Netherworld Investigator Chapter 348: Psychological Reasoning

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When Huang Xiaotao and I came to the forensic laboratory, we saw a corpse covered with white cloth on the iron frame bed, and the extracted human organs were also placed in the aluminum basin beside it, except for the odor of internal organs. , I also smelled a scent of tea.

Sun Bingxin was lying on the table next to her and writing, next to her half-eaten donuts, and honey bee jasmine tea with the lid of a warm pot.

Huang Xiaotao exclaimed: "Miss Sun, are you here to eat during work, did you come to play?"

I don’t think this is the key. The key is that Sun Bingxin actually eats on this occasion...

Sun Bingxin turned around on the chair and moved his shoulders and said: "It's so boring. I used to be a forensic doctor and had to write reports every day. I was so tired to write. I knew that I would have done it." /

I smiled and said: "You won't accept female disciples!"

Sun Bingxin ran over, took out a pair of flat glasses from her pocket and put them on. The glasses were large and almost covered half of her face. She said, "Brother Song Yang, everyone said that I have a baby face. Does putting on the glasses look more mature?"

I nodded: "It looks like a person has changed!"

Sun Bing smiled heartily, but Huang Xiaotao said jealously: "Nothing can conceal the naivety of your face."

"You are naive!" Sun Bingxin snorted.

"Where am I naive?" Huang Xiaotao asked back.

"People who say others are naive are the most naive."

"People who don’t know about being naive are the most naive!"

The two are just like crickets. They have to fight when meeting each other. I interrupted them and said: "You two, pay attention to your image. By the way, I will come and look at the corpse of the wife-killing case."

Sun Bingxin opened her mouth wide in surprise: "But I have already dissected the corpse!"

I waved my hand: "It doesn't matter, just take a look."

Sun Bingxin uncovered the white cloth, revealing a female corpse with an opened chest below. Huang Xiaotao may not have watched this scene for a long time, and she covered her mouth uncomfortably. Sun Bingxin asked, "Sister Xiaotao, drink tea. Right?"

Huang Xiaotao glared at her, and she could tell from Sun Bingxin's thief smile that she said so on purpose.

I said: "What did you find?"

Sun Bingxin had his pockets in his pockets, circling the morgue in a forensic manner, and said: "The time of death was about 7:30 to 8 pm last night. The cause of death was blood reflux caused by a ruptured throat vein. The suffocation and shock caused by the deceased. There were no signs of fighting on the deceased, and no drugs were tested. There were no other injuries except the bruises he had hit during the struggle."

Sun Bingxin pointed to a plastic bag with fluids next to it and said, “That’s the stomach content of the deceased. There is the last dinner in it. It’s seafood. Through the digestion of the food, the time of death can be changed. Accurately shorten a few minutes."

I took the stubborn sentence: "In short, the deceased must have died before eight o'clock, right?"

Sun Bingxin nodded.

I put on a pair of rubber gloves and checked the wound. The wound was very flat and was drawn from right to left. From an oblique angle, the dominant hand of the murderer should be the left hand. I recalled that the suspect Ding was also left-handed.

Sun Bingxin handed over a fruit knife in a bag. The knife was sharp with some coagulated blood stains on it. She said: "This is the murder weapon found at the scene, and it fits perfectly with the wound."

There is nothing suspicious about the murder weapon. I opened the wound and looked at it: "There is some blood in the vocal cords."

"Huh?" Sun Bingxin leaned over to see: "Really!"

The human vocal cord is located in the middle of the throat. It is composed of three parts: vocal cord muscle, vocal cord ligament and mucous membrane. The opening and closing speed is very fast. Have you ever heard of someone choking on the vocal cord? almost none.

The blood in the voice means that the moment the deceased screamed, he was cut in the throat by the murderer. This kind of reaction speed can only be achieved by well-trained masters.

The pupils of the deceased were greatly dilated, and the expression showed a kind of extreme shock. I picked up her limbs and moved them, squeezed them, and asked Sun Bingxin to go to the Guguliao to fetch some things.

Huang Xiaotao and I briefly talked about the case. After a while, Sun Bingxin came back and fetched the bone tree, a bottle of potion and a few silver needles. I dipped the silver needle into the potion and stuck it into the leg of the deceased. A few muscles inside.

Huang Xiaotao asked: "What is this?"

I replied: "Measure the pH."

"The pH?" Huang Xiaotao was confused, Wu Zuo did use pH to test for drugs, but this time I was not testing for drugs.

After waiting for about five minutes, I took out the silver needle. The two exclaimed: "It has changed color!", "Is this poisoned?"

I smiled and said: "No, it's just that the deceased put a lot of muscle acid in the moment before death, so the silver needles coated with alkaline water will change color."

The so-called muscle acid is a kind of lactic acid, which will be released when the muscles are highly tense. Normal people will feel muscle soreness after exercise. This is the reason.

Huang Xiaotao asked me what does this mean? I didn't say it right away, but took the ossicles to listen to the joints of the deceased, and slowly corrected the position of her limbs with the other hand, restoring it to the posture just before death.

Since the deceased was lying on his back, it didn’t look obvious. I repeated it. The deceased stretched his hands forward, his legs were taut, and his waist was twisted to the left. Huang Xiaotao said: "This action... the deceased seemed to I’m resisting something, but it’s not surprising. Everyone will do this when they see others picking up a knife to hurt themselves."

I said: "It's not someone else, but the husband who gets along day and night! Ding Mou said that he has no place in the family. If such a man picks up a knife to hurt his wife, what should his wife's reaction be?"

Sun Bingxin replied: "Revolt!"

I smiled slightly: "Yes!"

Huang Xiaotao shook her head and said: "I think this is purely far-fetched. Regardless of the usual relationship, when encountering fatal danger, the instinctive sense of self-preservation will make her resist."

I said: "For example..."

I suddenly walked to Huang Xiaotao, almost facing her face, Huang Xiaotao asked wonderingly: "What are you doing?"

I said: "Why don't you hide?"

Huang Xiaotao laughed: "I know you very well, and you won't hurt me, why should I hide."

Sun Bingxin frowned slightly. Although this experiment was a bit abrupt, I wanted to explain one thing. I explained: "There is a safe distance in psychology! The average social distance is about one The comfortable distance between friends is about half a meter to one meter; the distance between very close people is half a meter to zero. If a stranger crosses a safe distance, the violated person will instinctively feel nervous, Uneasy, and the signs of the deceased are not like facing her husband, more like facing a stranger!"

Huang Xiaotao said slowly: "I think..."

At this moment, I saw from the shadow on the ground that Sun Bingxin was approaching me. Suddenly she approached from behind, put a hard object on my throat, and said, "What if someone close to you wants to hurt you?" /

Since I found out a long time ago, I was not surprised. Sun Bingxin said disappointedly: "Why are you so slow to react?"

I smiled and said, "Because I know you won't come for real." What she holds in her hand is her pair of glasses.

I went on to explain: "Human actions will never violate character. In the eyes of the deceased, it is impossible for a cowardly husband to do such a thing. Even if the husband rushed over with a fruit knife, she would not act like this. Horrified! There was no resistance at all!"