Guan Feng continued to ask questions.
Zhao Dong and the others stared at each other in disbelief.
After Guan Feng finished asking his question, Zhao Dong and the others all looked over.
Guan Feng briefly explained the question he had just asked and the other party's answer.
Zhao Dong frowned and asked, "So that means that from the time he finished showering until nine o'clock in the morning, no one actually knew his actual situation?"
Guan Feng nodded and said, "That's how it is according to Yoshino Yuutake's account. Captain, do you have any test results from the forensic department?"
Zhao Dong shook his head and said, "They haven't come out yet."
As they were talking.
Zhao Dong's phone rang.
He answered the call, but after only a few words, his expression changed, and he frowned, asking, "Are you sure?"
The other party seemed to give an affirmative answer.
Zhao Dong's expression changed again, and he nodded, saying, "I understand!"
After hanging up the phone, he said to Guan Feng and the others in a serious tone, "That was a call from the forensic department. The cause of Yoshino Masazo's death has been found. There was a tiny needle mark on his neck, and an excessive amount of potassium cyanide was found in his body. The preliminary judgment is that he died from potassium cyanide poisoning."
Wang Bin asked in surprise, "Potassium cyanide? This stuff is not something that ordinary people can get their hands on."
Zhao Dong nodded and said, "Not only is it impossible to obtain, but it is also strictly controlled. The situation is now very clear: Yoshino Masazo died from an overdose of poison. This case is being treated as a homicide."
"Given the special nature of the case, and the special status of Yoshino Masazo, the case must be solved within 48 hours!"
"receive!"
"receive!"
Everyone nodded.
Guan Feng then recalled what Wang Bin had just said: Yoshino Masazo was among the first to invest in China thirty years ago and has always pursued a friendly policy, wielding significant influence in Hua'an and even Jiangnan Province.
He said, "Team leader, I saw a security camera at the entrance. Potassium cyanide takes effect very quickly. Let's first determine how the other party got in."
Zhao Dong said, "Okay! Xiao Guan, you and I will check the surveillance footage. Wang Bin, you're in charge of checking the company's contacts. Chaoyang..."
Everyone performed their duties.
Guan Feng followed Zhao Dong to the monitoring hall on the first floor.
Upon seeing Guan Feng in his uniform, the two security guards quickly stepped aside and asked, "Do you need to access the surveillance footage?"
Guan Feng nodded and asked, "Which cameras are on the elevator and hallway surveillance cameras on the 16th floor?"
The security guard on the right said, "These two."
Guan Feng nodded, sat down, and began to retrieve the surveillance footage.
According to Yoshino Yuutake, the time was adjusted to 8:30, and the playback was started at double speed. First, it was played at 4x speed to get used to it, and then it was switched to 16x speed for fast viewing.
Zhao Dong, who was standing next to him, asked in surprise, "Xiao Guan, can you see this clearly?"
Guan Feng nodded and said, "It's not a big problem."
Zhao Dong frowned, looking at the snowflake-like surveillance footage, unsure whether to believe it or not. However, he had a very good impression of Xiao Guan, so he didn't interrupt easily and instead stood aside to wait.
Two minutes later.
Guan Feng pressed the Enter key with his right hand.
A figure suddenly appeared in the picture.
Zhao Dong looked at the figure in surprise and said, "Yoshino Masazo?"
Guan Feng nodded and said, "Yoshino Masazo walked out of the elevator at 8:53 last night. The hallway surveillance footage shows that he entered the room at 8:54. Apart from his slightly unsteady gait while drinking, there was nothing else unusual about him."
"Considering the timing of potassium cyanide's effects, the possibility of being injected with potassium cyanide before entering the room can be ruled out."
Zhao Dong nodded and said, "Well done, Xiao Guan. When did your eyesight become so sharp? You found the suspect right away even at 16x speed. I've never heard you mention this before."
Guan Feng said, "When I was in southern Yunnan, the mountains were high and the roads were long, so I liked to look into the distance. I also took lutein and other supplements regularly, so my eyesight has always been good. But how should I put it, genetics plays a bigger role. My mother has good eyesight; her uncorrected visual acuity is 5.3."
Zhao Dong nodded and said, "Now that you mention it, I do remember. Back then, your dad and I went to the woods to steal birds. We didn't see them, but your mom did."
Guan Feng laughed and said, "They didn't prohibit it back then, but now they'd be arrested."
Zhao Dong laughed heartily, patted Guan Feng on the shoulder, and said with emotion, "Seeing you reminds me of Li Dong. Little Guan, keep up the good work and do your best!"
Guan Feng said, "Thank you for your encouragement and guidance, Captain."
Zhao Dong waved his hand and said, "It's still your own hard work, it has little to do with me. Several bureau chiefs have had a good influence on you. Also, be prepared for the transfer to the Major Crimes Unit."
"It's been two months since I was transferred to Hua'an, and now it's been three months, and no one has complained."
"It just so happens that an old comrade from the Major Crimes Unit is about to retire. After you come here, you will serve as the deputy captain for now, in charge of the unit's duties. Once the adaptation period is over, you will be promoted to the full captain position immediately."
Guan Feng said, "Thank you, Captain."
Zhao Dong waved his hand and said, "When no one is around, just call me Uncle Zhao."
Guan Feng nodded: "Okay, then Uncle Zhao, I'll continue watching."
They continued watching the video until midnight, but no one was seen entering Yoshino Masazo's room. After midnight, no one was seen walking by in the video, even though the surveillance footage was equipped with human figure recognition capabilities.
The scene is automatically skipped.
Guan Feng continued watching until six o'clock in the morning.
Seven o'clock in the morning.
A person walked into the room.
Guan Feng pressed the pause button and pointed at the man, saying, "Team leader, there's a person here who entered the room at 7:03 this morning. Did the autopsy report mention Yoshino Masazo's murder?"
Zhao Dong frowned and said, "The forensic department said the time of death was around 7:10."
Guan Feng immediately frowned and said, "Then this person is a suspect!"
He zoomed in on the details of the image, then took out a player, plugged in the data cable, and copied the relevant video into it. At the same time, he said, "Captain, judging from the surveillance footage, this woman is about 1.63 meters tall and weighs no more than 100 kilograms. Her age is not very clear, but since she was able to get in, Yoshino Yuutake must know."
Zhao Dong said, "Let's list her as a suspect first!"
Guan Feng nodded and continued playing.
Apart from 7:30 in the morning when Yoshino Yuutake and the woman left the room, no one else entered or left the room.
Guan Feng said, "Squad leader, it's just the two of them."
Zhao Dong immediately said, "Let's go ask Yoshino Yuutake who this woman is!"
Guan Feng nodded.
The two returned to the 16th floor.
Guan Feng asked in Japanese, "Yoshino Yuutake, I just asked you, and you said no one had entered or left. I'm giving you one last chance. From nine o'clock last night to this morning, has anyone entered or left this room?"
Yoshino Yuutake's eyes darted around, and he shook his head, saying, "N-no!"
Guan Feng pointed to the recorder and said, "This is a recorder used to record our conversation. I need to remind you again that perjury is a legal offense. If you still don't confess, then come with us to the station."
It was visibly clear that Yoshino Yuutake's expression had changed.
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