Chapter 644: Ox Knife

Eating fish at night.

Collecting corpses from the sewage pond during the day made many people feel slightly uncomfortable, so they could only eat some aquatic animals at night, such as coral trout, grouper, swimming crab, hairy crab, mantis shrimp, etc. This time it was Jiang Yuan's treat, and it didn't use the Zhengguang Bureau's funding, so that Tao Lu and others could feel better.

Tao Lu went down the slope, took Huang Qiangmin's arm, and talked for more than ten minutes with a red face.

The case must be carried out. At this time, even if Huang Qiangmin's requirements were more demanding, Tao Lu might agree to them. Therefore, after the final conditions were reached, Tao Lu even felt that Huang Qiangmin's requirements were not particularly super excessive.

Jiang Yuan didn't care about them, ate half a coral trout like a storm, peeled a swimming crab, and then used half a bowl of mantis shrimp, two spoons of Lao Gan Ma, and a little mustard to match half a bowl of rice. He wiped his mouth and said: "I'm going to see the corpses."

Tonight is destined to be a sleepless night. Without waiting for tomorrow morning's working hours, the special task force needs an autopsy report. Otherwise, others in the special task force have to wait for the report before they can work.

Jiang Yuan didn't care much about staying up late, just like doctors, although they always urge patients to rest well and eat a light diet, they actually overeat and stay up all night. Many doctors actually see too many people who get sick for no reason.

Forensic experts are actually about the same. For example, the six corpses this time, although they hook up, drink, stay up late, and some may smoke, they are all very young corpses. Normally, they are far from death.

And these six people, none of them have a reason to die.

They just chose a lifestyle.

Strictly speaking, the murderer can also explain that he chose a lifestyle, but his lifestyle obliterates other people's lives. At this time, someone should stand up and fight back, eye for an eye, tooth for a tooth.

"Any discoveries?" Jiang Yuan put a large food box on the empty table.

The veteran comrade Zeng Lianrong smiled with a very good attitude and said: "Just did some checks and measurements. The data is all in the notebook. Two victims, the fifth and sixth are both female. Among them, the fifth's knees also have certain wear traces, suspected to be caused by exercise..."

Zeng Lianrong didn't look at the record book either, described the conclusion he reached, and then gave the position to Jiang Yuan.

Jiang Yuan nodded and stood in front of the autopsy table without giving way.

Corpses that only have bones left don't need sharp objects like scalpels, and the autopsy table itself is clean, keeping the metallic luster.

However, few forensic experts like such corpses.

Everyone would rather have fresh ones, flesh that will tremble when patted, which is simple to do and easy to get conclusions, unlike white bones, which are clean, but don't get useful results, all in vain.

Jiang Yuan checked the bones on the autopsy table one by one. When he saw the knee part, he said: "The second corpse's knees also have very serious wear."

"Yes, and it's also the appearance of exercise injury." Zeng Lianrong specifically raised this point just now, also considering this situation.

Among the six corpses, there are four female corpses, and two of them have exercise injuries on their knees. To make a certain inference with such a proportion is a bit small, but it definitely cannot be ignored.

Jiang Yuan looked at the fifth's knees carefully, and asked someone to take out the second's knees for comparison, and then said: "The type of exercise performed feels different. The second's injury situation is more consistent with the situation of weight-bearing training. The fifth's is more consistent with exercise like running and race walking."

Zeng Lianrong could actually see it, and immediately nodded: "I agree. However, if it is exercise in the gym, both are consistent."

"Indeed." Jiang Yuan didn't commit himself. This case assumes that the victims were invited through social software. From this inference, the probability that the victims come from the same area or even the gym is not high, unless they are all local residents, but this does not match the report information of the missing persons.

The young forensic experts like Zhan Kan on the side, while listening to the dialogue between Jiang Yuan and Zeng Lianrong, also stretched their heads to look at the knees, pondering the ideas of the two.

This industry of forensic medicine is somewhat like the antique industry. Many things have to be looked at and touched by hand, and then constantly stimulated positively to form concepts.

For example, knees with exercise injuries, if you compare them with the explanations in books without contacting the real objects, it is about the same as guessing blindly. Only by seeing more and looking more can you confidently make judgments. Of course, this must be based on the theory of anthropology.

Zhan Kan just started looking at the knees, and Jiang Yuan picked up a few vertebrae of the fifth and looked at them.

Zeng Lianrong leaned over for the first time, his movements faster than the young forensic experts.

"You also discovered it." Zeng Lianrong didn't wait for Jiang Yuan to speak, and said the answer first.

Several young doctors looked over without knowing why.

"Are you referring to the scratches?" Jiang Yuan put the first thoracic vertebra aside alone.

Zeng Lianrong laughed and nodded: "Right. The scratches are very fine, and you can't see them if you don't look carefully. What tool do you think caused it?"

"Ox knife, I guess. The kind of single-edged one, with a bit of arc, with a tip, thin blade, sharp..." Jiang Yuan said the characteristics of the knife blade that caused the scratches in one breath.

Zeng Lianrong's smile gradually disappeared.

"How did you see it's single-edged?" Zeng Lianrong asked.

"Look, the indentation is uneven." Jiang Yuan handed over the horseshoe mirror.

Zeng Lianrong asked: "Has a tip?"

"Has a blunt mouth." Jiang Yuan pointed to the position. Here, the bone has a small pit slightly downward, which is almost indistinguishable from normal depression under the corrosion of sewage.

Zeng Lianrong looked for a long time before sighing: "Your eyes are really good."

"Young." Jiang Yuan humbly said harmoniously.

Zeng Lianrong smiled, and his expression gradually calmed down. He could see that the scratches were very fine, and he also guessed that it should be a single-edged knife, and from the thickness of the scratches, he guessed that the blade should be very thin, but that was all. He didn't see whether the knife had a tip or an arc.

And these two points actually largely determined the type of knife.

Just like the "ox knife" that Jiang Yuan blurted out, two words can save a lot of screening time, as well as the police force of the special task force. In the process of solving the case in a race against time, it is extremely meaningful and is definitely a manifestation of forensic skill.

"The ox knife scratched at this position of the thoracic vertebra, it doesn't look like it was stabbed in..." Zhan Kan has at least LV2.0 forensic pathology level. At this moment, he gestured twice and saw a little abnormality.

Zeng Lianrong looked at Jiang Yuan and added: "This is a trace of dismemberment."

"Eh, was the fifth dismembered?" Zhan Kan was surprised.

"It is possible that when it was put into the bamboo basket, the corpse was already a bit stiff, so a few pieces were cut down to fit in." Zeng Lianrong has seen a lot and immediately said a possibility.

Jiang Yuan said: "Using an ox knife to dismember a corpse is still a bit difficult."

"Have medical background, or slaughter experience?" Anyone who has killed someone knows that without technology, it is best to use an axe to dismember a corpse, at least it must be a bone-chopping knife with a thick handle. Daring to use an ox knife to dismember a corpse and leaving only very shallow knife marks is a relatively superb technology.

Jiang Yuan nodded slowly.

Zhan Kan was slightly excited: "At least narrowed the scope."

"See if other corpses have traces of dismemberment." Jiang Yuan changed a pair of gloves and said: "If all are dismembered with an ox knife, the traces may be very shallow. All places with similar knife marks must be carefully checked and marked." ===== CHAPTER 645 =====