Miyano Shirasawa came to crouch in front of the corpse.

Then I saw that the upper lip of the corpse was black!

Mastered the god-level poison technique,

Miyano Shirasawa naturally saw it at a glance.

It's death from poisoning.

After a slight sniff, I could smell an almond scent.

"Death by cyanide poisoning, poisoning!"

But the next second, he frowned.

Not only poisoning, but also other drug effects.

And look at the desk again, there is a stack of books on the table.

It just happened to be carried down from the bookshelf and used as a decoration.

And Hattori Heiji also came forward and whispered:

"Officer Miyano, you can see that this is poisoning."

"The suspect of the murder in the secret room must be someone from the Dacun family."

"Apart from Mrs. Takura who was with us, Mr. Koike, the housekeeper, the deceased's son Takura Guishan, his fiancée Katsuki Yukiko, and the deceased's father Takura Riguang, they are all suspects."

"Let's see who can crack this secret room technique faster."

"I'm about to think about it, come on."

After that, the black-skinned boy smiled confidently, turned around and ran outside.

He goes to find the last piece of the puzzle for his reasoning!

Seeing this guy's confident appearance, Miyano Shirasawa laughed.

I just think he is too young!

At this moment, Conan was in a cold sweat, and he couldn't even stand.

Attentive Xiaolan immediately asked with concern:

"Conan, are you alright?"

But this little devil can't even speak.

Xiaolan immediately asked the housekeeper, "Do you have any guest rooms here?"

"This child has a fever, can you let him rest."

Butler Koike immediately led the two to the next guest room.

But Conan felt that something was wrong with him!

After drinking Laobaigan, his heart beat faster and faster, and his ears had ringing in the ears.

He wanted to stop Hattori Heiji, but he was speechless.

The screen in front of him all flickered.

Can only be pulled into the room.

Xiaolan placed Conan well, but she was also a little worried.

She went out to call and planned to call the doctor to come and see.

01

In the study, Miwako was doing routine inquiries, while Mouri Kogoro kept describing.

"When we came in, the door was locked and the windows were closed."

"And the gramophone is still playing opera."

"Mr. Dacun was leaning on the seat. It was the wife who called him and found out that he was dead."

"And then, the housekeeper and the others came over, and finally the old gentleman came late in a hurry."

Miwako asked:

"What about the time, when did you find the body?"

Mouri Kogoro said, "It should be ten past three."

Miyano Baizawa said, "It's only been half an hour."

"In that case, the time of death should be the time you came in."

"The body temperature of the deceased is similar to that of ordinary people, and even the phenomenon of muscle relaxation has not appeared."

"The time of death is between half an hour and an hour."

"Did you see anyone else approaching the study during that time?"

Everyone shook their heads.

At this time, Mouri Kogoro came to Miyano Shirasawa's side and whispered:

"Officer Miyano, I suspect it was his daughter-in-law who never visited."

"Actually, we were invited by the lady to investigate her prospective daughter-in-law."

"It may be a person with very difficult skills. Madam didn't want her to marry, so she entrusted it to me."

Hearing this, Miyano Shirasawa immediately ruled out the suspicion of the fiancee.

Cox's law of gross profit!

As long as Maori Kogoro targets, he will never be a murderer.

However, Miyano Shirasawa's scrutiny eyes fell on Kogoro Mouri.

He was really curious, is this uncle really that wasteful?

Is it really stupid, or is it wise and foolish?

When he entered the police academy, Mouri Kogoro's shooting record was still the first in the school, and he was regarded as a sharpshooter.

However, after entering the Metropolitan Police Department and looking at the previous files of Kogoro Maori and Officer Mumu, it is true that the detection rate is not high.

If this guy is really acting stupid.

If you can install more than 1000 episodes, that would be scary!

After all, Liuli appeared, and he was about to rob his wife.

Since it is an opponent, of course, it must be taken seriously.

Miyano Baizawa said:

"Detective Maori, thank you for your reminder, but I already have the answer!"

Hearing this, everyone's eyes turned to Miyano Baizawa.

On the other hand, Miwako, with a smile on the corner of her mouth, was not surprised at all.

"As you said, the study has only two keys."

"One is on the deceased, the other is on Mrs. Da Cun, and the door is locked again."

"In other words, only if Mrs. Da Cun can open the door, the murderer will be obvious."

At this time, the panting Hattori Heiji rushed out with the fishing line in his hand.

A disdainful smile appeared on his face immediately:

"I thought you had something in the police department, but I didn't expect that you were just an ordinary person."

"Obviously this is a secret room killing technique, and you have to crack this technique to find the real murderer."

"It's not as simple as that, whoever has the key is the murderer."

As soon as these words came out, Miwako, Ruri, and Sonoko looked at Hattori Heiji with hostile eyes.

Hattori Heiji panicked for a moment.

"Cough, you still listen to my method of cracking!"

Saying this, Hattori Heiji raised the fishing line in his hand.

But Miyano Baizawa didn't want to listen to his nonsense, so he interrupted:

"You are talking about the method of using a fishing line to hang the key after the murder, passing the fishing line through the crack of the door, then through the trousers pocket of the deceased, locking the door, and returning the key to the house with the fishing line."

Hearing this, Hattori Heiji's face froze.

Did this policeman also think of this method?

How long has he been here, less than 5 minutes!

Miyano Baizawa continued: "It's very imaginative, but unfortunately it doesn't hold true at all."

"If the key can really be sent back like this, the fishing line won't be able to get around the table in front of the body."

"There must be a rubbing (rubbing) line, but in fact there is no."

Hearing this, Hattori Heiji glanced at the flat and brand-new table, and his face immediately turned pale.

It's just that his complexion is so dark that he can't see it even when his face is white.

Among the people present, Mrs. Da Cun's hand could not help clenching a little.

"Therefore, there is no need to talk about methods that are not valid."

"Mrs. Dacun, if I were you, if I wanted to blame others in this way, I would definitely practice it. You take it for granted."

The diplomat's wife snorted coldly:

"Officer Miyano, I went out at noon and came back with Detective Maori again."

"As you said, my husband died half an hour ago, and I'm not at home at all, so I don't have time to commit the crime."

Butler Koike on the side quickly echoed:

"Yes, Madam is leaving at noon."

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