The investigation team of Jiuheqiao Police Station has no code name and no special organization. Its sole purpose is to solve the murder case as soon as possible.
Bai Song was still somewhat tempted by the small house mentioned by his master. In fact, he really wanted to find a house nearby. Sometimes it was difficult for him to read at work because he was not the only one in the dormitory. When others were on duty, he could not read properly.
In the afternoon, the station decided on the members of the investigation team. Group one was headed by a policeman in his forties named Wang Dawei, who was the chief of team one. Group two was headed by Wang Xu. Group three was headed by Yu Wen, the female police officer who worked on a case with Bai Song last time. Group four was headed by Bai Song.
The investigation team held a meeting directly. Chief Sun held a meeting with the members of the investigation team and explained the current situation of the case.
"The focus of the current investigation is to find the two suspects. After the current investigation, the identities of the two suspects are about to surface. It is preliminarily estimated that these two people are debt collectors." After Director Sun finished speaking, Director Wei first put forward his point of view.
"Well, the second team also has the same idea now," Wang said. "In addition, the source of cyanide is also a focus of work. Let me talk about the current progress. Cyanide is a common industrial raw material. At present, several qualified chemical plants in Jiuhe District have been checked. There is no report of cyanide loss. The surrounding situation is being investigated. I have talked with the second team. We will go out to investigate this matter this afternoon. In addition, if we have time, we will go to the port recently. There is a large amount of cyanide stored at Tianhua Port, which also needs to be investigated."
"Well, Chief Wang, you take Wang Xu and Bai Song to work this afternoon. I will take Lao Wang and Yu Wen out to look for clues about the suspect." Chief Wei then looked at Chief Sun.
"Well, you can make your own arrangements and communicate more with the Second Brigade of the Criminal Investigation Detachment to avoid duplicate investigations and waste of police force. Yu Wen is on duty today, so Chief Wei, you can take Wang Xu with you. Chief Wang's job is to visit, so it will be enough for him to take Bai Song with him." After Sun finished speaking, he left the office. He had to go to the branch for a meeting in the afternoon.
Originally, Bai Song had to be busy with the follow-up work of Wang Xiuying's fraud case recently, so Sun Tang did not make any arrangements for Bai Song, but there was no problem for other comrades in the group.
At around three o'clock in the afternoon, Bai Song followed Wang Suo and began to visit several chemical factories in Tianbei District.
Bai Song was somewhat familiar with the chemical factory in Tianbei District. After all, the iron barrel containing the corpse in the previous murder case came from a chemical factory in Tianbei District.
At the end of July 1992, Shanghai experienced a hydrogen cyanide leak. The general process was that the hydrocyanic acid pipeline in the cyanohydrin section was blocked. When the workers were checking, they found a leak. They wanted to close the valve, but in a hurry they opened the main valve, causing 60 kilograms of hydrocyanic acid to leak, resulting in one death and four poisonings.
Modern chemical plants are extremely strict about the use of this highly toxic substance. It is just as difficult to get one gram of the toxic substance from a raw material box as it is to get one kilogram. If there are no accidents or leaks in a chemical plant, it is impossible for cyanide to leak.
In the largest chemical plant in Tianbei District, Wang Suo and Bai Song went through disinfection and put on special chemical protective suits before entering the main production base. The fully automated factory, three sealing procedures from beginning to end, advanced infrared, pressure, toxic gas and other detection methods, and finally the two visited the warehouse. The chemical plant that can operate normally in the city is as strict as a prison.
Chief Wang and Bai Song searched until the evening but still found nothing. After returning to the station, Sun's family was waiting for Chief Wang to come back.
Chief Wang is on duty today and is the main person in charge of this case. Sun's wife has been waiting for more than an hour.
"Hello, Lord Wang," the woman's eyes flushed, "I want to ask about our old Sun."
"Hello, hello." Wang shook hands with the woman and motioned Bai Song to get her some water and tissues. He then said, "Don't worry, we will do our best to bring the murderer to justice as soon as possible."
"Well!" The woman choked up after hearing what Wang Suo said, "In order to pay off this debt, our old Sun has been working outside from dawn to dusk all these years without stopping for a moment. This time, I finally got a little money to pay it back, but I didn't expect these people to be so cruel!"
After saying that, the woman suddenly collapsed to her knees on the ground.
"Don't be like this, don't be like this. No one wants this to happen." Chief Wang stepped forward and helped the woman up. "The case has been filed for investigation. Please trust us."
After the case was filed, according to regulations, relevant personnel must be informed and a notice of filing must be given within 24 hours. Not long after, two copies were prepared in advance, and the woman was asked to sign and seal them, with the Public Security Bureau and the woman each keeping one copy.
After finally coaxing the woman into a good state, Bai Song felt a little tired. He had been busy all day and had to be on duty tomorrow.
"Bai Song, go and send her off." Looking at the miserable back of the woman, Wang thought for a moment and made arrangements.
Bai Song followed her out. The woman looked back at Bai Song, said nothing, and slowly walked out of the duty hall.
"Hello, officer," the woman wiped the tears from her eyes, "I don't know your name yet?"
"The surname is Bai." Bai Song didn't know how to comfort him. After thinking for a while, he said, "Please accept my condolences. No one wants this to happen. We will definitely do our best to investigate."
"Well, thank you." The woman tightly held the case filing decision and case filing notice in her hands.
"We should." Bai Song said.
"Yeah." The woman said and got into a car.
This person should be the one who brought the woman here. The driver looked like the woman's daughter, a girl about 20 years old, and she looked even sadder than the woman.
When the girl saw the woman get on the bus, she hurriedly asked something. After getting the answer, she finally couldn't hold back and burst into tears.
If he drove like this, it would be a miracle if he didn't get into an accident! Bai Song knew that people would definitely be out of control when they were in this state of mind.
Bai Song knocked on the car door. The girl looked at Bai Song and opened the car window. "Police... Police uncle, I, I, what can I do for you?"
"Do you need a designated driver for you?" Bai Song asked with concern, "You can't drive in this condition."
"Thank you... No, no." The girl sobbed a few times, then wiped her tears with a tissue, and then wiped her nose, "I can drive."
"Let me drive." The woman got out from the passenger seat, helped the girl to the back seat, and drove away slowly.
Bai Song watched the car steadily disappear from his sight, felt a little relieved, and turned back to the station.
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