However, this wiring method has a drawback: it produces a slight electrical noise. It's so faint that only a professional can hear it.

The house on the other end of the phone line was rented. According to the landlord, the tenant was a middle-aged man in his forties who had lived there for a year. He rarely went out or went to work.

The local police officer didn't make a record, which means the other party hadn't registered for a temporary residence permit, or even registered as a migrant worker.

Then finding the right person became a problem.

This person hiding is likely a liaison, staying here just to wait for a phone call. If Zhang Haiyan is safe, he will continue to wait.

Nobody knows when the phone will come. Even if it does, it'll probably be a pager call from a public phone, and then you'll have to wait for a callback.

One can imagine how agonizing that must have been.

Another major question is, who arranged all of this?

This cannot be done without someone with exceptional organizational skills.

He is very familiar with China, and even has a special understanding of central Shandong.

Recently, customs and airports have been conducting very strict inspections. This high-intensity inspection will cause inconvenience to passengers, and the workload is also excessive.

Lu Zhongdong, Qi Du.

This was the capital of the State of Qi during the Spring and Autumn and Warring States periods.

The history and culture are very long, not to mention.

Qidu is a district-level unit in the central-eastern part of Shandong Province. In Qidu, there is a place called Fenghuang Town, where Jinling Enterprise is located.

It mainly produces iron ore, with a small amount of copper ore as well.

The successful cultivation of China's first giant mushroom was largely due to the Jinling Mine, which supplied the raw materials for the mushroom.

That's right, the raw materials for uranium were supplied by this company.

Phoenix Town may not seem big, but many important departments are actually stationed here.

In a village far to the north of the town, there is a courtyard house that has been rented out, and there are many minerals in the courtyard.

The minerals are very common in the area, but there's nothing special about them.

The courtyard is divided into an outer courtyard and an inner courtyard, with four or five people usually living inside.

A white plaque with black lettering hangs above the gate, which reads "Qilu Metallurgical and Mineral Research Institute's Office in Fenghuang".

The inner courtyard was the institution for studying minerals. The outer courtyard was the courtyard for receiving guests.

Although it was supposed to be a reception for guests, actually very few people came.

The inner courtyard has been specially decorated and contains a variety of instruments that most people don't know the names of.

Centrifuges, detectors, and so on—only professionals can understand these things.

Can you imagine a dilapidated courtyard with some kind of sign hanging up, where they extract uranium from a mine? And then mix other substances with the uranium to extract a poison?

They're operating right under your nose.

The fact that they can conduct this kind of research right under our noses only shows that it's hard to guard against a traitor within our own ranks.

People are used to being relaxed, and they feel that danger is very far away from them.

Zheng Haishan and his team kept a close eye on wireless communications. They also had a ground reconnaissance team responsible for intelligence gathering in various places. But one day, they overheard some people chatting and saying that in a village in Qidu, several people had been diagnosed with cancer.

In a village with over a hundred households, it's quite normal to have a few people with cancer.

At first, the intelligence gathering personnel didn't take it seriously, but some things needed to be recorded, summarized, and cross-checked.

During the cross-checking of information, a middle-aged analyst said, "If I remember correctly, Qidu Jinling Enterprise in central Shandong supplied raw materials to the Nuclear Research Institute. Could this village have been contaminated? And why didn't the local authorities take it seriously?"

These special agents are now essentially working groups sent down from above. Although they are targeting enemy agents, they will also kindly remind the locals of some things if they find out.

Send two people over to investigate and assess the situation. If pollution is indeed occurring, it would be a serious matter.

The investigators borrowed a local vehicle, a Changhe. It was quite old and worn out, which was perfect for providing cover.

The village we visited was called Jiangzhuangmiao. We went to the village committee first, and with a letter of introduction, we said we were from the health bureau and needed to investigate the disease situation in the village.

Then, through visits, they found seven or eight cancer patients, including three elderly people, two middle-aged people, and four young people.

Cancer is different too.

Among the young people, there was one with leukemia and another with a tumor on his neck, which was said to be a lipoma. Generally, no one pays attention to these things, but when they suddenly experience pain and go to the hospital for examination, they are told that the condition has worsened.

This village doesn't have running water yet.

Everyone drinks water from wells, which are located two to three hundred meters underground. The wells are pumped by electric motors, and the water is released three times a week for an hour each time. Every household has several large water tanks.

By asking them about their drinking water and water sources, the investigators discovered that these sick individuals were fetching water from an abandoned well two miles away from their village in order to save on electricity costs.

In the village, people pay for the electricity to use the water, and the electricity cost for pumping water is shared equally among the households.

After visiting the village, they went to the wastewater well they had mentioned, where the water was now visible to the naked eye.

This is strange. The wastewater well should be dry, so how come there is water? We need to investigate further.

I scanned it with the equipment. Sure enough, there was radioactive material.

“Hey, look, water is flowing into the well. Could it be that this water flow is making the wastewater well have water?” one of the scouts said.

"Very likely. Check the water source."

The two of them followed the small ditch of flowing water upwards, checking it with equipment every 20 meters. The results showed that the higher they went, the higher the radioactivity levels became.

One of the scouts said, "Don't investigate any further. I think this is more complicated than it seems. Let's report it first and see what the higher-ups say. If things get complicated, call for backup."

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