That night, in addition to the two props used to disguise the suicide.
I think Hiroaki Buta also gave Saki Iimori a box of Assam tea.
The poison that actually killed Saki Iimori was put in this black tea.
Of course, all this is just Tang Ze's guess.
If there is no evidence to support this reasoning, there are many weaknesses in it.
So after telling Takagi about his reasoning, the two went to Iimori Saki's house again, wanting to verify Karasawa's reasoning.
Sure enough, Tang Ze found several cans of high-quality black tea stacked in the cabinet built into the kitchen.
"They're all empty. It seems that after Saki Iimori finished drinking the tea, she kept the tea can that Hiroaki Buta bought for her."
Tang Ze sighed slightly, "I cherished the gift so much that I even kept the empty can, but in the end I ended up meeting the wrong person..."
"Detective Tang Ze, now is not the time to sigh."
Looking at the various black teas displayed in the cabinet, Gao Mu said excitedly, "So, as long as we find the can of black tea that was poisoned, we'll have evidence!"
As Takagi said this, he put on white gloves and wanted to take all the tea away, while Tang Ze on the side looked around the kitchen and then walked to the sink.
"Detective Takagi, stop looking."
Looking at the can of Assam black tea on the water control net, Tang Ze called out to him and picked it up: "I'm afraid this will be the last one you drink."
"But it's empty?" Takagi couldn't help but be surprised when he saw the teapot without a lid and clean inside.
Tang Ze took the porcelain teapot from the water control net and examined it. After activating his super sense of smell for a moment, he sighed and said, "As expected, it has been cleaned."
"Have you washed?"
Gao Mu was shocked when he heard this: "How could it be, this is a teapot, who would normally wash it..."
"It's probably just a matter of convenience."
Tang Ze thought about it for a moment and figured out the key to this result: "The tetrodotoxin prepared by Bu Tianhongming is colorless and odorless, but black tea will mold.
I'm afraid that Hiroaki Buta deliberately mixed moldy black tea into it. After drinking the black tea, Saki Iimori found that the tea leaves were moldy, so she cleaned the tea set thoroughly.
As for the moldy can of black tea, it was probably cleaned away while washing.
"Damn...it's the dirt crusher..."
Gao Mu, who was standing nearby, immediately checked the pool after hearing what Tang Ze said. He discovered that the pool on the other side of the water control network had a sewage crusher installed. He couldn't help but say angrily:
"Now it's flowing straight down the drain. Did that Hiroaki Buta even anticipate this?"
"It's just like what the professor said. It's just my deduction game."
Tang Ze patted Takagi on the shoulder, signaling him to calm down. "But if someone who understands Iimori Saki's personality and lifestyle committed the crime, then it's not impossible to complete the case."
"Detective Tang Ze, why aren't you worried at all?" Gao Mu looked at the calm Tang Ze and said anxiously, "How are we going to bring that guy to justice in this situation?!"
"The more difficult the criminal, the more motivated I am." Tang Ze said with a smile, "I really want to see his expression when he is arrested."
Looking at Tang Ze's lifeless smile, Gao Mu couldn't help but shudder.
For some reason, he actually felt a sense of danger.
But as a companion, Takagi felt relieved the next moment because he knew that Detective Karasawa might have found a solution.
And this is indeed the case.
I have to say that the other party's method was really powerful. He only made some indirect preparations and used the knowledge of psychology to manipulate the other party's behavior patterns without the other party's knowledge, and killed himself.
Not only that, even the remaining clues led the other party to eliminate themselves.
And the poison bottle also played a key role in this plan.
And now everything is clear.
Although it is not known what lies Hiroaki Buta used to deceive the other party, he did ask Saki Iimori to take the bottle of pufferfish poison and the apology note that meant like a "suicide note" back home.
Combined with the moldy black tea, the deceased himself cleaned up all the evidence.
To be honest, looking back on it, it even makes people feel a little creepy.
Although Saki Iimori was a person with independent consciousness, all her actions on the night of her death seemed to be controlled by invisible threads behind her like a puppet.
Moreover, the bottle clearly says "poison", which makes people subconsciously think that most people would not drink it unless they were committing suicide.
To be honest, even Tang Ze had to admit that the opponent's technique this time was close to perfection.
Under the guidance of the other party, Saki Iimori destroyed all the evidence completely, and the remaining evidence was indirect and unconvincing.
No wonder that in the face of Tang Ze's suspicion, Hiroaki Buta was full of confidence and showed no fear at all.
Obviously, he had strong confidence in his methods and even felt that the case would ultimately be ruled a suicide due to insufficient evidence.
But being close to perfection is not perfection after all. As long as it is a crime committed by humans, there will be flaws. The only difference lies in the size of the flaws and whether the people looking for loopholes can find them.
Perhaps it was fate that had the misfortune of meeting Karasawa this time.
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