After Wu Cuo finished smoking the cigarette, Yan Ruyu lit another one. The two of them didn't say anything, just smoked.

After about 10 minutes of smoking, Yan Ruyu said, "When do you think they will come to kill us?"

Wu Cuo simply changed from sitting to lying down. He couldn't answer this question, but he just felt that he should try his best to preserve his strength.

There are at least two murderers.

This is Xu Xinger's speculation.

What if there are only two murderers? There is always a possibility of fighting with them. Even if you can't escape, you can buy Lao Yan some time to escape.

But the more I want to preserve my energy, the less I am in my stomach.

First, Wu Cuo's stomach screamed, and Yan Ruyu followed closely behind.

The two of them sang a duet between the air and started an empty city plan.

"It's a mess that can boost others' morale and destroy your own majesty!" Wu Cuo cursed while rubbing his stomach.

Yan Ruyu also lay down, "I can't figure it out."

"Can't figure it out?"

"Why don't you run away if you kill someone? Even if you don't run away, at least clean up the crime scene. Which criminal would you see at the scene waiting to arrest the police officers in charge? Isn't this seeking death?"

After Yan Ruyu said this, Wu Cuo also thought about it.

"Yes, something is really wrong." After thinking about it, Wu Chou said again: "I think he is a madman! What logic does he tell the madman?"

"Then have you seen the madman clearly?"

"No." Wu Cuo shook his head in annoyance, "He wore a hoodie and a hat. When he attacked you, he deliberately blocked himself with you. I couldn't see his face."

"Think about it carefully, what you will always remember, such as his height and hair color."

"Okay, I think about it. He is much stronger than you, and seems to be a little taller than you. He looks 185 years old, black hair... No, he has white hair, especially his sideburns... But does his skills have a trace of old lady? He should be in his prime... That's less white hair! That's right! A middle-aged man with less white hair."

"Very good. Think about the weapon in his hand. Think about it carefully. Is it consistent with the wound behind Lin Cong's head?"

Wu Cuo closed his eyes and frowned, carefully recalling the few seconds he encountered with the bandit, "Hammer...that hammer...I can't remember it clearly... At that time, I just thought he was going to attack you, how could I describe it? It's just murderous intent! I was just worried about you and let you hide, and I didn't pay attention to other details at all."

"It's okay." Yan Ruyu thought for a while and began to sort out: "There are now three major problems.

First, who killed three students?

Second, what is this passage used for?

Third, what will the enemy deal with us next?

Which issue do you think is the key?”

Wu Cuo shook his head, "Don't keep it aside at this time."

Yan Ruyu was silent for a moment and suddenly asked: "Have you heard of the case of theft of the China Bank of China in Beibei City in 1998?"

"Why did you suddenly talk about this?" Although Wu Chou was not used to Yan Ruyu's sudden change of topic, he still replied: "The textbook-level bank theft case has not been solved yet. Is it a policeman who knows the case?"

Yan Ruyu nodded, "As soon as I saw this, I remembered the burglary case in 1998.

Thieves also use authentic methods to penetrate into the bank vault. It was a theft gang. There were at least three professional and technical personnel in the gang, one was engaged in engineering, responsible for digging authentic tunnels, the other was hacker, responsible for blocking and interfering with the bank's security system, and a person with advanced lock-opening skills - they are advanced lock-opening skills, and the kind that can open the bank's clean warehouse door lock. How about it? Does it feel like watching blockbuster movies? In addition to these three, there is also a person who is very familiar with the internal security system of the bank.

There were indeed several people who resigned from the bank and were listed as suspects by the police. One of them, the security captain named Yuan Zhijie, was the most suspected. Since the incident, no one has seen Yuan Zhijie again. He seems to be..."

"It seems like I've received a huge sum of money, changed my name and flew away, right?" Wu Cuo asked.

"Anyway, the person is missing, so it's hard to say whether he will fly away with the money or be silenced by his accomplices." Yan Ruyu continued: "I've seen the case of the original case, and that group of people has two characteristics.

First, you only make money and not kill life. In the words of Tao, that is, "follow the rules".

When sneaking into the vault, there were three security guards along the way. They just knocked the security guard unconscious and did not hurt their lives - Oh, I forgot to say that this was scary, at least one of the people in this group had very good skills.

Second, make comprehensive plans.

If I had to do that case, it would take at least 3 months to plan for it, because it was too meticulous, and the width was planned in advance."

"Wait, I can't keep up again." As soon as he said that, Wu Cuo wanted to slap himself in a big mouth. What does it mean to "get up again"? Although this is a fact, it would be too shameful to be told by his own bald mouth.

Yan Ruyu raised the corner of her mouth and smiled, but this time she did not ridicule Wu Chou.

“Authentic width means…”

"Old Yan, wait." Wu Cuo suddenly interrupted Yan Ruyu seriously, "You should just make some sarcastic words."

"Why?"

"If you do this, I will think that 'When a person is about to die, his words are good', it's so fucking miserable."

Yan Ruyu rolled her eyes, "It's just that the key point is, don't interrupt!"

"Okay, you continue... why don't you say it?"

Wu Cuo saw an expression on Yan Ruyu's face that he had never seen before. He was a little confused and confident. He seemed to be thinking hard. He was only one step away from the answer, but he couldn't break the window paper.

How can I describe that expression?...It's like a long and comfortable fart coming soon.

Did he... what key was he thinking about? Is it a way to save himself?

Yan Ruyu opened her mouth, then opened her mouth again, and finally asked, "Where did I just talk about?"

Well, Wu was thinking too much.

This guy also forgets his words? Is this still the perverted IQ Yan Ruyu he knows?

"Hey, please pick up your chin and be careful of the fly flying into your mouth."

"Damn! Old Yan, you are so disgusting."

"Oh, remember, authentic width. Do you know how banks store gold?"

Wu Cuo shook his head, gold or something, and he could not pull his attention back from Yan Ruyu's shock.

"Gold is too heavy. If the base bracket for storing gold bars is too large, it will easily be crushed and it is not convenient to transport it. Therefore, the base bracket for storing gold bars is often only half the size of the base bracket for storing cash.

I know you are already confused, don’t worry, just take it as a background knowledge.

What I want to tell you now is my analysis of the burglary case that year.

The size of the base bracket for storing cash at that time was designed according to the size of the armored truck. The bracket length was 2 meters and the width was 1 meter 6, while the base bracket for storing gold bars was 1 meter 6 and the width was 1 meter. In this way, the space of the armored truck could be fully utilized when transporting gold bars.

This was fully considered when the robbers designed the authentic tunnel, with the width of the authentic tunnel being 1.2 meters.
Chapter completed!