After putting on white gloves, Tang Ze picked up the debris on the ground and found that they were semi-circular pencil shavings that had been sharpened with a pencil sharpener.
"Mr. Guanyue really likes to use pencils." Conan, who was standing by, saw the pencil shavings in Tang Ze's hand and pointed to the pencil holder next to him: "Look at the pencil holder under the TV, it's full of pencils."
"The key is why this thing fell in this location."
Tang Ze pointed upwards and said, "This is basically the center of where the deceased hanged himself. Judging from the room, the owner must have been very clean."
"Yeah, the robot vacuum is still there." Conan nodded in agreement, "And that overturned green long trash can next to it is also very strange."
"Indeed, a clean homeowner is unlikely to leave a trash can lying on the floor..."
Tang Ze was stunned in the middle of his words, and Conan beside him had the same expression.
Obviously, after seeing these clues, the same reasoning flashed through their minds involuntarily.
The two came to Hattori Heiji, and Tang Ze looked at the sweeping robot beside him and said, "We have the same idea."
"Yes, this should be the answer." Hattori Heiji pointed to the sweeping robot on the ground.
"Let's start it and see." Tang Ze gestured.
“Eh!?”
Hearing Tang Ze's words, He Ye and Xiao Lan beside him said worriedly: "Is it okay? Isn't this the crime scene?"
"This is necessary to solve the puzzle." Hattori Heiji smiled and reached out to start the sweeping robot.
The round sweeping robot started moving quickly after it was started.
Hattori Heiji came to the long trash can and picked it up: "This is the item that Mr. Guanyue used as a footstool when he hanged himself."
"The pencil shavings were just found right below the rope."
Tang Ze pointed out the location to Hattori Heiji, and then explained to Xiaolan and others: "In order to be able to stand on it, he deliberately turned the trash can upside down, and those pencil shavings fell directly below the rope, which is the evidence.
When the trash can is turned upside down, all the pencil shavings stuck on the bottom of the trash can will fall out."
As Karasawa explained, Hattori Heiji also turned the trash can upside down under the rope: "You see, this way the height of the trash can is higher than the chair."
"But, but... Xiaoping, when I came in to check the situation, it was not like this at all." Detective Otaki said hesitantly.
"Don't worry, you'll know when you see it."
Tang Ze smiled and said, "As long as he lifts the trash can between the chair legs when he is about to hang himself, the sweeping robot will push the trash can to the corner of the room.
Once the robot vacuum cleaner returned to its charging socket, the incredible hanging scene was complete."
"The fact that the cleaning robot's cleaning route is set like this is the best evidence."
Hattori Heiji watched the robot vacuum push the trash can into the corner: "I guess I put an obstacle in the middle of the room before, so the robot vacuum remembers this route."
"Wait, wait a minute!" Maori Kogoro and Detective Otaki were stunned when they heard this: "So this case..."
"That's right, no matter how you look at it, this is a suicide case." Tang Ze nodded.
After reaching this conclusion, Detective Otaki actually felt relieved, because this case was quite stressful for them.
After all, the target person was killed under their supervision. If it was really homicide, it would be dereliction of duty on their part.
Now that it's confirmed to be suicide, it has nothing to do with them.
However, this is a good thing for Detective Otaki, but for Hattori Heiji, this result makes him lose all desire to live.
Looking at Hattori Heiji leaning against the wall, looking exhausted from losing his dream, Toyama Kazuha couldn't help but feel a little worried: "Are you okay, Heiji?"
"How could you be so depressed..." Conan beside him couldn't help but say with shame.
"By the way, why did Mr. Guanyue choose to die that way?"
Maori Kogoro, who was standing by, looked at Detective Otaki with some confusion and asked, "Do you have any idea?"
"According to our investigation, Mr. Guanyue previously borrowed a large sum of money due to a failed stock investment."
Upon hearing this, Detective Otaki recalled the intelligence he had gathered earlier and said, "He hates the stockbroker who caused his failure to the core.
I once said at a dinner table that I would drag that person to hell with me.
We couldn't confirm it before because we didn't rule out homicide.
But now, I think Mr. Guanyue wanted to make the suicide look like a homicide because he wanted to take revenge on the stockbroker."
"So that's how it is."
Maori Kogoro nodded in understanding, then sighed, "But he's really unlucky.
He probably didn't expect that there were criminals watching near his room, and no one suspected homicide, so it was immediately ruled a suicide."
At this point, Maori Kogoro said, "By the way, if it's a frame-up, then that means the stockbroker also lives nearby?"
"Not only was he nearby, but the stockbroker moved into this apartment building around last year," Detective Otaki recalled. "I remember his name was..."
"You mean Mr. Fupu who lives on the second floor? He's been causing a lot of trouble for everyone living here."
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