Conan: I Am Not a Snake Spirit

Chapter 3727 Detective’s methods

"Of course, Takeyama should often drive in various areas of Tokyo to recycle electrical appliances, so the fuel consumption of his truck may be quite large. I can't guarantee that there will be gains," Chi Feichi added, "But this is always the case. There is a clue. Now everyone has no clue. We can try all possible methods. If the gas station can find the refueling records, I will go to the second-hand electrical appliance store to look for the ledger. If I can find the ledger, I can calculate the location of the cemetery. It will be easier."

If everything goes well, in a few minutes, Feimo Legion should be able to upload Xiaolan's location to the Ark Intelligence Network, and then he will know where Xiaolan is.

However, even if Xiaolan's location is known, there is still a question as to why he went there. It is better to check it yourself based on the known clues.

"You're right, we have to try every possible method now!" Maori Kogoro sternly agreed with Chi Feichi's words, then turned to look at Conan, "Then let's split up. , I’ll take Conan to Officer Megure, and I’ll leave this to you!”

"Mr. Maori, please drive my car there!"

Takagi Wataru quickly handed his car key to Mouri Kogoro.

Mouri Kogoro was not polite to Takagi Wataru, took the car keys, called Conan and drove away.

Chi Feichi, Koshimi Nanatsuki, and Okiya Subaru got out of the car and went to the gas station with Takagi Wataru. After Takagi Wataru showed his police officer ID and negotiated with the gas station staff, they followed the staff to the control room.

"This gas station will save surveillance videos for half a month. We want to watch all the surveillance videos. It may take a lot of time..." Takagi Wataru looked at the surveillance screen and encouraged himself in his heart.

come on! In order to find Xiaolan as soon as possible, no matter how much surveillance is required, they must keep their spirits up and watch!

"It doesn't need to be so troublesome," Chi Feichi turned to look at Yueshui Nanatsuki, "Yeshui, are the doctor and Xiao Ai ready?"

"Wait a minute," Koshimizu Nanatsuki put the laptop he brought on the table, "They have already sent the software!"

Takagi Sheba walked to the table in confusion, "Mr. Chi, what are you..."

"When Mr. Chi went out, he asked the doctor to help write a computer program," Subaru Okiya stood at the table, squinting his eyes tightly behind his glasses, and explained in a gentle tone, "a computer program that can recognize letters and numbers from videos. , and can filter out programs that specify a combination of letters and numbers..."

Koshimizu Nanatsuki saw that the program had been transferred to the computer, and used an adapter cable to connect the computer and the monitoring host. As he acted, he explained to Takagi Wataru, "You only need to connect the computer and the host where the monitoring is saved, and then run that Computer program…”

"Modify the permission settings in the surveillance system so that the computer program can read all surveillance videos." Chi Feichi was operating the computer at the desk. After setting it up, he entered a string of letters and numbers into the program's input box. " Then enter the license plate number of the Zhushan Taiji truck to search..."

As Chi Feichi clicked the 'Search' option, the program began to read all the surveillance videos, searched for the corresponding license plate number in the videos, and quickly intercepted the video clips one by one.

In just five seconds, the program intercepted eight video clips showing the license plate of Zhushan Taiji trucks.

Okiya Subaru looked at the video number displayed on the computer, narrowed his eyes and said to Takagi Wataru, "This way we can quickly find the video clips we want from a large number of videos."

Takagi Shiba sweated, "That's it..."

The search methods of these detectives are really powerful, and their various techniques are no worse than those of the Metropolitan Police Department...

Koshizui Nanatsuki looked at the video clips captured on the computer and said with emotion, "In half a month, Takeyama's truck came here to refuel eight times. It seems that we have found the right place..."

Chi Feichi turned to look at the staff standing at the door, "Can you please find the bills corresponding to these eight times?"

"Ah, okay, no problem!"

The staff hurriedly stepped forward and wrote down the dates and times corresponding to the eight surveillance clips with a notepad. They then went to the side to look up the bill on the gas station's computer.

While the staff was checking the bill, Chi Feichi, Koshimizu Nanatsuki, Takagi Wataru, and Okiya Subaru watched the eight video clips.

As Koshimizu Nanatsuki watched, he used a notepad to record what happened when the truck was refueling.

For example, were there any second-hand electrical appliances in the carriage? How many people were in the carriage? Did Takeyama Taiji drive himself to refuel or did he bring his employees...

They can't expect to find account books in second-hand electrical appliance stores, and naturally they can't miss these clues that may be useful.

While viewing the video, Chi Feichi successively received calls from his secretary Hayakawa Seiji and Megure Shisan, asking Hayakawa Seiji to go to the network department with the documents sent by the police to cooperate with the police in investigating the login of the designated UL account. Condition.

After watching the eight video clips, the gas station staff also found the corresponding bills.

Chi Feichi asked the staff to make a copy of the bill, gave it to Gao Mushe for safekeeping, and then drove others to the second-hand electrical appliance store in Zhushan Taiji.

The door of the second-hand electrical appliance store had been broken open by Mouri Kogoro before, and the four of them entered the second-hand electrical appliance store directly.

Takagi Wataru, Koshimizu Nanatsuki, and Okiya Subaru began to rummage through the account books indoors.

Chi Feichi sat at the table and checked the normal fuel consumption of Zhushan Taiji's truck on his mobile phone, and then looked through the copied bill from the gas station and the records on Kishui Nanatsuki's notepad.

The truck in Zhushan Taiji refuels irregularly. Sometimes it goes to the gas station for two or three days in a row, and sometimes it goes to the gas station every two or three days.

The truck showed up at the gas station at irregular times, sometimes in the morning, sometimes at noon, sometimes at night.

Most of the time there were two people in the car, Takeyama Taiyoshi and Ito Yosaburo, but there were also one or two times when Takeyama Taiyoshi or Ito Yosaburo drove over alone to refuel...

These clues may seem messy, but they allow him to find differences and then deduce from the differences - what did Takeyama Taichi drive that car to do before refueling, or what did Takeyama Taiji drive that car to do after refueling? .

For example, the truck drove into the gas station in the evening two days ago, and Takeyama Taiyoshi and Ito Yosaburo were all sitting in the car. There were also a lot of old electrical appliances in the truck. So on this day, Takeyama Taiyoshi and Ito Yosaburo were driving. They probably went out to recycle electrical appliances. On their way back to the second-hand electrical appliance store after recycling the electrical appliances, the two stopped by a gas station to refuel.

In addition, based on the amount of refueling the truck received before and after refueling, he could calculate how many kilometers the truck had traveled during this period. Combined with the time interval between refueling, he could determine whether the fuel consumption of the truck was what should be expected in normal recycling of electrical appliances.

The 'cemetery' where Zhushan Taiji illegally disposes large-scale garbage is located on a remote mountain. On the day when electrical appliances are transported to the 'cemetery' for disposal, the truck will definitely consume a lot of fuel... Even if the truck is usually used to recycle electrical appliances, the fuel consumption will be very high. Not to be slow, on the day when Zhushan Taiji transported electrical appliances to the 'cemetery', there would probably be some unusual clues left on the oil used in the truck.

Judging from the refueling situation of the truck, Takeyama Taiyoshi, Ito and Saburo should not be the kind of people who are well-planned and meticulous in their work. Such two people would most likely not think of deliberately covering up the fuel consumption rate of the truck. He found out the key The likelihood of clues is not low…

"Buzz...buzz..."

Sensing the vibration of his phone, Chi Feichi took it out of his pocket, looked at the caller ID on the screen, and answered the call, "Officer Mu Mu?"

"Brother Chi, it's me," Mumu Shisan said in a serious tone, "Umbrella's network department has cooperated with us in investigating the UL account login addresses of those people. There is no account login address in the UL accounts of these people present. It is consistent with the account login address of the mastermind behind the scenes. We currently have no We can't determine whether the prisoner has been using different devices to log in to different accounts. We can only ask the Umbrella network department to help us monitor the account of the mastermind behind the scenes. If that account logs in again, they will pass the login information to the police. …How is the situation over there?”

Chi Feichi looked at Koshizu Nanatsuki and the others who had stopped searching, "Have you found the account book?"

Koshimizu Nanatsuki, Okiya Subaru, and Takagi Wataru shook their heads one after another.

"No……"

"I have nothing to gain here..."

"I am here too..."

Chi Feichi said to Mo Mu Shisan on the other end of the phone, "We found the refueling records of the truck at the gas station. There were eight times in half a month. However, we did not find the account book at the second-hand electrical appliance store. As for the refueling records, If there are any key clues, we have to study it further. Officer Mu, has the Umbrella Network Department recovered the chat history between the account behind the scenes and Takeyama Taiji? Takeyama Taiji thought that person was Lisa Papp. He probably mentioned it to the other party when he chatted with him before. The exact location of that 'cemetery'."

"Part of the chat history was restored over there and was just sent over," Megure Thirteen said, "Zhushan sent a lot of messages to the other party, and Brother Maori and Conan are still looking at those chat records."