After hearing your subconscious reaction, I think maybe the criminal would really do as you thought and throw away the pot of cooked poisonous mushrooms.
Once dirty things are put in, even if you clean it thoroughly, it is still psychologically unacceptable."
"I'm going to check the garbage collection times for that neighborhood right now!"
Upon hearing this, Nanatsuki Koshimizu immediately stood up and trotted off, but returned not long after: "I've asked, and the garbage for small metal pots and pans is one day a month.
That neighborhood’s recycling day was yesterday!”
"It looks like there's a big project to do."
Tang Ze stood up and said, "Call everyone over here, put on their field uniforms, and prepare to collect evidence."
"clear!"
Upon hearing this, Nanatsuki Koshimizu immediately went out to notify his subordinates to gather, and Karasawa also informed Takagi and others of the news, asking them to investigate which garbage station the garbage in the community where the deceased lived was transported to.
After everything was ready, everyone walked towards the garbage station with a determined look on their faces.
Even if the things recycled yesterday were metal cookware, they were garbage after all, and they definitely wouldn’t taste very good.
Moreover, because there is relatively little metal waste, it is only discarded one day a month. So even if the amount is small, it will accumulate in one day, so the workload will not be too low.
Fortunately, they have developed a test paper for poisonous mushrooms. By simply collecting the sample with a cotton swab and testing it directly with the test paper, they can confirm whether there are any toxin residues on the pot.
Therefore, these cookware do not need to be taken back for scientific research, and can be directly tested and screened on site.
But there is one thing Tang Ze cannot guarantee, that is whether everything they do will be in vain.
Because this case involved poisoning, the criminal was very careful when doing it and did not leave many clues.
Moreover, because the poisoning was done remotely, unlike the Ke Xue case where the food was poisoned in front of the person, it was impossible to identify a suspect.
So Tang Ze was just taking a gamble from a psychological perspective, betting that the criminal would throw away the poisoned pots and pans.
Pots and pans were constantly picked up from the garbage mountain and handed over to different groups for verification.
As one of the young forensics officers shouted excitedly, a smile appeared on Tang Ze's face.
Because this time, he won the bet.
Relevant toxins were detected in a small pot.
Without any hesitation, they immediately took the small pot back to the scientific research institute.
After extracting the fingerprints from the pot, they were compared with the fingerprints of all people involved in the case.
The person whose fingerprints matched their suspicions was not Yoshino Mirei, nor was it Hirokawa Rena or Ueda Eiko.
It was Masako Fukumoto, who had always been inconspicuous and until now no conflict had been found between her and Eiko Ueda.
She was the oldest of the three and the only one who had no complaints about Ueda Eiko.
I thought she was a good person because of her age, but I didn't expect that she secretly wanted to kill people!
"But why?"
Nanatsuki Koshimizu looked at the evidence displayed on the screen with confusion on her face: "She doesn't seem to have any motive to kill Ueda Eiko?"
Listening to Nanatsuki Koshimizu's words and looking at the evidence in front of him, for some reason, the image of the paper airplane that the child snatched from his hand flashed through Tang Ze's mind.
Although the paper airplane was among a pile of debris, it was placed on top and was not pressed by anything. It seemed that the person had placed it there very carefully.
"That kid seems to treasure a paper airplane." Tang Ze said, "He should have brought it here. Go check for fingerprints."
"Senior, you mean..."
Hearing what Tang Ze said, Nanatsuki Koshimizu was stunned for a moment, then she reacted.
"I don't have any evidence, it's just pure intuition." Tang Ze shook his head and said, "Let's see the results."
Although it has not been verified yet, Tang Ze has an inexplicable confidence, as if his judgment is correct.
Of course, perhaps this feeling is not just due to intuition, but also because he believes that the seemingly unrelated things investigated in the case actually have invisible connections.
After handing the paper airplane to the evidence examiner for further comparison, Tang Ze and the other person called Takagi when they went downstairs, and the three of them rushed towards Fukumoto Masako's house together.
"After comparison, we confirmed that the poisonous mushroom soup was made by you."
Looking at Fukumoto Masako, Tang Ze produced evidence and said, "We found pots with toxin residues at the recycling station, and we also found your fingerprints on them."
"Also, your fingerprints are on this plane."
Nanatsuki Koshimizu took out her cell phone and played a photo. Masako Fukumoto looked at the airplane made of green advertising paper, and her calm face changed for the first time.
"Yamashita-kun..."
Fukumoto Masako murmured, then looked at the three people: "You found it, it's amazing."
"It's the senior's intuition."
Nanatsuki Koshimizu said, "Later, we found your fingerprints on the paper airplane, and that's when we became convinced of our predecessor's speculation.
You chose to poison him because of the child at the bottom of Ueda Mountain, right?"
"That's right."
Fukumoto Masako nodded: "I used to be someone who hated to be locked up in the neighborhood..."
As Masako Fukumoto slowly narrated the story, they learned the whole story of the case.
Masako Fukumoto divorced very early and her child was given to her husband, but when she was young she didn't think there was anything wrong with such a life.
Life is no longer as carefree as it was before, without any restrictions or need to take care of children.
For her, home at that time was just a place to sleep at night, and neighbors were just recurring passers-by she would meet on her way to and from get off work.
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