He raised his bracelet, played a catchy tune, and began to sway gently to the music.

The helicopter began to slowly ascend.

At that moment, Ghana staggered over, placed his hand on the hood of the silver-gray sedan, and reached up to the sky, "Boss, boss."

The man in the gray suit hanging on the rope ladder seemed to hear Ghana's shouts. He turned his head to look at Ghana, then pulled out a small gray pistol from his pocket.

boom--

The bullet pierced through the arm that Ghana was pressing against the hood of the car in an instant, and bright red blood splattered out in a flash.

"Ah!!!" "Murder!!!"

The people who had peeked out to watch the commotion suddenly screamed and pulled their heads back into the car.

Ghana clutched his hand in pain, kneeling on the ground, blood gushing out like a gushing spring from between his fingers.

The younger brother rushed over and bandaged his wound.

The driver, who witnessed all of this, slowly took out a white handkerchief and carefully wiped away the blood that had just splattered on the hood.

Then he walked up to Ghana, knelt down, turned the handkerchief stained with Ghana's blood inside out, wrapped the clean side around his hand, and gently patted Ghana's cheek.

"You can't touch anything the boss hasn't given permission to, understand?"

"Understood,"

Ghana forced a smile, suppressing his pain, and nodded gently.

"Huh? What did you say?"

The driver frowned and turned his head away. "I can't hear you very well."

Ghana clenched his fist, then slowly released it, his face contorted into a pained yet obsequious expression, like the wrinkles of a steamed bun. "I understand, I understand."

The driver chuckled, tossed the handkerchief on the ground, and slowly stood up.

Behind him, the figure of the man in the gray suit hanging on the rope ladder disappeared into the night.

-

He Ao walked past the drowsy security guard in the guard booth and reached the turnstile.

He reached out and pressed the card in his hand onto the sensor of the gate.

hum-

A soft click came from the turnstile, and the security guard, who had been dozing off, instantly woke up and turned to look at He Ao.

Meanwhile, He Ao was staring at the closed automatic gate and the red light.

After a brief pause, the red "No Entry" light turned into a green "Pass" light.

The automatic gate of the turnstile slowly opened.

The security guard at the guard booth yawned and looked away.

He Ao retrieved the card and passed through the automatic door.

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Chapter 170 Clever Yet Weak (Please Subscribe, Add to Favorites, and Vote for Monthly Tickets)

After passing through the turnstile, He Ao glanced at the card in his hand.

The card depicted a thin, middle-aged man who bore a five- or six-point resemblance to Joey. There were also some dried bloodstains on the card that had not been removed.

This is Joey's father's work card.

The opening principle of these factory-customized work cards is that the chip inside each work card has a code that corresponds to the worker's employee number.

When the work badge is first produced, a special authorization machine will authorize the work badge. Only authorized work badges can be used to open access control gates. The longest validity period of this authorization is one month.

The turnstile itself is both an authorization machine and a verification machine.

Whenever the authorization expires, the gate will read the work badge code and upload the data to the cloud database, comparing it with the worker information in the database.

Once it is confirmed that the worker is still employed, the turnstile will re-authorize the work badge for a short period.

Generally, the time for such reauthorization is set at a fixed time in a certain month, usually between the 5th and the 7th. The factory's scheduling system will schedule everyone to work a shift during these three days so that the turnstile can reauthorize the work badges.

Therefore, this access control system has a loophole: after a factory worker leaves, his work card remains valid for a short period of time, meaning that he can still swipe the card to open the access control system until the authorization of his work card expires.

Therefore, factories usually require departing workers to return their work badges. After the returned work badges are reset with new codes and reprinted images, they can be used by new employees.

However, no one would ask the deceased worker in a factory accident to return their work badge.

When Joey came to the factory to receive his parents' bodies, the staff returned the broken bodies to him without any inspection.

Joey found his father's work badge inside the work clothes pasted on his father's body. In fact, he also found his mother's work badge, but that badge had been smashed to pieces.

After finding the work badges, Joey recalled what he knew about them from an encyclopedia he had once read in the library.

He immediately returned to the library, found the encyclopedia again, and confirmed that the access control system of the Anvis Machinery Factory was indeed the same type of access control system described in the encyclopedia.

After understanding the system's vulnerabilities, he already had a plan in mind.

Although Joey's parents had an accident before the 5th, such deaths are relatively rare, so the personnel handling the case are not very experienced.

Therefore, Joey guessed that it might be several days after the parents' deaths before the factory administrators remembered to delete the parents' personal information from the database.

So when he came to the factory to protest on the 5th of last month, he secretly swiped his father's work badge on the turnstile. As he expected, his father's information was not deleted from the database, so he obtained a new short-term authorization.

His actions were extremely secretive; the vast majority of people, including many senior managers in the factory, had no idea how these turnstiles worked or how they operated.

Because of the vulnerability, no one took precautions against him.

Today is the 3rd, and the temporary authorization I received last time will not expire until the 7th.

Of course, besides this type of gate that is authorized only once a month and has vulnerabilities, are there any gates on the market that can calculate and verify employee information in real time?

Yes, but it costs extra.

Not only do you have to pay extra for the equipment, but you also have to pay extra for the continuous purchase of data traffic.

Dawn City has advanced technology, but the factories are unwilling to spend a single penny more than necessary.

He Ao sighed softly and walked deeper into the factory.

Joey wasn't stupid; in fact, he was quite intelligent. He was just too weak.

After entering the factory, Heo followed Joey's memories and walked step by step toward Zone I.

Only by actually seeing the robotic arm, understanding the specific situation, and conducting further investigations can He Ao know the true cause of the accident.

Joey had tried several times to enter Area I or even the factory to investigate, but he was stopped by various people who were watching him.

The security level at the Anvis Machinery Factory appears to be very high.

That's why Heo devised a plan today to lure all those intelligence agents away, making it easier for him to enter the factory for investigation. This plan was arranged before meeting Jack, and the person with a similar build was someone he asked Christos to find.

After meeting Jack, Heo became even more determined to infiltrate the factory to investigate.

Of course, he went to pick up Jack's blank card for two reasons.

The first purpose was to subtly influence the intelligence personnel observing him.

By leading these intelligence officers to believe that he would use Jack's card to bypass the access control, they would remain in a less tense state until the actual alarm was triggered, assuming that Heo had not yet entered the factory, thus giving Heo's investigation a layer of disguise.

The second reason was to send a message to Jack.

At the time, he was standing with his back to the informant who was closely following him, so the informant couldn't see his facial expression.

-

bang bang bang-

"Open the door."

A loud knocking sound came from outside the house, and the old door creaked as it was pounded by the force of the bull.

"Open the door quickly, the charity is delivering flour."

The knocking continued for a while, and the voice outside became increasingly irritated.

The knocking stopped abruptly, and the entire space fell into a brief silence.

However, this silence was soon broken by a loud bang.

The old door was forced open by the person outside.

Almost instantly, several burly men carrying guns rushed in, crowding into the narrow doorway and quickly moving forward.

They searched around, checking the bathroom, kitchen, living room, and bedroom in turn.

"Shit, it got away."

One of the burly men looked at the messy bedroom and cursed.

"Keep looking."

The burly man at the front waved and continued his inspection in the living room.

His gaze eventually settled on a home security camera, which emitted a faint blue light and appeared to be running.

Then he shot and destroyed the camera.

······

The surveillance video flickered, indicating that the network had been disconnected.

Jack exited the monitoring software, turned off the bracelet, and raised his head.

He looked up at his daughter sitting beside him and gently patted her head.

They were sitting in a spacious, brightly lit hall.

"What happened?"

A simply dressed, voluptuous woman ran over from a distance, panting as she looked at Jack.

"They suddenly asked me to resign and move to another city. Do you know how hard it was for me to find this job? The working environment is good, the pay is good, and apart from a lecherous chef, it's almost a perfect job."

Jack looked at his wife's reproachful expression, smiled gently, stood up, and hugged her. "Elsa, we're free."

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