The forr director's son-in-law had infiltrated for three months, incredibly digging a tunnel and planting a large amount of explosives. This person was no simple character. Luo Zheng inquired and Lan Xue replied with a bitter smile, "We've checked. This guy was clueless. The Intelligence Team used all kinds of interrogation thods, even death-threatening ones, but to no avail. That jerk is greedy, with a pile of debts outside, probably trapped by soone promising him a large sum of money, thus he agreed to take on the task. He's just a small fry being exploited."
"Such small fries can be very harmful," Luo Zheng said, annoyed.
"Indeed, traitors have always been the most detestable since ancient tis. The most fortified strongholds crumble from within. People like him are highly elusive and difficult to detect, posing even greater dangers," Lan Xue also remarked with emotion.
The two chatted idly for a while, and Luo Zheng learned that the Ard Police force, considering the insufficient manpower at the security departnt, temporarily reassigned fifty personnel to stand by, significantly strengthening the defense. Luo Zheng estimated that with an addition, the security departnt's staff had increased to eighty, split into two shifts of forty each, with three defensive lines sharing the burden, each line manned by over a dozen personnel. He then called Zheng Duo and instructed him to allocate the forces according to the original defensive layout, doubling the number of personnel at each station, with the remainder hiding in the top five floors of the office building, acting as covert sentries to enhance aerial surveillance.
Lan Xue made no objections to these arrangents. Watching Luo Zheng grow step by step, and with a high aptitude for practical and ingenious ideas, she was inwardly delighted. After chatting for a while, Song Yun suddenly ca over, glanced at Lan Xue, and looked anxiously at Luo Zheng, saying, "I had soone check; Mrs. Huang didn't go back to her hotown."
"Oh?" Luo Zheng knew Mrs. Huang was a servant of the Song family and the primary suspect in the theft of the system source code. Her disappearance now raised further suspicions. Lan Xue, already aware of the truth, pondered for a mont before saying, "There are two possibilities: one is that Mrs. Huang was silenced, and the other is that this woman isn't the real Mrs. Huang but soone impersonating her."
"What?" Although Song Yun was very intelligent, known as the "Wise Beauty" of Beijing, she was unfamiliar with special operations and espionage. Startled by Lan Xue's reminder, her face paled, and after a mont's thought, she said, "I have the police intensifying the search. Whatever the case, I am responsible for this. Tell , how should I be dealt with?"
"It's too early to discuss this," Lan Xue said calmly, without any intention of taking the opportunity to chastise Song Yun. After a mont's reflection, seeing Luo Zheng about to speak, Lan Xue threw him a glance and preempted, "There's one thing I need to confirm. Does the computer you used for the leakage contain any information on research progress or similar data?"
Luo Zheng was startled and then realized he had overlooked this very crucial detail. The potential enemy's target was the research results, and stealing the source code was also to monitor the status of the research efforts. Thinking of the insider, his expression turned solemn as he looked at Song Yun.
Song Yun, uninford, thought carefully and then shook her head confidently, "No, definitely not. I complete all work-related tasks here and it's forbidden to take anything away—that's the discipline. The security system source code was done by alone. Due to the tight deadline, I only took it ho to work overti after getting approval from the Institute. I am certain of this." She said, looking at Luo Zheng, hoping he would trust her. As for Lan Xue's opinion, Song Yun did not care.
"I believe you," Lan Xue said, surprisingly to Song Yun, who looked baffled. Lan Xue continued calmly, "Our issues are personal; I still respect your character. You face up to your actions, and besides, you are too proud to lie. Now, we need to discuss work. Please step aside for a mont."
Song Yun looked at Lan Xue in surprise, not seeming to lie; her expression softened significantly. "We have been rivals since childhood; we know each other very well. Regardless, I must say thank you for your trust," she said and then turned to walk away, leaving a graceful silhouette behind.
"Do you rember the impostor you ntioned during the interrogation?" As soon as Song Yun left, Lan Xue quickly lowered her voice, "The enemy can only decrypt the security here by stealing the source code but doesn't know the progress of the research. That ans there might still be a mole among us, otherwise, we couldn't set a specific ti to detonate the explosives."
"Makes sense, it seems we still have to search for the mole. How are your injuries?" Luo Zheng asked.
"It's not serious. Ghost Hand and Mountain Eagle are also fine. We discovered the explosives, intended to secretly take them away, but the ninjas launched an attack that night. I'm afraid this has been leaked. The Japanese might know the explosives have been moved and could launch a crazed attack. What are your thoughts?" Lan Xue asked.
"Do you know if the Military Research Institute can arrange so ti off?" Luo Zheng asked.
"No, I've asked Elder Lin, and he said the Military Research Institute isn't just working on our project, they are rushing other projects as well. Halting work would be an unbearable loss," Lan Xue said helplessly.
"The Military Research Institute has nearly a hundred people coming and going for work, including family and friends visiting, which makes the situation very complicated. It's easy for soone to infiltrate during the day. It seems we can only increase our inspections temporarily," Luo Zheng said helplessly.
"Yes, that's already arranged. The new Ard Police brought several well-trained dogs. It's impossible for anyone entering to carry explosives past them unnoticed. All visitors must be greeted and rigorously logged by soone from the Military Research Institute before they're allowed in," Lan Xue explained.
"The enemy has only three thods: poison, assassination, and cyber theft. Now that we've replaced the security system and have your sister on guard, we're covered there. Next, we need to prevent poisoning and assassination. Food, water supply, deliveries, long-range sniping, aerial attacks, and more—there are too many thods to fully guard against," Luo Zheng analyzed, annoyed. Seeing Lan Xue nod in agreent, he continued, "So, you stay in the underground bunker, I'll stay in the surveillance room, Snow Leopard will blend in around the area to scrutinize suspicious individuals, Ghost Hand will stay to assist inside, and Mountain Eagle will take position on the roof of the office building. It's the highest point in the Military Research Institute, commanding a good view. He is the Sniper, that seems suitable. What do you think?"
Lan Xue thought about it and said, "That should work. You be careful too. Also, I've discussed it with Elder Lin. Given the gravity of the situation, all project researchers will work overti collectively. During this period, they will eat and live in the underground, minimizing exposure and reducing risks. Elder Lin has agreed."
"That's great. That way, we only need to be concerned about the poisoning issue. There aren't many ways to administer poison here: food, water supply, ventilation ducts, and so on. The first two require human intervention, and installing infrared detectors and motion sensors in ventilation ducts makes it not easy for anyone to infiltrate," Luo Zheng said, relieved, and suggested.
"I've already made arrangents for both, but human factors in food and water supply are too strong and hard to control. You need to be especially careful outside," Lan Xue cautioned.
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