Although these five suspicious accounts were discovered, Li Cheng and President Meng both understood that it would be difficult to obtain evidence that this person had stolen the money.

President Meng has secretly investigated the identity cards used to open these five accounts and the people on the identity cards. These five people did not open accounts in the bank at all.

Moreover, two of these five people are already in their seventies. They all live in remote mountainous areas and have never stepped into a bank in their lives.

When Li Cheng saw the two copies of the ID cards, he couldn't help but curse in his heart.

"We've also secretly watched the withdrawal video. This guy is quite cunning, choosing rainy days to withdraw money from the ATM..."

An automated teller machine is what people commonly call an ATM. If you choose to withdraw money from an ATM on a rainy day, the person withdrawing money will not arouse suspicion by wearing a raincoat.

Moreover, he can deliberately cover his face so that the camera at the ATM cannot capture his face.

The secret investigations conducted by President Meng and his team were all done in secret because they all knew that the traitor was right next to them.

"There's only one way now, which is to check each account individually to see which employee number transferred money to all five accounts."

After President Meng finished speaking, he looked at Li Cheng nervously. He knew that if he used this method to check the accounts, more people would be involved and the noise would be greater.

It is difficult to keep it secret as Li Cheng requested.

As expected, Li Cheng shook his head and said, "President Meng, this matter has an impact on our bank and even the entire financial system. Once it gets out, the impact on our entire system will actually be much greater than the act of this rat stealing money."

President Meng thought about it and felt that this was really a case of a rat spoiling the whole barrel.

The problem is that this pot of soup is prepared for countless people, and you can't pour it out.

How disgusting! In the end, the ones who are disgusted are those who drink the soup.

"There's one more thing I don't know if you've ever thought about: are the person who transferred the money and the person who withdrew the money the same person?"

When President Meng heard this, he was stunned for a moment, then thought about the image he saw in the ATM video, and thought to himself that President Li was right. Maybe the person withdrawing the money was not the one who transferred the money.

"President Li, you're right. There are 23 people in the business department who could have done something like this. The person withdrawing money in the video looks very different from them. Maybe they're not the same person."

The person in the video is wearing a raincoat and a hat with the brim pulled down very low. Who can tell who it is?

President Meng had no chance to flatter Li Cheng, so he said this.

Li Cheng thought for a moment and asked again, "Who among these twenty-three people do you think would do such a thing?"

President Meng must have thought about this question countless times. He then answered: "They are not similar to any of them, but they are all similar."

Li Cheng glared at him and thought to himself, you know too little about your men.

Li Cheng wanted to handle this matter thoroughly and keep the number of people who knew about it to the smallest possible extent.

At this time, turning on the computer to check the transfer records is the best and most convenient way, but unfortunately, the popularization of computer management has been increased in the past two years, and the control of all settlement systems is in the hands of the municipal branch.

That is to say, after each teller completes his work for the day, the computer room located in the city branch will shut down the settlement system of this computer.

Doing this can prevent someone from taking advantage of the fact that no one is around after get off work and secretly turning on the computer to handle business.

In fact, this is done to prevent people from transferring money privately or stealing money.

For example, someone prepares an account in advance and opens this account in a bank far away.

If this person is determined, he can transfer money from other accounts to this account after get off work.

By the time you find out, his accomplices from other places may have already withdrawn the money and escaped.

Therefore, effective control of the settlement system is an important preventive measure.

In this way, audits can only be conducted during working days, but this does not meet the confidentiality requirements.

"President Meng, when you first discovered these five accounts with unusual activity, didn't you check which employee number was frequently transferring funds into them?"

President Meng wiped the sweat from his forehead and said, "I've seen it, but this person has tampered with it. The operator column shows only zeros."

"Continue to investigate backwards?"

President Meng wiped his sweat again and said, "President Li, you know, some branches don't have enough authority..."

Li Cheng knew that there were loopholes in the settlement system and preventive measures, and he also knew that in order to prevent accidents, many permissions were controlled on it.

President Meng was unable to investigate further because he knew that once he did, the matter would be untraceable.

Now, Li Cheng's method of searching for original evidence in the warehouse is the most reliable.

Although it is very laborious, at least more people won’t know about it.

Moreover, now that he has control over the five problematic accounts, Li Cheng can identify the traitor as long as he finds evidence of how to transfer money to one of these five accounts.

Of course, Li Cheng not only wants to identify the traitor, but also wants to know whether the person withdrawing money from the ATM is the traitor.

If it was just one person, Li Cheng could handle it internally depending on the size of the loss.

If outsiders are involved, Li Cheng can only hand them over to the relevant departments for handling.

This put Li Cheng in a difficult position. President Gao's case wasn't settled yet, and if he sent another person in at this point, what the hell would he become? Was he really going to become a professional ghost catcher?

But as my duty as the vice president in charge of security, I have to deal with these matters myself.

"President Meng, you said that the only person investigating with you was Director Sun, right?"

"Yes, yes, I don't trust anyone else, and I don't dare to recruit people from the sales department..."

"Okay, call him in. The three of us will stay up all night to find the traitor."

President Meng was stunned for a moment, then he understood what Li Cheng meant.

"President Li, just the three of us... I'm afraid it's not enough?"

Li Chengxin said that if he had known this would happen, he would not have let the two people he brought from the city branch during the day go back.

President Meng then said, "How about I call my wife over?"

"Your wife?"

"Oh, President Li may not know this, but my wife used to work here, but she retired five years ago and is now at home taking care of her grandchildren..."

Li Chengxin thought that it would be good to have one more person, as those bound account books needed to be checked one by one, and it would not be possible without enough manpower.

"Well, let her come."

Seeing that Li Cheng agreed, President Meng quickly picked up the phone on the table...

More than ten minutes later, President Meng, Director Sun, and President Meng's wife all stood in front of Li Cheng.

Li Cheng said to them, "What happened tonight is very important. You must swear not to tell anyone about it."

The three of them swore that they would never tell anyone what happened tonight, not even to their own parents.