Coroner Coroner

"That's right." Lin Xinyi nodded calmly.

"Then how did she die?"

"Who actually killed her?"

Mao Lilan and Kogoro, the father and daughter, couldn't wait to ask questions one after another.

And Lin Xinyi's answer is:

"Don't worry."

"According to my current speculation..."

"In this case, there may not be a murderer at all."

Chapter 419 The real cause of death

No murderer?

It was an accident?

But Ritsuko Ubing is in good health, and has no past disease records.

Is it...

"Did she really die of acute alcohol poisoning?"

Hoshi Saku's expression was a bit strange:

I spent so much effort to fake the scene and sacrifice myself to take the blame, but Ubing Ritsuko really drank herself to death?

Regarding this question, Lin Xinyi neither agreed nor opposed it.

He just said carefully with words:

"According to my speculation, Ubing Ritsuko's death is indeed inseparable from her drunkenness."

"As for whether there is a combined effect of alcohol poisoning, I can't draw an accurate conclusion based on the autopsy alone."

"In summary, what we can now determine is:"

"Usui Ritsuko drank a lot of alcohol during her lifetime."

"So her body still smelled heavily of alcohol, and a few bottles of wine in the small wine cabinet in the room were also emptied."

Ritsuko Usui drank a lot of wine at the dinner party.

Several empty wine bottles were left in the room.

Exclude the small probability event that Wu Song can slide and shovel a tiger after drinking 18 bowls of wine.

This amount of alcohol poured down the stomach is enough to make any adult feel dizzy and weak from drinking.

"And after getting drunk, Usui Ritsuko staggered to the bedside, wanting to lie back on the bed and rest."

"But she didn't manage to touch her own bed, so she accidentally fell on the side of the bed."

"Besides, it still lands face first."

"This..." Mao Lilan was a little puzzled: "Mr. Lin, you said that she once fell down in shame?"

"But Ritsuko Usui doesn't seem to have any obvious trauma, right?"

The carpet in this room is thick and soft.

So even if someone falls on it, there is a high probability that there will be no trauma on the body.

Mollyland knows this.

She is strange:

Since Ritsuko Ubing had no obvious trauma, Lin Xinyi, who just had an autopsy, made the assumption that she had fallen before her death?

"Because of bleeding inside her mouth."

Lin Xinyi explained calmly.

"Bleeding?"

"That bleeding was not caused by smothering..."

Mao Lilan questioned subconsciously, but suddenly reacted:

She had previously concluded that Usui Ritsuko died of suffocation because she found signs of bleeding in the mouth of the corpse.

But now, Lin Xinyi has ruled out the possibility of suffocation.

Obviously, the oral bleeding could no longer be caused by the dead man's mouth and nose being suffocated.

Mouth formations occur because of…

"Ubing Ritsuko once fell face-to-face."

Lin Xinyi gave the final answer,

"Suffocating the mouth and nose forcibly will cause extensive point and sheet bleeding in the lips and nasal mucosa, the amount of bleeding will not be so small, and the location is limited to the front end."

"In this case, the bleeding in the mucous membrane and muscles at the front edge of the tongue tip of the deceased was limited, the damage was deep, and the amount of bleeding was relatively small."

"This is obviously caused by the violent collision between the oral mucosa and the corresponding teeth."

"So you can rule out suffocation caused by stuffing your mouth and nose."

"And her teeth collided violently with the oral mucosa. When the body was found, she was still lying face down... We can basically determine that she once fell face down."

"Well..." Mao Lilan lowered her head in embarrassment.

Saku Hoshi's expression was also complicated and awkward.

They all relied on their inexperienced and half-baked forensic knowledge, and when they saw the signs of suffocation and oral bleeding, they subconsciously judged that the deceased died of smothering.

As a result, one almost took a biased investigation, and the other almost killed himself.

"Then...why did Usui Ritsuko suffocate?"

More doubts arose in Mao Lilan's heart

The possibility of smothering was ruled out, and there were no strangulation marks, strangulation marks, or covering marks on the surface of the corpse.

So how on earth did she suffocate?

Is it a drug, an illness, or acute alcohol intoxication?

These are all possible, but they cannot be judged by examining the corpse table...

Is it...

Mao Lilan thought of a noun that he had only seen in books:

"Is it because of postural asphyxia?"

"Yes."

Lin Xinyi nodded in satisfaction:

"It's because of postural asphyxia."

Postural asphyxia is death by suffocation caused by restricting the body in an abnormal position for a long time, which hinders breathing movement and venous return.

Among the common "abnormal positions" are:

Bind the suspension of the upper limbs, the horizontal suspension of the chest and abdomen, and fix the limbs on the back.

Most of the dead who died because of this were tied up by corporal punishment, tortured, and tied up for some strange reasons.

This time Ritsuko Ubing's position and cause of death are relatively rare:

"She was drunk after she fell face-to-face, and her neck was flexed excessively for a long time, resulting in postural suffocation."

"We can see this from the corpse spots on her chest."

Corpse plaques are favorable evidence to help forensic doctors speculate on the posture of the dead body.

Although because of the principle of "water flows to the lower part", the blood will accumulate to the lower part under the action of gravity, forming corpse spots at the lower part of the corpse.

But generally speaking, when the corpse is in a prone position, the chest, abdomen, arms, thighs and other parts that seem to be the lowest and most likely to form corpse spots will directly contact the ground.

The weight of the corpse is on these parts that are close to the ground. The tissues in these parts are like sponges that are always pressed hard and cannot absorb water at all.

If the blood can't get in, it won't be able to form the plaque naturally.

Therefore, it is difficult for corpse spots to form in these directly compressed parts, and the blood will only pool around these parts, or pool on the side of the corpse, and the irrigation will not go down.

"But Ritsuko Usui is different."

"Her breasts were formed with plaques."

"This means that during the time when she lay prone on the ground after her death, her upper body should have been in a slightly suspended posture."

The upper body is slightly suspended in the air, and the prone position is maintained.

Then the weight of the body must naturally be borne by the arms, head, and neck.

"Mr. Saku."

Lin Xinyi did not express his speculation directly, but turned to look at Saku Hoshi:

"You are the only one who has seen the corpse in its initial state."

"And you just said that Ritsuko Usui was lying on the ground at the beginning."

"So, can you describe in detail how she was lying on her stomach at that time?"

"Eh..." Saku Hoshi was slightly taken aback: "Yes."

He told what he saw at the time.

And his description is almost the same as Lin Xinyi's guess:

That is, the arms are propped on the ground, the head is hard on the ground, the neck is deeply bent, and the chin is pressed against the chest.

This position is very uncomfortable.

Because the weight is all on the neck, the neck will soon feel sore, and it will be a little difficult to breathe.