Because the ring was worn upside down, and coupled with Zhukou Yigui's obvious neurotic behavior and his habit of never taking off the ring.

The previous suicide reasoning was completely overturned.

However, Maori Kogoro, who was slapped in the face, was not embarrassed at all. Instead, he said seriously: "Indeed, considering Mr. Morokuchi's neurotic personality, there is a high probability that the ring will not be worn upside down..."

"But if that's the case, then a new doubt arises."

Sato Miwako said seriously, "The criminal replaced the ring after Mr. Moroguchi was killed. Of course, the criminal should have been in this room."

"But the question now is what kind of tricks did the criminal use to leave this locked room."

Tang Ze looked around at the doors and windows: "Especially since the key is still in Mr. Zhukou's hand, it makes it even more difficult, unless he has secretly equipped a spare key.

However, I personally prefer that after poisoning Mr. Moroguchi, the perpetrator took the key and left the room, locking the door to create a secret room, and then somehow returned the key to Mr. Moroguchi from the outside."

"If that's the case, then the only open air vent in the room is very suspicious."

Maori Kogoro touched his chin and said, "But it's too far from the body's hand, almost four centimeters away.

Is it really possible for the criminal to do this from such a long distance?"

"Anyway, let's just conduct the routine confession first. The forensic technicians have already begun verifying the ring's authenticity, and we'll have the results soon."

Tang Ze glanced at the forensic examiner who was carefully removing the ring from the body and preparing to verify its authenticity. He then changed the subject and said, "Whether the ring is real or fake, it only changes the murderer's motive, and it cannot change the suspicion that the ring was worn upside down.

So the most likely case is homicide."

After hearing Tang Ze's words, everyone nodded in agreement. Tang Ze then looked at the three people standing nearby and said, "Three of you, I wonder what you were doing before you found Mr. Zhukou's body?"

Tang Ze's words made the three of them a little unhappy. After all, this meant that the three of them were now suspects.

But the current situation does not allow them to say anything more.

"Let's start with Mr. Dejima, the writer." Tang Ze looked at the order of the three people and pointed to Mr. Dejima, who was on the far left, from left to right.

"I, I was practicing this recorder in my room."

Dejima was the first to be called, and he seemed a little nervous. He stuttered twice before pulling out a tape recorder from his pocket and showing it to everyone: "I don't know if it's because the machine is too old or there's some malfunction, but the tape inside is warped.

Listen, now whenever I rewind the tape, it makes this piercing noise."

After Dejima pressed the button on the recorder, a harsh noise sounded, proving that what he said was true.

"Well, as a photographer, Mr. Tarumi, what were you doing at that time?" Tang Ze asked the man in the middle.

"Well, after I finished preparing for today's photography, I started sorting the film for other projects in my room."

Tarumi said this, pulling the rubber band on his left wrist. "I need to sort them and tie them up with these rubber bands."

"Ms. Anabuki, what about you?" Sato Miwako looked at the last lady and asked.

"I also check in with other writers in the room in advance."

Anbuki replied.

"Come to think of it, Auntie, I remember you were carrying a metal measuring tape." At this moment, Conan asked curiously, "Why do you always carry that thing with you?"

"Ah... that's because Mr. Morokuchi often asks me to measure things, so I carry it with me."

Anabuki laughed helplessly and said, "You all saw it yesterday. Mr. Morokuchi is very neurotic about things like text size...

When I first took over as Mr. Zhukou, I was also not used to it, and even now I am still not used to it..."

"Then why not use a ruler?" Tang Ze asked.

"Well, actually, it's not just about measuring words. Mr. Morokuchi will ask you to measure a lot of things." After hearing what Tang Ze said, Tarumizu on the side explained.

"That's true. Those who know Mr. Morokuchi are aware of his quirks."

Dejima also confirmed this, "Like a door that could be used as a trap, or the length of a window or something like that."

"You three are really clear-headed." Takagi said with some emotion while taking notes.

"Well... because the late Akibashi often mentioned Mr. Morokuchi when he was alive." Tarumi explained.

"Because he joined the publishing company at the same time as the three of us," Anabuki explained. "The four of us are close friends."

"Well, I just quit my job and became a freelance writer," Dejima explained with a smile.

"Inspector Tang Ze, although this is only a preliminary assessment, the ring is genuine."

After waiting patiently, a veteran appraiser spoke up and announced the results of the appraisal.

"Are you sure it's true?" After hearing the news, Sato Miwako confirmed again with some surprise.

"Although there's no way to be 100% sure, based on my experience, I know this is the real thing."

The forensic examiner at the side said, "Also, just in case, I've had it taken back for testing as soon as possible. I believe the results will be out soon."

"That means the criminal's purpose is most likely not the ring..." Kogoro Mouri said thoughtfully, touching his chin.

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