After finishing his statement, Lu Zhicun left.
Of course, although Han Bin did not think that he was a suspect, he still had to send someone to verify his alibi.
The lower the level of a mistake, the more one should not make it.
Zhang Shungu handed over a document. "Captain Han, this is Lu Zhicun's statement."
Han Bin skimmed through it. "What do you think about his statement?"
Zhang Shungu said, "From the time I first came into contact with him to the time I gave him his statement, he has been behaving normally. I don't think there's anything wrong with him.
Qi Shanghai said, "I also think that his behavior is normal, and his alibi is relatively complete. However, there is one thing I don't understand. Why did the suspect steal his phone? What's his purpose?"
Han Bin thought for a moment. "If my guess is correct, the suspect stole his phone and used it to call the victim to trick the victim into opening the door of the victim's house?"
Qi Shanghai asked, "Then why did he have to use his phone? What's the special reason? "
Han Bin said, "Nowadays, technology is getting more and more advanced. When you answer a phone call, the phone will automatically recognize the number. If it's a familiar person, it will show the name. If it's a stranger, it will also show that the person is a stranger. If it's an advertisement, a sales promotion, a scam, or a delivery, some phones will also have a hint.
Lu Zhicun is a delivery man. If he uses his phone to make a call, the person who receives the call will be reminded of the identity of the delivery man. At this time, the victim will lower his guard and naturally open the door to pick up the delivery.
Once the door is opened, the suspect will control the victim as soon as possible. "
"The victim also has a dog at home. When the suspect controls the victim, what if he attacks him later?"
Han Bin laughed. "This problem is easy to explain. Dogs are naturally lively and are not suitable to be kept in buildings. Except for some particularly lazy or obedient dogs, other dogs will be very excited when they hear the sound of the door opening or see an outsider. They will even run out of the door when their owner is not paying attention.
I have a friend who also has a dog. His dog has this problem. If someone comes to the door or a delivery man comes, he will usually lock the dog in the bedroom and open the door after he picks up the delivery.
The suspect can take advantage of this time difference to subdue the victim first and then the dog. "
Zhang Shungu followed Han Bin's train of thought. "Captain Han, how did the suspect know that the victim would have a package? If there's no express delivery, won't he be exposed? "
Feng Na raised her hand. "I can answer this question. People who really like to shop online often buy things online. Either the delivery is on the way, or the delivery is on the way. As long as you don't give them enough time to react, they won't be able to tell if it's their delivery.
If I were the victim, I might have opened the door.
Of course, I'm not that easy to subdue. "
Han Bin agreed. "That's right. The victim liked to shop online, and the suspect catered to his hobby by sending him a package. It was exactly what he wanted. This also means that the murderer knows the victim very well. "
Qi Shanghai showed a look of admiration. "Amazing. As expected of Captain Han. Your explanation made the whole process of the crime clear."
Zhang Shungu continued, "Yes, Captain Han. You have to come to our team more often in the future so that we can improve our professional standards."
Feng Na echoed, "That's right, Captain Han. Whether or not we can improve our ability to solve cases depends on you."
In the face of the three's flattery, Han Bin didn't know whether to laugh or cry. "Okay, as long as you aren't afraid of me assigning tasks to you, I'll be happy to come more often."
"Look at what you're saying. You're assigning tasks to us because you trust us. We can't wait to do it." Qi Shanghai flattered again.
"I'll take it seriously." Han Bin said seriously, "We still need to check Lu Zhicun's alibi. I'll leave this task to you. Also, check if the victim, He Jun, likes to shop online. Is there a problem? "
"No."
"I promise to complete the task."
Han Bin glanced at his watch. It was already past seven o 'clock in the evening. "Okay, it's getting late. Let's get off work and come back early tomorrow to continue the investigation."
He was very considerate of his subordinates.
…
The next morning.
After Han Bin arrived at the Municipal Public Security Bureau, he went to the captain's office and told Ding Xifeng about his speculation yesterday.
Ding Xifeng frowned. "Hire a killer? Do you have any evidence? "
Han Bin said truthfully, "My previous speculation is based on my analysis. I don't have any evidence yet."
Ding Xifeng stood up and paced for a while. "According to your speculation, the reason why the killer left the Z symbol on the victim was to deliberately disguise himself as a serial killer. The purpose was to protect the employer behind him."
"Yes."
Ding Xifeng took out a pack of cigarettes and gave one to Han Bin. He lit one for himself and took a puff. "If it's really a hired killer, there must be an employer, and this employer should be someone familiar to the victim. Do you have any speculations about the employer's identity?"
"There are general speculations. It's nothing more than profit, love killing, or revenge killing. As for the specific suspect, I can't confirm it yet."
Ding Xifeng flicked the cigarette ash. "Since there's no evidence and we can't identify the suspect, don't disclose this speculation for the time being. You can investigate privately. You're the person directly in charge of the case, so it's very convenient for you to operate. "
"Got it." Han Bin nodded and continued, "Captain, I would also like to ask you if there are any similar cases of murder-for-hire in other areas. It's not just limited to the Z-shaped symbol, but it's very likely that there is more than one person behind this killer. There may be other forms of crime."
"I understand what you mean. I'll communicate with the provincial office. If it's really a hired killer case as you speculated, there must be a strict organization behind this killer. We must treat it with caution. "
"I'll be careful."
Ding Xifeng said, "If it's really a professional killer, they must have a certain anti-reconnaissance ability. It won't be easy to find their whereabouts. I suggest that we start from the employer's identity. The employer and the victim must have a deep bond. "
"I'll keep that in mind."
"Okay, you go first. When there's news from the provincial office, I'll let you know."
Han Bin responded and left the captain's office.
After returning to his office, Han Bin drew a tree diagram of the three cases on the whiteboard. Han Bin and Ding Xifeng had the same idea. He also felt that they should start from the employer's identity.
Han Bin listed the people who had emotional entanglements, hatred, and interests with the victim in the three cases. These were the key targets for investigation. These people must have a common channel to contact the killer. As long as they could find their contact channel, the case would be clear …
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