Wu Cuo immediately stood up and measured the width of the tunnel with his steps.

"Don't say it, it seems to be true."

Yan Ruyu continued: "As soon as I see this tunnel, I find it strange. Usually, secret tunnels are built to escape. For example, in the early days of liberation, bandits hiding in the Gobi Desert in Gansu and the mountains of Guangxi built many tunnels, and the specifications are just enough for one person to pass through. Because it is not conducive to escape if this thing is narrow, and it takes too much effort to repair it wider, and there is no need for that.

But the tunnel in front of me was a little wider, and the two of them walked side by side and a little crowded. It was built like this...it should be to let something pass."

"That's not necessarily gold, right?"

"I guess it's gold. There is another reason. If you think about it carefully, where does this tunnel lead?"

"If you have the direction..." Wu Cuo returned to the entrance of the tunnel and walked again along the tunnel, and gestured with his hands while walking.

"Garbage ground! The tunnel leads to the garbage ground!"

"What about after passing through the garbage dump?"

"After walking through the garbage dump... I didn't understand very much."

"Let me remind you. When I was managing Qingshui River, there was too much garbage in the river, so I simply built two temporary garbage dumps along the river, one of which was next to this haunted house, which is the one above our heads..." Yan Ruyu pointed to the authentic top and continued: "There is a bank street along the Qingshui River. To put it bluntly, the headquarters of all major banks are on this street, and the public security bureau in the jurisdiction is in the middle of the street. If there is any emergency, the police can arrive within 3 minutes.

When I was looking at the map yesterday, I happened to notice that after passing the garbage dump, I was a bank street.

If this tunnel really crosses the entire garbage dump - think about it, the garbage dump is actually the size of two basketball courts, and the project is not as big as imagined - once you pass the garbage dump, it is Bank Street. You say, digging the tunnel in that direction is not for money, why can you do it for?

Wu Cuo gasped, "I understand, the three unlucky children who came to explore discovered the authenticity. The robbers were afraid that the matter would be exposed, so they silenced them!"

Yan Ruyu looked around again. The phone that had just had a white screen was no longer lit. The two of them could only rely on lighters and Wu Cuo's mobile phone lighting.

"From the authentic digging method, the thief embezzled the 1998-year vault theft case."

"Is it possible that I was the same group as before?" Wu Cuo asked.

Yan Ruyu shook her head, "It's unreasonable."

"Why?"

"They won't kill anyone in that group of thieves in 1998."

"But people can change."

This time, Yan Ruyu didn't answer.

Human hearts are uncontrollable factors. No matter how strong his reasoning ability is, he will not understand them thoroughly.

"If you don't talk about this, there is another strange thing, which is the mold spots on the surrounding walls.

This layered mold spot has been left over the years. Look here, "Yan Ruyu pointed to a mold spot on the wall. "In summer, mold spots grow in rainy season. In winter, mold spots hibernate, mold spots penetrate deep into the wall, leaving black marks. In the second rainy season, new mold spots grow, and such layered marks will be formed.

It seems that this is a bit authentic."

Yan Ruyu frowned and thought for a while, and continued to ask, "Bank Street has been a bit old, right?"

"Yes, before 1998, three banks were on this street. After the Bank of China theft case occurred, other banks moved here one after another and gathered next to the police station to make it safe."

Yan Ruyu looked at the mold spots on the wall for a while and suddenly clapped her hands.

"I probably know! You're right! This case was indeed done by the thieves back then, but not everyone!"

"What's the meaning?"

"This tunnel is probably dug by the thieves back then! Their original target was not the Bank of China, but one of the three banks on the way to the bank, but for some reason, they gave up their original target.

The target was changed, but the tunnel dug was not filled in that year, but let it be abandoned here.

After the thief succeeded in splitting the stolen goods, he changed his appearance and never contacted him again.

After 19 years, one of them squandered all the stolen money and wanted to use the same trick to get some money again, so he came back and found this abandoned tunnel and planned to make another vote in the near future.

Unfortunately, the three young people on the expedition made him mistakenly think that the plan had been discovered, so he killed him."

Yan Ruyu paced excitedly, "Yes! It must be like this! That authentic photo from back then is still imprinted in my mind! I feel strange, how could it look so similar? Because it was just dug by one person!"

Wu Cuo looked at the surrounding cave wall incredibly, "What do you mean... this tunnel was dug in 1998...that was it 19 years ago?

It hasn't collapsed yet? It's not discovered? It's too..."

Yan Ruyu pointed to the brick wall blocking the two of them, "There should be a brick wall every once in a distance to serve as a supportive effect. Moreover, this old city has not experienced excavation and renovation, and the load-bearing above the tunnel has not changed much. In addition, the people and materials back then were relatively honest. Unlike now, they often do a tofu project. It is not impossible for the tunnel to be maintained for 19 years."

"But……"

Yan Ruyu waved his hand, "Think about the air raid shelters built by our country were 70 years old, and they have been abandoned for a long time, and many of them are still intact."

"Okay." Wu Cuo let go of his worries for the time being and asked again: "What do you think of the murderer?"

"The original thief also makes money but does not kill lives, and the current indiscriminate killing of innocent people shows two problems.

First, the murderer must not be a core member of the original theft gang.

Because the way a team behaves depends on the core members, the criminal gang that year "follows the rules". This is decided by the core members. If the core members come back, the rules will not change so easily.

Then let’s analyze who is not a core member of the theft gang?

To be the core of a team, you must have IQ, EQ, overall perspective, and insight. Among the several suspects, one is responsible for authentic engineering, one is hacker, the other is responsible for advanced lock unlocking, and the other is good-skilled security guard. Who do you think is the least likely to be a core member of the gang?"

"It's the security guard!... Well... the lock-opening and the tunnel-digging are not very similar to the core members... If the hacker is right, it seems that the hacker is the most powerful, so it should be a think tank, right?" Wu Cuo analyzed.

"Very good, just sort it out, the security guard is the most suspicious. He wants to come back and commit the crime again, but theft of the bank vault alone cannot be completed with the power of one person. He will look for accomplices.

A down-and-out fugitive, he could only find those desperate people who dared to do anything for money. His new partner, the one who killed Zhang Xiang and Zhang Yufei with a fruit knife, was not very strong. In addition to being women and teenagers, they might also be drug users. After all, a lot of gold and money tempted too much to drug users."

"Okay, these are all your speculations, no evidence."

"The evidence is not difficult to find, especially... and that half of the ear." Yan Ruyu came to the blood-covered area again, "I just wanted to ask you, have you seen the bandit's ears clearly? Is there any injury on his ear?"

"Wu Cuo shook his head and saw only one ear, which was intact, and the other one was blocked by you, so he didn't look..."

Wu Cuo suddenly fell silent because he heard a sound coming from the entrance of the tunnel.

Crazy-Tick-Tick-Tick-

Yan Ruyu also heard the sound, and the two hurried to the corner and looked at the entrance of the tunnel.

Before I could see anything clearly, I smelled a smell first.

Gasoline! It's gasoline!

"Damn! This grandson is going to set fire!"
Chapter completed!