"Facing this red wall, will I get the answer?!"

After hearing Tang Ze's words, Xiaolan was puzzled and asked, "Why? But wasn't this wall created by the third person who came into the room?"

"What you can think of, Mr. Zhou Zuo must have thought of before he died."

Zhu Fu Gao Ming stared at the wall intently while answering Xiao Lan's question: "But he still left something behind with red spray paint and made a countermeasure."

"Countermeasures?" Uehara Yui asked doubtfully, "You mean, this red wall..."

"Indeed, before Mr. Zhou Zuo died, he probably considered that the criminal would return to the room, discover his message, and destroy the scene, so he planned to use him to complete the actual death message!"

Yamato Gansuke also stared at the red wall. "Although it was another person who finally came into this room, it seems that he also achieved his goal."

"But what can be done by building this red wall?"

Yui Uehara, who was standing by, looked at the men who seemed to be able to see through the red wall in front of them, with a puzzled look on her face.

"Perhaps the red wall is what Akashi Shusaku wants us to see and think about."

Tang Ze kept staring at the red wall. When he felt the time was about right, he turned around and looked at the wall facing the black chair. "After the white piece goes first, it's the black piece's turn."

Upon hearing this, everyone looked towards the wall where the black chair was pointing, but their expressions were different.

"There's nothing." Kogoro Mouri turned his head to look at the wall, but there was no reaction.

"Turning green!?"

But unlike her father, when Xiaolan looked at the white wall, she suddenly found that the white wall in her eyes turned green.

"Hey, Xiaolan, is there something wrong with your eyes?" Looking at the white wall in front of him, Kogoro Mouri said with a worried look on his face.

"No, we all have green in our eyes too."

Tang Ze on the side said: "In order to reduce the fatigue caused by looking at one color for a long time, the optic nerve will induce a complementary color to self-regulate.

This color afterimage is just a normal physiological phenomenon caused by us staring at the red wall for too long, and it will return to normal after a while."

"Ah, I have experienced this phenomenon sometimes. So this is the principle?" Xiaolan beside her said suddenly.

"If you stare at one color for a long time and then look somewhere else, you'll see the complementary color of the one you just saw."

Conan added with a smile: "I've seen this kind of popular science on TV. The example given was that surgeons' surgical gowns are all light green.

Because doctors constantly look at red blood during surgery, they experience a green afterimage of its complementary color and lose their focus, so they use the same green color to alleviate this fatigue."

"I didn't expect that the concept of afterimages like complementary colors could be used to leave a message of death."

Zhu Fu Gaoming looked at the wall in front of him and sighed slightly, "As expected of the world-renowned "No. 1 Criminal", the reputation is well-deserved."

"Don't be too happy too soon. Although all this seems reasonable and logical, it doesn't mean that it is really a message left to us by the deceased. It may just be a coincidence."

Yamato Gansuke stared at the wall in front of him, his tone full of seriousness: "But if this is true, then the identity of the criminal is obvious."

"Mitsukawa Naoki."

Tang Ze slowly uttered a name: "If my reasoning is true, then Mr. Cuichuan, whose representative color is green, is the biggest suspect now!"

"As a painter, Mr. Shusaku must understand this principle." Maori Kogoro said excitedly, "The culprit must be him. Let's go find him now without further delay!"

"We don't have any evidence at the moment, so we need to verify it carefully." Zhu Fu Gaoming shook his head and indicated that he needed to take a long-term view.

"Ah, that's right. And there's no clue about the third person who entered the room and painted the message red."

Yamato Gansuke echoed, "Although I don't know what that guy's purpose was in doing this, it's also true that he protected the criminals and covered up the evidence. If possible, I want to start with him.

If he wasn't trying to protect Cuichuan, but was doing it for blackmail or something like that, he might have left behind some crucial evidence."

"I have an idea about how to start with this person."

Upon hearing this, Yui Uehara speculated, "If we rule out the suspect, Naoki Suikawa, then the other three are highly likely to be the third person to enter this room.

We can investigate their recent funds. If there are funds of unknown origin, they may be extortion proceeds."

"It's too troublesome. Your method can only be used when the relationship between the prisoner and the third party is antagonistic. But if the other party is protecting the prisoner, then the investigation will be useless." Tang Ze shook his head and rejected the proposal.

If there was enough time, Tang Ze would naturally choose this method. After all, he knew that if he really investigated, he would definitely be able to find clues, because this third party was blackmailing the criminal.

But that would take too long, and Tang Ze and others naturally couldn't stay here that long.

Even though Tang Ze had already "spoiled" the truth through reasoning in advance, if he left, it would mean that the subsequent development of the case would be out of his control.

He didn't want to rely on luck for his reward. What if, like in the original story, the criminal killed the guy who blackmailed him, and Yamato and his team were able to catch him, then his reward would be gone.

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