Facing Jiang Jianzhou, Chu Yu didn't go into detail about the investigation content, but went straight to the point and asked the other party to cooperate unconsciously: "Have you received fraudulent calls and text messages recently?"

Jiang Jianzhou thought about it for a while: "No, I usually see a lot of police propaganda, and some teach how to distinguish fraud. I have learned a lot, and I can see it when I actually encounter it."

Chu Yu nodded, "Have you received any text messages from any merchants? For example, a certain promotional event, followed by a link for you to fill in your personal information or other content?"

"It seems to be there. It's from a supermarket. Let me fill out a questionnaire."

Chu Yu smiled and said, "Can we check your phone?"

Jiang Jianzhou took out his mobile phone, it was a smart phone, he deliberately dug out the text message, hesitated for a moment, and didn't give it to them immediately: "Do you only need to check the text message?"

Muyu is not as approachable as Chu Yu, not to mention a professional smirk, not even a professional tone: "Don't worry, it won't involve privacy, just check whether your memory device is safe."

"How to check? Do I need to pull out the card?"

Muyu took the phone directly, lowered his head and began to fiddle with it, "How many years have you used this phone?"

"It's been almost three years, and it was given to me by my son for his birthday."

"What are they all used for?"

"I just play music occasionally and listen to the news. I don't know how to use it very much. I mainly use it like an old-fashioned mobile phone to call and send text messages with my family."

The old man sat next to Muyu, wanting to stare at her for inspection, Chu Yu continued to ask, diverting his attention: "Has anyone come to sell recently?"

"No, they generally cannot enter the unit building."

Chu Yu nodded, "Okay, please take out the bank card, we need to check it."

"Bank card?" Jiang Jianzhou was a little confused, "What exactly do you want to check?"

"See if you have lost your bank card."

Jiang Jianzhou hesitated for a moment, and went into the bedroom. While he was away, Chu Yu glanced around the room. The interior decoration was exquisite, and he could tell that the family was wealthy. The dining table was made of marble. There was a thermos teapot and a teacup on the table. There are snacks on the TV cabinet and balcony, and there is an armchair by the window for viewing the scenery.

After searching inside for a while, the old man took out the cards. There were five cards in total, which belonged to different banks, including the commemorative card. Chu Yu took it, mainly to confirm whether his family had the same card as Xia Yihan.

"Are all your cards here?"

Jiang Jianzhou was a little lost in thought, and after a while he replied: "Yes, it's all here."

The cards are placed in a row, even more like showing off their wealth.Every card is "wealthy".

Chu Yu took out the information given by the bank, made a gesture of comparison, and asked, "Have you ever lost your bank card?"

The old man frowned, denied it immediately, but nodded quickly: "Oh, yes, yes, there is one, it seems to be from ICBC, it was lost not long ago, but it was found again later."

Chu Yu, "In case of loss in the future, it is best to report the loss. If it falls outside and is picked up by others, all the money in your card may be transferred away."

The old man agreed, and after a while, his expression became tense: "Officer, all the money in my card has been swiped, right?"

"No, now it's mainly about prevention. We received a report yesterday that there are suspected criminals in this block, targeting elderly people living alone. They pretended to be salesmen, tricked the elderly into scanning codes, stole personal information, took away personal deposits, and returned Those who promote health care products need to pay with a bank card, but the card information will be copied. At present, we are still collecting information and statistical data.”

It just so happened that a similar case happened in this block, and Chu Yu applied it, "selling dog meat under sheep's clothing".

Jiang Jianzhou: "Oh, I haven't encountered any of these, but I have heard of them recently. It seems that there are quite a few old people who have been deceived."

After Muyu checked, he returned the phone to him.

Chu Yu: "Yes, but it's good that you didn't meet them, but if you find suspicious people in the future, please contact us."

Jiang Jianzhou took the mobile phone and nodded with a smile. He looked approachable, but Chu Yu could feel that he was still a little nervous.

After the questioning was almost finished, the two of them got up and left. Jiang Jianzhou sent him to the door with a smile on his face: "The two police officers have worked hard. In this winter, they went door-to-door to find out the situation."

Chu Yu also said politely: "Thank you for your cooperation, you are at home alone, you should pay more attention to safety!"

After the other party closed the door, Chu Yu and Mu Yu looked at each other without saying a word, and quickly left the unit building, met Song Qingyang at the door, and the three of them walked out of the community.

Song Qingyang cared about the two of them: "How is it? Have you met a strange grandpa?"

The wind was a little strong, Chu Yu buried his head slightly, his chin nestled in the sweater collar, "Fortunately, he looks quite normal."

It was inconvenient to talk about the case outside, so the three of them held back all the way, and finally returned to Superman.

Fang Datuo was busy working on the fifth floor, and when he saw movement on the second floor, he rushed down. He wanted to see their expressions and guess the result, but found that it didn't work at all—Muyu always had an expressionless face, and Chu Yuxi couldn't do it. Song Qingyang was so heartless, it felt like the three of them had gone out for a walk and came back for dinner.

"Sisters, have you found anything?"

Muyu glanced at him: "Some sisters, Grandpa Jiang's mobile phone has a Trojan horse program, the APP has not been downloaded, the memory is basically full, and the text messages and call records of the past three years are all there, have not been deleted, there is a suspicious link, The time was March this year, and I found the verification code for applying for a payment account, which was opened in April this year."

Chu Yu's fingertips were a little cold, and he breathed out: "His bank card is not lost, all the cards are there, and he doesn't seem to know that his card has been copied."

Song Qingyang: "Hey, doesn't this basically eliminate the suspicion? He is an empty-nest old man who was brutally poisoned by the Rafflesia flower."

"Not necessarily, although I didn't find any suspicious points in the economic information, but I noticed other suspicious points. Xiaoyu, did you notice just now that there are snacks in the old man's house, such as candies, dried plums, dried fruits, etc., the sugar content It's quite tall, isn't it generally taboo for the elderly?"

"It's usually like this, but not necessarily. My grandma likes to eat sweet and soft food, otherwise she will have no taste in her mouth."

Chu Yu: "And I'm sitting on the sofa, I can see the second bedroom, the bed is covered with sheets, the window is open, it looks like someone is living there."

Fang Datuo: "Could it be that the children go home and sleep occasionally?"

Chu Yu was noncommittal, with a calm face: "Anyway, the whole house gives me the feeling that there is still a young man living in it, either hiding or not at home.

Muyu: "I checked his household registration information before, and there are only four people in his family. Excluding the deceased wife and the children who moved out, he is an old man, and other relatives and friends may come to live for a few days... But before you left, you told him to be more careful when living alone, but he didn't say he wasn't alone."

"How about this, you sort out all his information again, I'll call the community property and ask about the specific situation of his house."

Chu Yu dialed the property management number of the □□community and asked about the situation of the 10-10 residents in Building 1. The property management knew that it was the police who came to investigate not long ago. Mr. Jiang has always lived alone, but he is still in good health, so he did not receive help from social workers."

After that, Chu Yu called Jiang Jianzhou's children again. As a community volunteer, he explained that the old man did not receive regular visits, and wanted to confirm the old man's physical condition and see if he needed help.

Jiang Jianzhou's son is named Jiang Yu, and his daughter is named Jiang Zhu. They are both successful business people. They are busy with business, and now they live in other cities and rarely go home. It is a bit inexplicable to receive a call from a volunteer, but he still expresses euphemistically: Father's health He is healthy and has no serious illness. Although he lives alone, he can live a good life alone. Since he has not accepted visits, he doesn't need them to worry about him for the time being.

After hanging up the phone, Chu Yu rubbed his forehead. He talked too much today, his teeth were dry, and he had to change his identity at any time. He was a director for a while, a policeman for a while, and a volunteer for a while. He was afraid that he would say something I missed the point.

"Qingyang, please go and install a camera in the corridor today, facing the door of Jiang Jianzhou's room. I still don't believe that the person in his family can never go out."

Song Qingyang got the order, rubbed his hands excitedly, and went to do big things.

After sorting out the materials, Mu Yu didn't bother to print them out, so she brought the laptop over. Seeing that Chu Yu had a big head, she didn't bother her to read it in person. She directly introduced by voice: "Jiang Jianzhou's family conditions are really good. He has always been from the city. After going through the turbulent years, I held an important position in a state-owned enterprise in my early 20s. After the resumption of the college entrance examination, I got a diploma. I was born and educated among my peers. I have acquaintances as soon as I enter the company, and I am promoted quickly. However, he has done a lot of practical things in his position. The position is not easy. When he was young, he often needed to travel. He has been to Liangshui and Honggang. They are all relatively small prefecture-level cities. moon......"

"Liangshui..." Chu Yu repeated the name of the place, "Is it near Chenyang?"

"In a province, it's far away from Wangjiang anyway."

Chu Yu was pacing up and down in the office, but suddenly stopped, with his hands resting on the desk: "I remember we checked Zhou Lanxin's ancestral home before, are they also in Liangshui?"

Muyu thought about it: "Yes, she is not a native of Wangjiang. It seems that her family is too poor, so she came to Wangjiang to work and settled here."

Chu Yu murmured to himself: "Is this a coincidence... By the way, you can confirm whether Mu Shangqing's address before his death is also on Linquan North Road. I thought this neighborhood was familiar from the very beginning."

Muyu re-checked Mu Shangqing's information, and soon got a reply: "You remember right, Section Chief Mu and Huang Nan have been living in Mingpin District, Linquan North Road. We passed by today, which is diagonally opposite to the □□ community. .”

Chu Yu sat down, glanced at Muyu and Fang Datuo, his face turned pale: "It was said that Xiaohuaihua has no relatives alive, but we may have missed someone."

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