Chapter 323： The thrilling beauty of the golden section

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Detective Squad Two.

Chen Yan presided over the case analysis meeting.

Zhang Chaoyang is reporting the preliminary investigation.

"The deceased, Zhang Guicai, male, 48 years old, from Ergong Village, was the owner of the house on fire."

On the screen is a photo of the deceased Zhang Guicai.

"This Zhang Guicai, who served as the mayor of Ergong Village three years ago, was later reported by the villagers for embezzling collective funds."

"Later, although the hole in collective funds was filled and there was no jail time, the position of the village chief was dismissed."

"I haven't done anything in the past three years, and I've been relying on my money."

"When the victim was the village head of Ergong Village, he did things unfairly, and made a lot of money on issues such as land lease and house demolition in the village."

"The reputation in the village was extremely bad. It is said that on the day he was dismissed, many people in the village even set off firecrackers to celebrate."

"Zhang Guicai's wife went back to her parents' house three days ago, but she hasn't come back." Remember the website m.xbequge. com

"He has two sons, both of whom work in Shenshi and are married now."

"Chen team, this is the basic situation of the victim."

On Chen Yan's way back from Shen City, Zhang Chaoyang had already started a background check on the deceased.

Basic information has been mastered.

According to Chaoyang's investigation results, Zhang Guicai had offended many people in the village during his ten years as the village headman.

Coupled with the crime scene, Zhang Guicai's limbs were cut off, and the whole person was nailed to the wall. The possibility of vendetta is very high.

However, Zhang Guicai's house is far away from the houses of other villagers and is a separate house.

Apart from a surveillance camera he himself installed outside his home, there is no surveillance in the vicinity.

Moreover, after inspection, Zhang Guicai's computer hard drive for storing surveillance video has been removed.

The crime scene was completely destroyed because of the fire fighting, and Chen Yan and others did not collect any valuable clues.

Lightly tapping on the table, Chen Yan frowned.

At the crime scene, there were no fingerprints, no shoe prints, and even bloodstains, which were almost indistinguishable due to the fire and fire sprinklers.

Only corpses nailed to the wall.

On the surface, there seems to be no clue at all.

Even if Chen Yan turned on the visual gene lock, there was not much doubt found.

However, there is no doubt, in fact, is the biggest doubt.

Judging from the situation at the scene, the fire was deliberately ignited by the murderer.

Firefighters found stripped wire insulation plastic at the point where the kitchen circuit caught fire.

It is because the insulation of the circuit is destroyed that a fire can start.

Moreover, the murderer did not deliberately hide it.

Because the other party also tore off a length of wire and put it on the pyre.

This is to ensure that the pyre can be ignited if the circuit catches fire.

The body of the deceased, with its limbs chopped off, was re-pinned to the wall.

Judging from the marks of the deceased's wound, the opponent's knife was very steady.

The limbs that were cut off had no scratches on the joints, they were all cut with one knife.

The same goes for wrists, ankles, elbows, and knees.

After the other side cut off the limbs of the deceased, according to the enlarged scale, he nailed the torso and limbs to the wall again.

And the distance between each joint is precisely measured.

According to the measurement, each gap is two centimeters to five centimeters, which is very precise.

The direct cause of death of the deceased was due to shock death after hemorrhage.

Standing up, Chen Yan walked to the whiteboard and started arranging investigation tasks.

"First, visit and investigate Zhang Guicai's relationship network."

"From what I have learned so far, when Zhang Guicai served as the village head, for his own interests, he ignored the collective interests of the village, which must have directly or indirectly damaged the interests of the villagers."

"Check, find out what Zhang Guicai has done in the village these years, with whom he has interests, and with whom he has made grudges, and none of them will fall."

"Chaoyang, you are responsible for this matter."

"Yes!"

"Second, according to the preliminary judgment of Zhang Guicai's body scars, the murderer is likely to be a patient with obsessive-compulsive disorder, a person who pursues perfectionism."

Although the murderer did not leave any traces of him at the scene, the body itself was the most important clue.

"Everyone," Chen Yan turned on the projection, which was a photo of Zhang Guicai's corpse.

"The victim's limbs were cut off. Judging from the knife marks on the stubble, every joint was cut off by a knife, and no bones were injured in the slightest."

What does this mean?

"This shows that the occupation of the murderer must be very knowledgeable about the structure of the human body."

The joints of the human body are connected by ligaments and muscles.

There is cartilage tissue between bones, but the cartilage tissue is not in direct contact.

Within each joint, there are closed spaces formed by muscles and ligaments.

There is tissue fluid in it, which acts as a buffer and lubrication.

"Only people who are very familiar with the structure of the joint can use a sharp knife to cut the muscles and ligaments around the joint with one knife."

"The cut is done without damaging the bone."

Otherwise, a joint, especially the knee joint, elbow joint, etc., can't find the trick, and it may not be able to cut through a dozen knives.

"Also, look at the distance between each limb."

Chen Yanjian enlarged the photo and compared it behind the scenes.

"After the murderer dismembered the victim, there was a gap of two to five centimeters between each joint."

"This is the distance deliberately left by the murderer, and it has been measured with a ruler."

Three photos are enlarged.

"This is a photo on the wall after the left calf and right upper arm were removed."

"Everyone, look here," everyone held their breaths and looked closely, there were two nail marks.

"There are two traces of nail gun fire here."

"We tested it. If the arm is placed according to another nail trace, the distance between the upper arm and the forearm becomes 4.8 cm."

"2mm!"

Chen Yan's thumb and forefinger stuck together, contrasting the 2mm gap.

"Normally speaking, this distance is difficult to detect with the naked eye."

"But the other party re-immobilized the limb because of these two millimeters."

"There is also the left calf. There are also two nail gun marks on the wall. The measurement distance is 3 cm, and the distance error between the two nail marks is 3 mm."

"in addition!"

Chen Yan took a half step back and switched photos again.

It is a photograph of the front wall of the nailed corpse.

"Look at the wall where the murderer fixed the victim's body."

Chen Yan discovered this when he was at the scene.

There is an eerie comfort in the position of the corpse in the front.

It's where the corpse was nailed.

Up and down, left and right, everything looks very comfortable.

It seems that moving any position by half a minute is wrong.

"Everyone looks at the position of the body's head and the position of the feet."

"The distance between the arm and leg joints from the ground to the ceiling."

"And the whole body, the position in the wall, the distance from the two ends of the wall."

As Chen Yan said, red distance lines appeared on the photo on the projection.

Mark every distance Chen Yan just said.

The center point of the corpse is 3.5 meters away from the window, that is, the southern end of the wall.

The distance from the other side to the north end of the wall is 5.66 meters!

"Let's look at the center point of the arm joint, the distance from the ceiling is 0.9 meters, and the distance from the ground is 1.46 meters."

"There is also the center point of the knee joint gap of the thigh. UU Reading is 0.9 meters from the ground, and the distance from the ceiling is 1.46 meters!"

Chen Yan looked at everyone: "Does everyone know what this means?"

Wang Gang scratched his head: "Captain, do you mean the wall is 9.16 meters long and 2.36 meters high?"

Chen Yan: "…"

Okay, you're right.

"Apart from that?"

As soon as Chen Yan finished speaking, a very small voice came from the conference room.

"Chen team...do you mean...golden section..."