Forensics

Chapter 2 Buoyancy Experiment

Someone took over the difficult job, and Cheng Gong suddenly felt that he had met a savior.

Wen Wan communicated in the group, and the leaders naturally gave the green light all the way.

During this time, Shen Junci had already made preparations.

However, Wen Wan was still a little worried, and said to Shen Jun: "Forensic Shen, you try it first, if you feel that the hand feels wrong, we will find a way..."

Before the gentle words were finished, Shen Junci skillfully picked up the dissection tools.

His fingers were long and slender, holding a knife like a pen, and he cut it down without hesitation. When the scalpel passed, the baby's abdomen was completely cut open.

This knife is stable and accurate, from top to bottom, the blade is flat.

Shen Junci's eyes were extremely focused, as if he only had this corpse in his eyes.

Wen Wan didn't say anything more, she and Cheng Gong exchanged glances, and came to the conclusion that Shen Junci was really good.

After opening the abdominal cavity and opening the peritoneum for observation, the chest cavity needs to be opened.

It is difficult to separate the muscles of the chest when dealing with this kind of baby's chest. The scalpel should be attached to the ribs, so that neither the bones nor the chest can be cut.

Shen Junci's knife was cut cleanly, and the flesh and blood were separated with a slight sound.

The scalpel cuts along the boundary between the costal cartilage and the ribs, and then precisely penetrates the baby's second costal cartilage, and makes an "S"-shaped incision where the sternoclavicular joint connects with the first sternal rib, and removes the rib after separation. Expose the internal organs.

The stomach is deflated, hidden under the ribs, and it is not as big as a pigeon's egg.

Shen Junci selected the position below the throat and above the diaphragm, and then began to ligate the trachea and esophagus with surgical thread.

A baby's internal organs are small and soft, like a plate of crumbly jelly.

Shen Junci lowered his head and moved his fingers deftly, then gently pulled the thin thread.

At this time, if the force is too high, the trachea and esophagus will be strangled directly. If the force is too small, the effect of ligation will not be achieved.

Cheng Gong saw Shen Junci's fingers move lightly, and then cut them cleanly, taking out the baby's neck organs, together with the heart and lungs carefully.

Cheng Gong hurriedly picked it up with a tray, and then took the baby's lungs for inspection under a light microscope: "The lungs are spongy, with a reddish-brown surface, and the alveoli are slightly expanded..."

Wen Wan prepared pure water beside her.

Cheng Gong carefully put his heart and lungs into the water, and the four of them stared at the glassware intently. At first, the internal organs sank for a moment due to the gravity of entering the water, and then the water surface shook slightly, and the internal organs floated up and floated on the water surface.

"Positive!" Qi Yi'an exclaimed a little excitedly.

Shen Junci reached out and forced the lungs into the water, then he let go of his fingers, and the lungs floated again.

If the test result is floating, it is positive, indicating that there is air in the lungs, the baby has breathed once, and air has been inhaled into the alveoli.

That is, the baby was a live birth.

Now it has been proved from the results of the autopsy that the child was alive when he was born.That is to say, what the daughter-in-law said was true. The mother-in-law who was at home at that time was probably the murderer of the baby.

"I'll tell the Criminal Police Team." Qi Yi'an couldn't hold back his excitement.

"Wait a minute." Shen Junci said from the side, "To be on the safe side, let's do the stomach floating."

Cheng Gong agreed: "Alright, it will be more accurate that way, and it's not bad for a while."

Gastrointestinal buoyancy is generally an auxiliary test for lung buoyancy. If the baby has ever breathed spontaneously, air will also enter the gastrointestinal tract, and this test can also measure the baby's survival time.

It's just that this experiment is more troublesome.

Shen Junci started to act.

The slender and slender fingers flexibly operated on the baby's corpse, ligated the cardia and pylorus in sequence, and then ligated the upper and lower ends of the duodenum, jejunum, ileum, and colon.

He handled it with care and concentration.

The intestinal tract of premature babies is very small, and this series of actions requires the anatomist to be very familiar with the human body and have a clear understanding of the theory of the buoyancy test.

Qi Yi'an had learned this knowledge when he was in university, and he had passed the exam. He hadn't practiced it, and he couldn't remember the steps so clearly. However, Shen Junci handled it neatly and without hesitation.

After watching from the side for a while, Qi Yi'an was in awe of his master.

In just a few minutes, Shen Junci completed the operation, and then checked that there were no mistakes or omissions.

The mesentery was separated and the baby's entire gastrointestinal tract was removed.

The whole process was as precise as a medical operation.

Wen Wan has already taken another glass container and filled it with water, put the organs in, and the stomach and part of the intestines floated up.

Positive again!

When the baby starts to breathe, air will enter the stomach immediately, and after three to ten minutes, it will enter the duodenum, and it will spread throughout the small intestine in about six hours, and spread throughout the entire intestinal tract within 10 hours.

At present, the duodenum is also floating. Cheng Gong said: "Based on how much air enters the intestine, it can be judged that the survival time of the baby is more than one hour and less than three hours."

"The child was killed!" Qi Yi'an finally dared to confirm this point.

Wen Wan checked the recording equipment: "It's all recorded, and we can give conclusions to the criminal investigation side."

Shen Junci added: "There is a small amount of congestion in the internal organs, punctate bleeding under the mucous membrane, and a small amount of soil in the mouth and trachea. It is preliminarily concluded that the child may have died of mechanical asphyxiation."

What he said was euphemistic. Simply put, the child was buried alive to death.

Although the results of the autopsy have come out, Shen Junci still feels that the work is not done, he said: "I will check the child's head again, and the results of the experiment can be reported to the Criminal Police Team first."

After an autopsy, Wen Wan looked at Shen Junci with admiration.

Cheng Gong also thanked him repeatedly.

The rules of the forensic medicine industry are very simple. Whoever has the skills will have status and will naturally be respected.

Cheng Gong went to the office to fill out the Fuyang test result form, attached two screenshots, and handed it to Qi Yian, asking him to notify the criminal police team.

Qi Yi'an hurried to the criminal investigation building.

The criminal investigation team's exercise has ended, and Shao Zhenen, the captain of the first team, rushed back from the exercise field.He saw Qi Yi'an coming and led him into a meeting room where the two families were still arguing.

The mother-in-law's family and the mother-in-law's family refused to give in to each other, and they almost fought a few times.

The wound on Yu Shen's hand didn't have time to bandage, and several policemen couldn't stop them.

The mother-in-law was still insisting, screaming, "I didn't kill anyone!"

Because of her firm attitude, her husband and father-in-law turned to her.

Qi Yi'an strode over and put the inspection report on the table: "The result is out, the baby was alive when it was born."

The mother-in-law suddenly stood up excitedly: "How did you check it out?!"

Qi Yi'an raised his eyebrows: "The floating test proved that there was air in the child's body. She had already begun to breathe spontaneously and survived for at least an hour before she died. The autopsy results are available on video. Do you want me to explain the scientific principles to you?"

The face of the son on the side changed: "More than an hour, that was not before I rushed back..."

At that time, only the mother-in-law and daughter-in-law were in the house.

The noisy conference room fell silent for a while.

Then the daughter-in-law came to her senses, covered her face and let out a cry: "My poor child..."

All eyes were on the mother-in-law for a moment, and the daughter-in-law's younger brother grabbed the old lady by the neck and pulled her up.The police on the side stopped him, so the fist didn't drop.

The old woman opened her mouth and her expression was dull, like a thief who was caught doing something bad and got the stolen goods. She still wanted to quibble at this time.She said tremblingly, "Impossible, impossible!"

"Impossible?" Captain Shao took a step forward and put pressure on her: "The forensic examination results are all out, and the evidence is conclusive. You'd better explain the crime."

The young husband looked at his mother: "Mom, you really didn't do it, did you?"

He couldn't believe it was his own mother who killed his child and did such a cruel thing.

The mother-in-law froze, her lips twitched: "How... how is it possible..." She muttered a few words, and said to herself, "How could it be possible to find out?"

Then the old lady raised her head and her eyes moved: "I should step on it, set it on fire, or throw the dead child into the well."

Her tone was indifferent, like a poisonous snake spitting out a letter, and she still didn't want to repent at this time.

For a moment, seeing her expression, everyone shuddered.

Qi Yi'an looked at the old woman in front of him, as if the creature in front of him was not a person, but a demon possessed by something unknown.

Team Shao said to the criminal police next to him: "What are you doing in a daze, why don't you bring him to the interrogation room."

Yu Shen hurried to pull the old lady.

"That's my granddaughter. Doesn't my heart ache? But there's no way... It's that girl's belly that doesn't live up to expectations. If it's a boy, how could I do such a thing."

The old lady still refused to leave, she turned her head and looked at her son: "Silly boy, you already have two daughters in your family, any more girls' movies will only drag you down to death, when will you have a son? The child was born prematurely, and I don’t know what’s wrong with it! If you have to spend money to treat it, it’s a bottomless pit. If you die early and give birth early, mother is willing to be this bad person. In the future, in the future, you will know your mother’s good intentions..."

She wanted to hold her son's hand while she was talking, but the son's eyes were full of fear and he avoided her.

The old lady was finally pulled away, the daughter-in-law was crying, and the husband began to comfort her in turn, but the family has been cracked forever, and it will never go back to the past.

Looking at all this, Qi Yi'an felt chills all over his body, he had seen too many corpses.Even though those corpses were horrific, rotting, and exuding an unpleasant smell, they never made him feel so uncomfortable and disgusted like this time.

After bringing the old lady into the interrogation room, Yu Shen finally breathed a sigh of relief, turned his head and said to Qi Yi'an, "Thank you, I didn't expect you to get the result so quickly."

"Isn't it because I'm afraid you won't be able to hold on here?" Qi Yi'an didn't dare to take credit for himself, "And thanks to my master... I'll give you the autopsy report tomorrow morning."

He ran all the way from the criminal investigation building back to the forensic room. Wen Wan had already returned to the office and was sorting out the materials.

Qi Yi'an asked: "It's over? Is my master still in the autopsy room?"

Wen Wan nodded: "Forensic Doctor Shen is sewing over there. I can't help, so I'll be back first." She paused and said, "It's thanks to him this time."

Qi Yi'an went to the dissection room again, and the entire dissection process has been completed.

Under the light, Shen Junci was concentrating on sewing up the corpse.

He used the smallest needle size, and the baby's skin was as thin as paper, so he needed to sew very carefully, even breathing gently.

Qi Yi'an at the side didn't dare to disturb him, and approached cautiously. Now that the corpse has been cleaned up, the dirt on it has been washed away, as if he had fallen asleep peacefully.

This young life has not experienced all the joys and sorrows in the world, has not enjoyed the mother's embrace, and hastily passed away without taking a sip of milk.

It is unknown how many babies are in the same situation as her in the world.

Shen Junci's movements were very gentle and careful, as if afraid of waking up her sweet dreams.

After finishing the last stitch, Shen Junci skillfully tied a knot.

Then he took off the gloves and handed them to Qi Yi'an: "You can deal with it later."

Qi Yi'an let out a sigh, went to fill out the form, put the body in storage, and waited for the relatives to come to claim it after the case was over, so as to facilitate the funeral.

When Qi Yi'an finished his work and returned to the forensic office of the Special Criminal Division, Shen Junci had already poured himself a pot of tea and was familiar with the system of the Municipal Bureau.

Another piece of Tibetan incense was lit in the corner of the forensic room, half of which had already been burned.

It's like mourning the dead souls.

Shen Junci sat on the chair, the focus and sharpness from the autopsy just now completely faded away.

Qi Yi'an felt that after getting off the dissection table, Shen Junci returned to that calm and indifferent state.

Seeing him sitting opposite, Shen Junci raised his teacup and asked him: "Will you drink? Longjing before tomorrow."

Qi Yian shook his head.

He was thinking about the lunch break, looked at Shen Junci hesitantly, and said courageously: "Master... Well, although the Municipal Bureau has a lunch break, it is mainly used for lunch, and few people use it for lunch breaks." room to sleep..."

He had the guts to say it.

Shen Junci groaned, and rolled the mouse light wheel with his right hand: "Then you won't fire me?"

Qi Yi'an was taken aback, and quickly waved his hands: "It shouldn't be so..."

After all, it was recruited with great difficulty from the provincial department, and the master's skills are really good, Wen Wan and Cheng Gong were convinced by going to the dissection table today.

Shen Junci bowed his head and took a sip of tea: "That's good."

Qi Yi'an asked: "If someone said something..."

Shen Jun said: "I am not in good health, so I always have to take a lunch break at noon. As for work, I do my job well and have a clear conscience. I don't mind what others say."

The author has something to say:

Shen Junci: It starts with me to refuse invalid overtime.

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