of course. Whether they can leave fingerprints, or whether they can leave fingerprints that can be found and extracted by existing technologies, is affected by many factors, the most important thing is the touched object itself The characteristics of the agent, and then the sweat stains on the hands of the perpetrator, and of course, the means of extraction and technical factors.There are too many factors that affect fingerprint extraction, and it is common to fail to extract fingerprints.

Of course, there is another situation, that is, the murderer used tools such as gloves to block the fingerprints.What is the reason is still unknown, anyway, the murderer's fingerprints were not extracted is a fact.

Yang Qiuchi took the blood sample from the knife, and it matched the blood sample of the deceased, both of which were type B. However, the previous analysis of the sperm spot revealed that the murderer had type A blood, which meant that there was no murderer's blood on the knife.

This may seem redundant, but it is not. If other blood types are found on the knife, it will be an important clue. Forensic investigation is to find clues as much as possible and find the suspect based on the clues.Therefore, the forensic examination stipulates routine testing items to prevent missing important clues. These tests that may seem useless depending on the circumstances of the case must never be omitted, because no one knows which cloud has rain.Important clues to solve cases are often hidden inadvertently.

In the evening, Ma Du and Niu Dahai came to Yang's Mansion with a thick notebook.

Ma Du bowed and said: "My lord, Beizhi and Niu Qianhu took people to all the Jinyiwei doctors in the capital to conduct a detailed investigation, questioned all the Jinyiwei doctors, and checked the corresponding treatment registration. It is confirmed that he went to Jinyiwei in August or September last year due to a willow disease. A total of 120 seven people were diagnosed and treated by the doctor, and Beizhi has extracted the diagnosis and treatment register and the prescription issued at that time."

Depend on!Yang Qiuchi cursed inwardly, so many Jinyiwei suffer from the willow disease, what a bunch of ghosts and hungry wolves!Because it was publicly legalized in the Ming Dynasty, and selling was also legal. If you get this kind of disease, you don’t taboo about the disease like modern times, and you don’t hide and feel embarrassed to go to the doctor. Therefore, this data should be accurate. , which provided a very good help to the investigation.

But there are more than 100 people, how to check?

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