Coroner Coroner

When administered from the carotid artery, the drug effect is the fastest and most rapid.

If a powerful nerve agent such as tetrodotoxin is used, it can paralyze the neuromuscular muscles of the deceased almost immediately after the poisonous needle hits the neck of the deceased, and suffocate to death in a short period of time.

"and many more…"

Mao Lilan's cheeks suddenly became extremely pale.

She seemed to have discovered some unacceptable cruel fact, so that even her body trembled slightly uncontrollably.

"What's the matter, sister Xiaolan?"

Conan, who had been watching from the side, couldn't help asking a little worried.

Mao Lilan's face was pale, and she murmured in a trembling voice:

"Mr. Ikemura's lips and fingertips, yes, just started to turn purple."

"Eh?" Everyone was slightly taken aback:

"Yeah... Then, what's the matter?"

They all saw the changes in the corpse that Mao Lilan said, but they didn't understand what she wanted to say.

Even Detective Conan didn't react for a while:

The lips and fingertips appear bluish purple, which is called "cyanosis" in medicine.

The red color of blood is due to the hemoglobin contained in red blood cells.When hemoglobin is fully combined with oxygen and becomes oxyhemoglobin, its color is bright red; when it releases oxygen and becomes deoxygenated hemoglobin, its color becomes dark red.

When a person falls into a state of suffocation, the oxygen saturation in the blood decreases, and the deoxygenated hemoglobin increases, and the "cyanosis" phenomenon of blue-purple changes will appear in the parts with thinner skin, less pigment and richer capillaries.

Therefore, cyanosis of lips and fingertips is a typical sign of suffocation death.

This sign appears in many poisoning deaths caused by poisons that affect respiratory function.

Now that it has been confirmed that Chi Cunxun died of poisoning, it seems that it is not surprising to find that he has signs of suffocation.

So why is Xiaolan so shocked?

Conan was puzzled, but Mao Lilan suddenly came back to his senses.

She hastily stretched out her hand to press the dead man's dilated pupils, and found that the dilated pupils had not returned to their original shape.

"It's over...it's too late."

"Mr. Chimura Xun is really dead."

Mao Lilan's big eyes were full of pain and self-blame.

"Xiao, Xiaolan?" Seeing his daughter's pitiful appearance that was almost collapsed, Mori Kogoro finally couldn't hold back and shouted: "What's going on?"

Mao Lilan bit her lips tightly and said to herself:

"The phenomenon of cyanosis of the lips and fingers usually begins in the middle of the suffocation process, and the 'inspiratory dyspnea' of the person is not dead."

"And the color of the skin and mucous membranes changes with the color of the blood flow."

"However, the deceased's lips and fingertips just appeared cyanotic..."

"That is to say, when I started the autopsy just now, the blood in his body was still flowing."

"What, what?!"

Everyone was shocked, including Kogoro Mori, who is Xiaolan's father:

"That, didn't that mean... Mr. Ikemura, was he still alive just now?"

"That's right...he was alive just now."

"It's just that the effect of the medicine was exerted too quickly, which instantly disabled his neuromuscular muscles, so he fell into a state of suspended animation."

"And now Mr. Ikemura is really dead under suffocation caused by respiratory muscle failure."

There was pain in Mao Lilan's voice, and there were even tears in her eyes.

She turned her head, and with this tearful gaze, she stared firmly at Mrs. Chi Cun, whose face had changed in the crowd:

"Mrs. Chimura, why did you kill your husband?!"

Chapter 205 The fish caught

Mao Lilan's words were like throwing a bomb, which caused an uproar at the scene:

"What? Madam is the murderer?!"

"How is it possible... She, didn't she just go home with you just now?"

Everyone's expression changed, and their eyes were full of disbelief.

Even Conan couldn't help being shocked:

Xiaolan saw through the truth so quickly?

Before the 'Hattori from Kansai' knew where to look for clues, and she, the 'Kudo from Kanto', hadn't solved the mystery yet, she had already found the murderer!

Conan's eyes became more and more complicated.

Unknowingly, Xiaolan was able to walk ahead of him by relying on her own strength.

He was both emotional and disappointed, but secretly happy about it.

But Mao Lilan is not happy at all now.

With tears in the corners of her eyes, she silently looked at Mrs. Chimura, whose face had turned pale in the crowd, with a sentimental and angry look:

"Mrs. Chimura, I have already seen through your murderous plot."

"You came to my father's office not to issue a commission at all, but to use us as witnesses to create an alibi for you."

"I..." Mrs. Chimura tried hard to organize her words.

However, looking at the pure tears shining in Mao Lilan's clear eyes...

For some reason, she suddenly felt ashamed, and stammered for a long time, but she couldn't do the evil deed of denying sophistry.

And Mao Lilan continued to say in her slightly trembling voice:

"Actually, the so-called 'secret chamber murder' doesn't exist at all. It's an illusion you designed."

"Because when we visited Ikemura's house and opened the door of this study...Mr. Ikemura was not dead at all!"

"He should just be sleeping there because you gave him sleeping pills, so he looks like he's dead."

"I think that as long as the stomach contents and blood of Mr. Ikemura Isao are extracted for toxicology testing, the ingredients of sleeping pills will definitely be detected."

What she said caused an uproar.

At this time, not only Conan, but even the dull Mori Kogoro, had already understood the truth that his daughter wanted to reveal:

"I see…"

"The dead were killed right under our noses!"

"Because we all saw Xiaolan during the autopsy just now, and the lips of Mr. Chimura Xun's body began to turn purple at that time!"

"This proves that he died just now, not 'within half an hour' as previously speculated."

"Yes."

Mao Lilan choked up and said the answer:

"Inject the poison from the neck artery, and the poison will spread to the whole body at the fastest speed, killing the victim."

"So even if the killer is killing people right under our noses, it's hard for us to notice."

"And because the murderer used sleeping pills to put the deceased to sleep in advance, making him appear motionless, so..."

"We would just subconsciously think that the deceased was dead before we even entered the room, as the murderer intended."

When she said this, Mao Lilan's voice trembled slightly.

Because she was also deceived by the murderer.

When she saw Chi Cunxun, who was motionless, collapsed to the ground with a light push, she, like everyone else, subconsciously felt that he was dead.

Afterwards, Hattori Heiji, who is known as a famous detective, went up for an autopsy and gave the conclusion that he was dead, so she also believed it preconceived.

But the fact is... At that time, Chi Cunxun just had a violent attack of toxin and fell into suspended animation.

Otherwise, the blood will not continue to flow, and the cyanosis of the lips will not appear.

Lin Xinyi had taught her how to distinguish suspended animation, so she should have discovered it.

Thinking of this, Mao Lilan felt that she seemed to have made a huge mistake, and her expression seemed a little dazed.

She remained silent and stopped talking, and the rest of the conclusions can be understood without her saying:

"The person was poisoned and suffocated to death just now."

"And when that boy Hattori Heiji came forward for the autopsy, Mr. Chimura Xun already had a pinhole in his neck."

"In this case, the person who had the opportunity to stab Mr. Ikemura's neck with a poisonous needle and inject him with poison..."

Mori Kogoro helped his depressed daughter to complete this reasoning:

"You can only be the only one who has contact with the dead before Hattori—"

"Mrs. Chimura Gongjiang!"

Mrs. Chi Cun was silent for a while, her eyes full of panic:

Her murderous plot should not have been solved like this.

Because even if the time of death is inferred by scientific autopsy methods, there is no way to make the error of the result accurate to within half an hour.

In this way, the police who came later had no way of confirming whether Chi Cunxun died before she came back, or after she came back.

However, the Maori family invited by her could serve as witnesses after being deceived by tricks, proving that her husband was dead when she returned home.

But never expected...

In the Maori family she invited to be a witness, there was a forensic science student with some knowledge.

Mrs. Chi Cun's carefully designed murder scheme not only failed to work, but also exposed herself to Mao Lilan in an instant.