By the time the two left, Heiji Hattori had already begun his reasoning:

"At first glance, this room looks like a secret room, but there is still a gap - right there, under the crack in the door."

“…… Are you serious? Maori Kogoro looked at the slit of less than half a centimeter speechlessly, and the corners of his mouth twitched, "The desk is so far away from the door, even if the murderer is a god pitcher, it is impossible for him to pass through the crack in the door and throw the key into the victim's pocket!" ”

"Of course, not just throwing it, but with the help of such a tool." , Heiji Hattori said as he pulled out a bundle of fishing line from his pocket.

This is what he had just dug out of the trash can in the Japanese room, and the thread was rolled into a small bundle, one of which had a thin needle tied to one end.

Hattori Heiji pinched this prop and looked around, his eyes swept over Mori Kogoro, Shiraki and others, and finally, he settled on the Twilight Police Department, which was similar to the victim's size, "Can you please play the deceased?" ”

"Uh...... Okay. The Twilight Police Department hesitantly walked over and was pressed by Hattori Heiji on a chair.

The latter took the needle and gestured at the Twilight Police Department, "The murderer killed the victim with the poison needle first, and then took the key from him." ”

He picked up the key to the house that had been found in the pocket of the deceased's pants.

On the key ring, in addition to the key, there is also an oval-shaped flat buckle, which consists of two parts that are flat together and can be slid open.

When separated, you can find a piece of tape attached to the inside of the buckle, and a thin strip of tape bulges in the middle of the tape, as if a wire once passed through it.

Heiji Hattori has a key in one hand and a fishing line in the other, like a teacher who demonstrates scientific experiments to children, and talks eloquently:

"First, attach the end without the needle to the key ring with tape, and pass the end of the needle through the victim's pocket...... Tsk, police department, you stand up, the needle can't go through. ”

"......", I always feel like you're hinting at me that I'm fat!

The Twilight Police Department frustrated with his request, and this time, the needle was successfully pierced.

Hattori followed the remaining fishing loop, stepped back and left the room, closed the door, locked the door with the key, then put the key on the ground, and slowly pulled the fishing line back.

In the room, everyone stared with bated breath at the slowly moving key, which was pulled by the fishing line, scraped across the ground, climbed onto the stool, and finally disappeared into the pocket of the Dusk Police Department.

Then, with a hard pull, the fishing line was pulled out of the tape and pulled out of the door.

Except for a small piece of tape left in the key clasp, all other traces disappeared perfectly, which was indeed a means of creating a secret room.

Officer Twilight had just gotten up excitedly, ready to follow this clue to investigate the suspect, but a voice suddenly came from next to him, "Wait, when we found the key, it was in the middle of the inner bag." ”

Hattori was stunned, walked to the Twilight Police Department, and bent down to dig into his pocket, "That's right, just let the needle pass through the fabric of the mezzanine, and you can ......"

Bang Bang –

As soon as he pulled out of his pocket, the key flipped out of his pocket and fell to the ground, apparently in a shallow place, not in the inner compartment.

“…… How come?! I obviously let the needle go through the mezzanine! ”

Bai Shu pointed to Ikemura Xun's body, "The victim's body is already relatively plump, not to mention, he is still sitting on a chair, in this position, the pocket will be squeezed very tightly, and the key will not be able to slide in so smoothly." ”

The black-skinned detective stared, and the dead duck had a hard mouth, "But...... Even so, one out of ten times will succeed! ”

Bai Shu looked at him with the eyes of the dead fish:

"You haven't taken the victim's pocket, you don't know how tight his pants are, and this is when he's lying down — if you're sitting, trying to get the key to slide into the inner pocket that way, like trying to get a basketball into a golf hole, it's not a probability event at all."

"But, but I found a fishing line and a needle in the trash can in the Japanese-style room! Would you have this kind of thing in a regular trash can? ”

…… It's so stubborn.

Bai Shu opened his mouth, and before he could say anything, a voice suddenly came from the door, "That's the murderer's misdirection." ”

Everyone followed the prestige, and suddenly saw Kudo Shinichi at the door, who was disheveled and sweating profusely.

“……”

While no one was paying attention, Shiraki took out his notebook and glanced at it, and there was no name on it anymore.

Yes, this protagonist aura is of good quality.

Kudo Shinichi looked handsome, but in fact he leaned against the door frame and said as he pulled out a large handful of fishing line from his pocket.

They were in several balls, all with a needle attached to one end, exactly the same as the one in Hattori's hand, a full five or six bundles:

"I found the same sets of exhibits in all corners of this house."

"So much?" , Hattori Heiji looked at them dumbfounded, completely unexpectedly that there would be such an operation.

Of the detectives present - that confused uncle didn't count - he was the only one who was lured to the bait?!

"How the hell did the murderer escape? It can't be that the victim commits suicide and then wants to blame someone else! ”

"Speaking of which, when I first entered the door, I seemed to see Mrs. Ikee taking something out of the key buckle."

Bai Shu suddenly made a thoughtful gesture, ", but at that time, his vision was blocked by others, and he couldn't see it clearly, so he didn't say it just now. ”

He cast his eyes on the key pendant in Ikemura's hand.

"You...... Ahem, that's right, the murder weapon was most likely hidden there. ”

Kudo Shinichi almost blurted out "Your observation is really good", and finally swallowed back the words, pretending that Shiraki was a strange detective who had only met a few times, and continued to tell his reasoning:

"When we found the victim, an opera was playing in the room and there was a pile of books on the table in front of the victim. Have you ever thought that this is because the sound of opera can drown out the screams that the victim may let out when he is stabbed by a poisonous needle, and the pile of books can block his face from being twisted in pain for a moment. ”

"You mean ......", Heiji Hattori seemed to understand, and looked straight at Mrs. Ikemura.

The latter pursed his lips and lowered his face as he stared at the floor, the wrinkles of his forehead and chin deepened by the dim light.

Hearing this bold guess, everyone in the room froze.

At first glance, it sounds incredible, but when you think about it, it seems impossible.

Recalling Shiraki's words just now, the Twilight Police Department cautiously approached Ikemura Gongjiang, "Mrs. Ikemura, can you show us your key?" ”

Ikemura held his wallet and didn't even look at him.

Twilight had to tentatively reach for it, but Ikemura Gongjiang's hand holding the key flicked like an electric shock, but finally fell back into place, sending the force away, and letting him take it.

The delicate oval keychain is carved with a simple blue and white pattern, which is the same as the key of Isao Ikemura.

The Twilight Police Department pinched it with some force, and misplaced its fingers.

The keychain slid away silently, revealing a slender groove carved into the inside.

It's exactly the shape of a needle.

：。 ：