Being able to capture Kurosawa Tomoyo is actually a good result.
At least it can curb the subsequent arson cases.
At the same time, it also helped Tang Ze to eliminate the "smoke bomb" surrounding the murder case.
After eliminating the smokescreen, Tang Ze began to sort out the case based on the judgment of ordinary murder, arson and corpse destruction.
In this way, he can judge all clues objectively to the greatest extent possible.
So he asked Naoki Kamii to bring the information about the arson case and confirmed one thing.
In the two cases that Kurosawa Tomoyo denied, the ignition devices used were electric stoves, and they were both the same type of electric stoves.
If we add the case of Kiriko Koyanagizu, then the three cases have similarities.
When Karasawa informed Naoki Kamii of this, he saw the photo of the burnt-out electric stove and couldn't help but exclaimed in surprise, "Why are all of them cordless stoves?"
"Look, this electric stove started burning in the warehouse of this IT company." Tang Ze pointed to the information on the document: "In other words, it was not connected to the socket."
"Then the criminal used the residual electricity in the circuit to turn on the electric stove and used it as an ignition point to commit the crime?"
Upon hearing this, Naoki Kamii speculated, "But this is a bit strange. How did the criminal know that the heater had electricity?"
"Do you think it was just someone who turned on the electric stove?" Tang Ze pointed at the information and said, "I think something automatically turned on the stove and caused the fire."
"Eh? It opens automatically?" Naoki Kamii was surprised: "But how is this possible..."
"Why not?"
Tang Ze pointed at the black electric stove in the photo and said, "Don't forget, this is the latest design.
And since there is no experience from others, there may be defects, right?
Don't forget what kind of person Koyanagizu Kiriko is."
"Senior, are you saying that Kiriko Koyanagi has been coming home late from the union office recently just to investigate the defects of this heater!?"
After hearing what Tang Ze said, Naoki Kamii quickly reacted and understood what Tang Ze meant: "Then the company's senior executives are very suspicious!"
"Let's not talk about that for now. We need to find evidence from Xiao Yanagizun Tongzi's investigation and prove this point."
Tang Ze asked Naoki Kamii to go to the forensic department to get the physical evidence collected from the union office, with the focus on the paper documents.
However, because of the fire, most of these paper materials were burned to pieces, and even more turned into fuel for the flames.
But even so, there was still a very tall pile of papers left.
"Senior, we're looking for the record of the deceased investigating the electric furnace, but I don't know if it was recorded or simply destroyed in the fire..."
While rummaging through the documents, Naoki Kamii maintained a pessimistic attitude towards the work at hand.
"No, it's not as troublesome as you think. You overlooked a very crucial point."
Tang Ze said, "Yamashita Jing also said before that Xiao Yanagizu Kiriko has been taking a ride home recently. This is a bit unusual."
"So we still need to find an invoice?" Naoki Kamii said as he discovered an invoice among the documents he was searching through.
"It's an overtime invoice for someone named Uejo Sei." Naoki Kamii took a look and said, "It's from Shunchang Transportation Company, not the deceased."
"I found one here, and it's from the same company as the one you have." Tang Ze shook the invoice in his hand.
The two of them kept searching and soon found the invoice for Koyanagi Tsukiji's recent taxi ride and discovered the problem.
Those are the invoices issued by these taxis, each one is issued by a different taxi company.
This was very strange. Tang Ze and the others also looked for taxi receipts from other people, but they found that all the receipts combined were not as complete as the receipt for Kiriko Koyanagi's taxi.
Of course, this completeness does not refer to anything else, but to the invoice from the taxi company.
Shunchang Transportation Company, Tongxing Transportation, KM Wireless, Chuange Transportation Company...
Invoices from various transportation companies were included. Since they all had dates on them, the two of them quickly sorted out the vehicles that the other had taken during this period in order.
Unfortunately, these invoices only cover the day before the incident, and it is unclear which transportation company's taxi Koyanagizu Kiriko took on the day of the incident.
However, no physical evidence could be found, but the two of them still had the method of witnesses.
So Tang Ze and the other person took the taxi receipt of Koyanagizu Kiriko and went to the company again to visit Yamashita I and Harada Makoto.
"Ms. Koyanagi has been taking a different taxi every night recently. May I ask which company's taxi was used on the day of the fire?"
Spreading out various invoices on the coffee table, Tang Ze explained the purpose of his visit to the two of them.
"I remember...it seemed like the Captain Yufeng was rented that night." Harada Makoto recalled after hearing what Karasawa said.
"A different rental company again..." Tang Ze nodded in understanding, a gleam of light flashing in his eyes.
"This should be your company's taxi receipt, right?" Gao Mu said, holding up an invoice. "I see that except for Ms. Koyanagi, most of you used this Shunchang Transportation Taxi."
"That's right. Our company has a partnership with Shunchang Traffic. Normally, we only take taxis from Shunchang Traffic."
"I understand." Tang Ze nodded, stood up and said goodbye to the two of them.
Although this visit was short, it completely confirmed Tang Ze's speculation.
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