Following Guan Feng's instructions, Shang Wanting sat down on the living room sofa to rest, accompanied by Huang Lili.

Although Guan Feng comforted her and she witnessed his amazing abilities, the anxiety in her heart could not be changed in just a few words.

She looked anxiously toward the monitoring room and asked, "Officer Huang, may I ask, is there any special significance to Captain Guan going to check on Qian Hao's mental state? Isn't it already confirmed that Qian Hao is involved in the case?"

Huang Lili explained, "By determining Qian Hao's mental state, we can find out exactly when Qian Hao behaved abnormally and who he had contact with during that period."

"These are all very helpful for the investigation, Chairman Shang. Please rest assured that Captain Guan's actions will not waste time. On the contrary, they will help to make a more efficient judgment on the case. Leave the professional matters to the professionals. Chairman Shang, please don't worry."

Shang Wanting nodded and said, "I'm sorry! I was really confused in my haste."

Huang Lili said, "We understand this situation. Okay, let's review the script we just practiced together."

Shang Wanting said, "Okay."

......

On the other side.

Guan Feng arrived at the monitoring room.

He sat down and began to quietly sort through the images of Qian Hao during this period.

He already knew Qian Hao, and using facial recognition technology, he could easily retrieve images of Qian Hao appearing at the front and back doors and in the courtyard.

He zoomed in on these facial details, and Qian Hao's body language and expressions were clearly displayed before him.

Guan Feng scrutinized these details one by one.

The surveillance began a month ago. At this point, Qian Hao showed no unusual emotions. On the contrary, he would occasionally chat and laugh with his colleagues, looking more like a cheerful middle-aged driver.

However, this situation began to change two weeks ago. The middle-aged man's face has been devoid of smiles. His brows are always involuntarily furrowed, and he no longer smiles when talking to his colleagues. He rarely communicates with his colleagues and is always busy by himself with his lips slightly pursed. This is usually a natural reaction under pressure.

Guan Feng also noticed a detail: when Qian Hao was the driver, he would always open the car door, bow and greet the chairman or anyone else he was driving, and would even say a few words.

But now all he did was open the car door and bow, without saying anything more. This made Guan Feng vaguely guess: if Qian Hao's account was true, and his child really did have a serious illness, then the time was probably two weeks ago, when he was on the verge of collapse.

He immediately dialed Gao Dacheng's number and asked, "Dacheng, are you investigating?"

Gao Dacheng replied, "Captain, I'm investigating right now. The household registration department has retrieved all of Qian Hao's information and is preparing for further on-site investigation. Captain, is there anything I can help you with?"

Guan Feng said, "Well done! After you retrieve the household registration information, prioritize checking one thing: Qian Hao's child's illness. When was the diagnosis made? You can find that out by retrieving the hospital's medical records, right?"

Gao Dacheng said, "Okay! I'll prioritize checking this."

Guan Feng nodded and hung up the phone.

At this moment.

Zheng Yuandong called and asked, "Captain Guan, we're on our way to your location. Which villa exactly?"

Guan Feng said, "I'll send you my location directly. How long will it take to arrive?"

Zheng Yuandong said, "We're already in the city, about ten more minutes."

Guan Feng said, "Great! We're short-handed right now, thank you Captain Zheng for your timely support."

Zheng Yuandong said, "Why are we being so polite? Okay, I won't disturb your investigation. We'll talk when we get there."

Guan Feng nodded and hung up the phone.

Next.

He continued to investigate relevant information while closely observing Qian Hao's changes in demeanor. For nearly two weeks, the other party had maintained a relatively calm state, but Guan Feng could sense the undercurrent of grief and sorrow beneath that calm.

He waited for the moment the other party would detonate it.

Unexpectedly, this undercurrent was not ignited; in fact, it underwent a strange change.

Just three days ago, Qian Hao's expression suddenly changed. His previously hunched posture suddenly became upright and his face became radiant, as if some happy event had occurred.

He no longer drives in a low voice as before, and even occasionally says a few words.

This unexpected change immediately convinced Guan Feng, a master of micro-expression analysis, that the other party must have some good news.

Guan Feng recorded the relevant time points and then continued playing the surveillance footage until yesterday afternoon.

Yesterday afternoon at 6 PM, Qian Hao appeared on the surveillance footage, walking alone towards the perimeter of the villa. He disappeared after that, remaining completely out of sight, and did not reappear that evening.

Having read this far, Guan Feng was able to identify several key time points.

He carefully reviewed and recorded everything before leaving the monitoring room.

When Huang Lili saw Guan Feng come out, she immediately asked, "Captain, how did it go? Did you find any clues?"

Guan Feng nodded and said, "The current results basically prove that Qian Hao was involved in the case. However, according to the surveillance footage, he did not have any extra contact with anyone. In other words, it is highly likely that Qian Hao was the one who colluded with someone from the inside. This result is the best we can hope for."

Shang Wanting couldn't help but breathe a sigh of relief and said, "That's good! That's good!"

Guan Feng cautioned, "However, we cannot let our guard down. Everyone in the villa must obtain permission from the police to enter or leave, or to contact the outside world."

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