A technical house in the world of detectives

“Even if you are the son of the chief of the Osaka Prefectural Police Department, you can’t give alcohol to minors, you know?”

“Yes, yes, yes…”

“I will tell your father truthfully about this, he is a fairly righteous police officer, and you, as a son, must not ruin your father’s reputation…”

“Yes, yes, yes…”

“Since you are not selling alcohol to minors, you do not need to be fined, but you need to ask Conan’s family for forgiveness…”

“Yes, yes, yes…”

Seeing Heiji Hattori, who was taught by Officer Twilight, Ran forced herself not to laugh.

When he was just at their home, this Hattori Heiji had been showing his reasoning ability, always comparing her father to her father, and Ran had long seen him uncomfortable.

Unexpectedly, as soon as his cousin appeared, he gave Hattori Heiji a dismount.

“Conan, your body is getting hotter and hotter, Xiaolan, you better go and call a doctor over, and we’ll leave it to us here.”

He Yun knew that Conan was about to become Kudo Shinichi, and wouldn’t it be interesting if Xiaoran happened to be guarding his bedside at that time.

Kogoro and their arrival time was around 4 o’clock, so the time of the murderer should have been within 30 minutes before that, that is, between 3:30 and 4 o’clock, and the police took evidence from other people present according to this time.

“Mr. Koike has been chatting with the neighbors at the door from 3 to 4 o’clock?”

“Yes, you can ask the neighbor for verification.”

The alibi of the butler Fumio Koike is like this.

“You said that Kizen and Sachiko arrived a moment before Mrs. Ikemura returned, remember correctly.”

Officer Twilight asked him about the others.

“Well, because the two of them came back, I didn’t continue to talk, and then when the three of us were about to enter the door, we happened to see my wife’s car, so I should remember correctly.”

Fumio Koike explained honestly.

“So, where did you go when Mr. Koike went to the door to help Mrs. Ikemura open the door?”

Officer Twilight turned to ask Ikemura Takazen.

“Oh, my dad’s study, but the door was locked and no one said yes, so we went downstairs quickly.”

“After that, I met my mother at the entrance…”

Takazen Ikemura and Sachiko Katsuragi said.

“Mr. Lee Guang will be here at two o’clock.”

“That’s right, I came to see them specifically, but I didn’t expect that Ah Xun had been staying in the study and refused to come out, and Gongjiang was not at home, so there was no way, I had to go to the living room next to the study to watch TV.”

Toshimitsu Ikemura is 78 years old, and his eyes are even a little bad.

“What time did Mrs. Ikemura leave the house?”

“It’s almost 1 o’clock.”

Ikemura Koe answered truthfully.

“In this way, there were three people near the victim at the time of the crime, excluding Mr. Koike and Mrs. Ikemura.”

Hattori Heiji touched his chin with a smug look.

He felt he was getting closer to the truth.

“Wow, a lot of CDs.”

Officer Twilight couldn’t help but sigh when he checked the surrounding environment.

“Oh, sir likes to listen to classical music, so he collects a lot.”

Fumio Koike explained.

Classical music? But Conan said that when they found the body, the opera was playing on the stereo.

“What is this picture?”

Officer Twilight saw another photo of the two.

“My nephew and I took it when we were young, and this photo is more than 20 years old, so it should have nothing to do with the investigation.”

He Yun also came over to take a look at the photo, and then looked up at Sachiko Katsuragi on the side.

Alas, your circle is really messy.

“Officer! On the victim’s key, there was something strange. ”

At this moment, a police officer suddenly said.

“What!”

Officer Twilight hurriedly passed, Hattori Heiji immediately followed, and He Yun walked over slowly.

Only Maori Kogoro was disconnected the whole time.

“You see, if the circle is cut in two, and there is tape in it.”

As they say, what was originally just an ordinary keyring was cut out of the middle, and a piece of tape was attached to it, and in the middle of the tape, there was a thin slit.

“He Jun, what do you think?”

Officer Twilight turned to ask He Yun.

“Officer Twilight, there must be something strange about this.”

He Yun said that he saw with his eyes.

And Hattori Heiji touched his chin and thought, as if he thought of something, and ran out directly.

“Officer Twilight, isn’t it strange for you to read this pile of books?”

He Yun began his own reasoning in the eyes of Officer Twilight’s somewhat helpless eyes.

“Is there anything strange about these books?”

Officer Twilight looked at the pile of books that He Yun pointed to and placed on the table and asked.

“You look at these books, it doesn’t look like they were taken directly from the shelves, a total of eight books, thickly stacked into a stack, the height can even block the face of the person sitting on the desk, normal people who read books, take so many books at once, especially the thickness of these books, it is not at all possible to read one in a short time.”

He Yun picked up a book and flipped through it casually, and put it back down.

“Moreover, when Uncle Maori found the victim, there was still opera in the room, presumably it was not a small sound.”

“That’s true, that’s right.”

Maori Kogoro nodded and said.

“Then it can be inferred that the sound of opera can overshadow the screams that the victim may make when he is stabbed by a poisonous needle, and this pile of books can block the victim’s face distorted by pain.”

He Yun said.

“But why did the murderer do this?”

Officer Twilight asked curiously.

“That’s because, in order to create his alibi, the murderer chose to kill in front of their Maori uncle’s eyes.”

He Yun directly turned his gaze to Mrs. Chimura.

“Wait, do you want to say I’m a murderer?”

Mrs. Ikemura’s face is completely like I am not, I don’t, you are talking nonsense.

“Mrs. Chimura, after entering the study, the first person to approach the victim is you, if you give Mr. Ikemura sleeping pills in advance, and then Jia Zhuang wakes him up, you can use a poisonous needle to pierce his body without being detected…

As for the evidence, Mrs. Ikemura, you and Mr. Ikemura’s key should be the same, so that is to say, your key ring can also be opened in the middle, as long as you take out the key when you open the study, you can hold the poison needle hidden in the key ring in your hand without being discovered. ”

He Yun picked up the key that was placed on the table, Mr. Ikemura, and said.

“Mrs. Ikemura, please lend us your key, as well as the key ring.”

Officer Twilight walked directly towards Mrs. Ikemura.

In fact, they had probably accepted He Yun’s statement, because Mrs. Chimura didn’t even say anything now.

Officer Twilight reached out and pulled the key out of her bag and opened it.

Sure enough, in the key ring, there is a needle-shaped groove.

In other words, this evidence is enough to prove that Mrs. Ikemura is the murderer.

So, what was her motive for committing the crime?

Just then, Hattori Heiji ran in from outside.

“I already know who the tricks and murderers of the Chamber of Secrets are!”

It’s just that Hattori Heiji, who looked proud, found that everyone present looked at him with a somewhat strange expression.