This news surprised Han Bin. There was still a big gap between a cousin and a biological sister.
"Ms. Hong, have you felt anything unusual around you recently?"
"Unusual?" Hong Xin frowned. "What do you mean?"
"For example, do you feel like you're being watched by a stranger?"
Hong Xin looked surprised. "Are you saying someone is following me?"
Han Bin comforted her. "Don't be nervous. I'm just giving an example."
Hong Xin swallowed. "Li Yuan is dead, and so is Jiang Han. Does that mean that another child and I might have been killed?"
"Your situation is obviously different from Li Yuan and Jiang Han's. I'm just saying this to remind you, just in case."
"Then … then what should I do? What should I do?"
"Don't go to places with few people, don't go to unfamiliar places, and don't go home too late. Try not to give the suspect a chance to commit the crime," Han Bin said.
Hong Xin wiped the sweat off her forehead. "Officer Han, after hearing what you said, I'm even more uncertain."
"Well, if you need, we can send officers to protect you in secret," Han Bin said.
"How will they protect me? Follow me?"
"You don't have to worry about that. Just live a normal life like before."
Hong Xin took a deep breath. "Then can I know who will protect me? If anything happens, how will I contact you?"
Han Bin turned his head and glanced at Li Qin.
Li Qin understood and said, "Ms. Hong, this is my business card. If anything happens in the future, you can contact me directly."
"Okay, this will make me feel more secure." Hong Xin took the business card and put it in her yellow backpack.
"Ms. Hong, you can go back to work first. My people will contact you before you get off work."
"There won't be any danger during the day, right?"
"Remember what I said just now. There won't be any problems," Han Bin said.
Judging from the suspect's modus operandi, he did not kill people in public. As long as she followed Han Bin's instructions and did not go to places with few people, Hong Xin would not be in any danger.
After Hong Xin left, Han Bin had a small meeting with Li Qin and Bao Xing. He left the two of them in the city to protect Hong Xin and verify her alibi. If necessary, they could seek assistance from the local police station.
After assigning tasks, Han Bin went to the captain's office to report to Ding Xifeng.
At 11: 30 in the morning, Han Bin ate a pot of rice nearby and drove from the Water Conservancy Bureau to Gaocheng at 12: 00.
There were more cars at noon. Not only did it take a long time to cross the traffic lights, but it also couldn't speed up. At about 12: 53 pm, he arrived at the Family Building of Ding Ding Primary School. It took Han Bin 53 minutes to get there. Assuming that it took the same time to get back to the Water Conservancy Bureau before 2 pm, it would take him less than a quarter of an hour to commit the crime.
Hong Xin had to trick the door open within a quarter of an hour, knock out the victim, drag the victim into the bedroom, tie him up, open the gas valve, and then leave the neighborhood calmly.
Based on Han Bin's experience, it was almost impossible.
Thinking and doing were two completely different things. When committing a crime, one would definitely encounter some unimaginable things.
A few minutes later, Han Bin drove to the Public Security Bureau of Gaocheng.
He saw Ma Jingbo and the others in the Criminal Investigation Division's conference room.
Ma Jingbo had two dark circles under his eyes. He was holding a teacup in his hand and looked a little haggard.
The Han Family first reported the situation in the city to Ma Jingbo.
Then, Ma Jingbo briefly described the situation in Gaocheng City.
After Han Bin left with his men, the police in Gaocheng launched an investigation into Chen Shaohuan and Cai Jing overnight.
The police first contacted Chen Shaohuan and learned that she was not in Gaocheng but had returned to her in-laws' house with her husband. The Gaocheng police had already summoned her verbally. She promised to come to the police station to make a statement as soon as possible, but she did not show up in the morning. The people from the Criminal Investigation Division of Gaocheng were still contacting her.
As for Cai Jing, the police did not find her whereabouts. She did not have a mobile phone, so Chen Shaohuan and Chen Baifeng did not know where she was. Her relatives had not contacted her for a long time, so it was more difficult to investigate.
The technical team's DNA test results were out. The DNA similarity between the deceased and Jiang Kunshan was as high as 99.98%. Jiang Kunshan only had one son, so they could confirm that the deceased was Jiang Huawen.
"Creak …" Li Cunrong walked into the office in a hurry.
"Captain Ma, Brother Han is back."
"Look at you. Did you find a new clue?" Han Bin asked with a smile.
"Good guess." Li Cunrong smiled and pulled a chair to sit down. "I just received a piece of news. The resident of the Anding Elementary School Family Building provided a clue."
"The person who provided the clue is called Zhang Boyong. He lives above Jiang Huawen's house. According to him, when he went downstairs at around three o 'clock yesterday afternoon, he saw a strange man in the corridor on the first floor. He didn't pay much attention at the time, but now that I think about it, the man is a little suspicious."
Ma Jingbo asked, "What does the man look like?"
"Zhang Boyong said that the man was wearing a cap and a mask. It's not uncommon to wear a mask these days, so he didn't pay much attention to it. He couldn't tell what the man looked like, but his general impression was that he was of average height and carried a black bag."
Wang Xiao took out a cigarette from the pack. "According to our previous judgment, the suspect is likely to be a woman. Could it be a gang crime?"
Jiang Yang said, "The key is that there are too few clues. With just the cap and the black bag, I'm afraid it won't be easy to find the suspect."
Ma Jingbo knocked on the table. "The old way, check the surveillance."
Li Cunrong nodded. "I'll arrange it now."
Then, Li Cunrong left the conference room.
Ma Jingbo handed Han Bin a cigarette. "What do you think of this clue?"
Han Bin pinched the cigarette and knocked on the table. "From the current clues, the suspects are all women, but I don't think we can rule out the possibility of a man committing the crime."
"The deceased's body was found in the bedroom. If it's an acquaintance who committed the crime, it makes sense. If it's a stranger who committed the crime, it's likely that the victim was electrocuted the moment he opened the door. In this case, the victim should have fallen at the door, not in the bedroom. "
"The deceased is an adult male, weighing about 160 pounds. It's not easy for a female suspect to drag him. From this point of view, the possibility of a man committing the crime is higher," Han Bin analyzed.
"Creak …" The door of the conference room opened again, and Li Cunrong strode in.
Seeing that he was in a hurry, Ma Jingbo frowned. "What's wrong?"
"Chen Baifeng came to the police station to turn himself in and admit that he killed Jiang Huawen."
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