Facing Jiang Jianzhou, Chu Yu didn't elaborate on the investigation content, and straightforwardly told 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, I have taught how to distinguish fraud, I learned a lot, and I can see it when I actually encounter it."

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

"It seems to be 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 turned out the text message. He hesitated, but didn't immediately give them: "Just check the text message?"

Muyu is not as approachable as Chu Yu, not to mention professional smirk, even professional tone: "rest assured, there will be no privacy involved, only check whether your memory device is safe."

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

Muyu directly took the phone and started to make a fuss, "How many years have you used this phone?"

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

"What are they used for?"

"I play music occasionally and listen to the news. I don't know how to use it. Just like an old mobile phone, I call and send text messages with my family."

The old man sat next to Mu Yu and wanted to stare at her to check. Chu Yu continued to ask questions and diverted his attention: "Has anyone come to sell goods recently?"

"No, they generally can't 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 not there, Chu Yu scanned the room. The decoration of the room was exquisite. The house was well-decorated, and the dining table was made of marble. There was an insulated teapot and a tea cup on the table. Snacks are placed 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, which belonged to different banks, including the commemorative card. Chu Yu took it, mainly to confirm whether he had the same card as Xia Yihan in his family.

"Are all your cards here?"

Jiang Jianzhou was in a daze. After a while, he replied, "Yes, it's all here."

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

Chu Yu took out the information given by the bank, compared it with a gesture, and asked, "Have your bank card ever been lost?"

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

Chu Yu said, "If you encounter a loss in the future, it is best to report the loss. If you fall outside and are picked up by someone else, you may transfer all the money in your card."

The old man agreed. After a while, his expression became tense: "Police officer, shouldn't all the money in my card be wiped out?"

"No, it is mainly for prevention. We received a report yesterday. There are suspected criminals in this block. The target is the elderly living alone. They pretend to be salesmen, cheating the elderly to scan codes, steal personal information, take away personal deposits, and pay. Some people 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 statistics."

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

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

After Muyu checked, he returned the phone to him.

Chu Yu: "Yes, but you have not encountered it, but if you find a suspicious person in the future, please be sure to contact us."

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

They were almost done asking, they got up and left, Jiang Jianzhou sent to the door with a smile: "The two police officers have worked hard. This winter, they went door to door to understand the situation."

Chu Yu also politely said, "Thank you for your cooperation. You are at home alone, so you must pay more attention to safety!"

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

Song Qingyang cared about them: "How is it, did you run into Grandpa Wei?"

The wind was a bit strong, and Chu Yu buried his head slightly, his chin nestled in the sweater collar, "Fortunately, people look normal."

It was not convenient to discuss the case outside, the three of them held back all the way, and finally returned to Superman.

Fang Datuo was busy working on the fifth floor, but when he saw something on the second floor, he rushed down. He wanted to see their faces and guess the result, but found that it didn’t work at all. Muyu had always been expressionless, and Chu Yuxi couldn’t help it. Song Qing Yang was heartless, feeling like the three of them went out for a drive and came back for dinner.

"Sisters, have you found anything?"

Muyu glanced at him: "Some sisters, there are Trojan horse programs in Grandpa Jiang's phone. There are not a few apps, and the memory is basically full, and the text messages and call records for the past three years are all there, not deleted, and there is a suspicious link. In March this year, I found the verification code for the payment account, which was opened in April this year."

Chu Yu's fingertips were a bit cold, and he breathed: "He didn't lose his bank card, all the cards are there, and he doesn't seem to know that his card was copied."

Song Qingyang: "Hey, can't this basically eliminate the suspicion? He is an empty nest old man who was poisoned by the Overlord Flower."

"Not necessarily. Although I did not find any suspicious points in the economic information, I have noticed other suspicious points. Xiaoyu, did you just notice that there are snacks at home for the elderly, what kind of sweets, plums, dried fruits, etc., and the sugar content? It’s quite tall, don’t the elderly generally have to avoid it?"

"Usually this is the case, but not necessarily. My grandma likes to eat sweet and soft food, otherwise her mouth will be tasteless."

Chu Yu: "Also sitting on the sofa, I can see the second bedroom, with sheets on the bed and the windows open, it looks like a person is living."

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

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

Muyu: "I checked his household registration information before. There are only four people in his family. Except for the deceased wife and children who moved out, he is an elderly person, possibly other relatives and friends who came to live for a few days... But before you leave, tell him you should pay more attention to living alone, and he didn't say you are not alone."

"Well, you can sort out his information again. I will call the community property and ask about the specific situation of his home."

Chu Yu dialed the property phone number of the community and asked about the situation of the residents of Building 10-1. The property management knew that it was a police officer who came to investigate not long ago, and said: "There are people in the community who pay special attention to the elderly living alone and will provide community services. Old man Jiang has always lived alone, but his body is still tough, so he didn't accept the help of social workers."

Later, Chu Yu called Jiang Jianzhou's children again, as a community volunteer, explaining that the elderly did not receive regular visits, and wanted to confirm the elderly's physical condition to see if they 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 on official business. They are now living in other cities and rarely go home. They received calls from volunteers, which was a bit inexplicable, but still euphemistically said: Father’s body He is healthy and has no serious illness. Although he lives alone, he can live a good life. Since he has not accepted visits, he does not need to worry about them for the time being.

When I hung up the phone, Chu Yu rubbed his forehead. I talked too much today, and my teeth were dry, and I had to change my identity at any time, for a while, the chief, the police, and the volunteer again, for fear that he would say something. Something went wrong.

"Qingyang, please go to the corridor today to install a camera, facing Jiang Jianzhou's door. I still don't believe that the person in his family can keep going out."

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

After Muyu finished sorting out the information, she was too lazy to print it, and took her laptop over. Seeing that Chu Yuzheng had a big head, she didn’t bother her old man to see it in person. She directly introduced by voice: “Jiang Jianzhou’s family conditions are really good and he has always been a city dweller. After going through turbulent times, I took a key position in a state-owned enterprise when I was in my early twenties. After the college entrance examination was resumed, I got a diploma. I was born among my peers and had relatively good academic qualifications. Once I entered the company, I had acquaintances, and my promotion was fast. , But he still did a lot of practical work in his position. The position was not easy. When he was young, he often needed to travel. He had been to Liangshui and Honggang. They were all relatively small prefecture-level cities. Months..."

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

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

Chu Yu was originally pacing around in the office, but suddenly stopped and put his hands on the desk: "I remember Zha Zhou Lanxin's ancestral home was in Liangshui?"

Muyu remembered: "Yes, she is not a native of Wangjiang, she seems to be too poor at home, 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 was also on Linquan North Road. I felt familiar with this block from the beginning."

Muyu re-inquired Mu Shangqing's information, and soon got a reply: "You remember, Chief Mu and Huang Nan have been living in the Mingpin Community on Linquan North Road. We passed by today, and it is diagonally opposite to the □□ Community. ."

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

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