Chapter 7 Decision to Participate in Case Investigation
Han Yun, who had just stood up, saw a white card with the number '3' written on it on the table , sat down again, looked at Su Mo and asked, "Did you receive a card too?"
"It wasn't me, it was a friend of mine." Su Mo frowned slightly, "Dong Xing was killed on the third day after he received the card. Although Bai Jing doesn't know the exact time he received the card, I suspect it was the same. That's why I made a scene at the press conference to draw your attention to this matter."
"Why don't you hand the card to the police?" Han Yun asked.
"It's not that I don't believe in the police's ability to handle the case, but if you investigate it yourself, maybe it will be faster. Of course, I have also decided to meet you this morning. If you don't agree to participate in this case, I will go to the police station after leaving the cafe." Su Mo said truthfully: "Since she received the card, I'm afraid she has been targeted, and the police simply can't protect my friend indefinitely. If the murderer is caught during this period, it will be fine, but if the murderer is never caught..."
Han Yun reached out and picked up the white card, flipping it over. The card was made of hard material, but there was nothing special about it. There was no pattern on it, and the numbers were written on it with an ordinary ballpoint pen: "What's the name of the friend you mentioned? Where is he now? When did you receive this card?"
"She received the card yesterday at noon. I was at her house at the time and someone rang the doorbell, but when she went to open the door, she didn't see anyone outside. After entering the house, she found the card by the door. She is a freelancer who runs a public account and usually writes articles and things like that. She doesn't care about the facts, so she didn't know the meaning behind the card and thought it was a prank by some kid. Fortunately, I was there at the time." Su Mo lowered his body and said, "Since Dong Xing died, I have been keeping an eye on this case and got some first-hand information. I plan to publish it as soon as the case is over. The photo of the body hidden in the suitcase I showed you just now, and the two cards found in the body of the deceased, are all things I got before, so I was shocked to see that my friend also received the card."
"One is a doctor, one is a real estate manager, and your friend is a freelancer. There shouldn't be any intersection between the three." Han Yun held up the white card in his hand, looked at it against the sunlight, and found nothing special.
"After receiving the card, I immediately went to the surveillance room of my friend's community to check the surveillance. However, it was noon, and there were students leaving school, and people delivering takeout and express delivery. I didn't see anyone suspicious." Su Mo pulled out a video on his phone and said, "I recorded the surveillance footage of that time period. By the way, my friend's last name is Wang, and her single character is Lu. After receiving the card, I thought the house she rented was no longer safe, so I took her to my house."
Han Yun took the phone and looked at the surveillance footage. It was the surveillance footage of the community gate yesterday at noon. There were many people coming in and out during this time period, most of them were children.
"Wang Lu and I were classmates in college. After graduation, she worked as a reporter for a while. She only quit her job in recent years to run her own public account at home. We have always been good friends, so I thought about it for a long time yesterday afternoon. I happened to see on Weibo that you would attend the press conference of "The King of Detectives", so I disguised myself as an entertainment reporter. I followed you when you participated in the "Most Powerful Brain" program. Later, you were hired by the police as a "case consultant". I also participated in the case you participated in, but you may not remember it." While Han Yun was watching the surveillance video, Su Mo took a sip of coffee and said, "If we follow the rule that Dong Xing was killed on the third day after receiving the card, then Wang Lu received the card on the second day, including today."
"Dong Xing just happened to be killed on the third day after receiving the card. The purpose of this card may just be to inform the victim in advance that he is being targeted. Of course, it is also telling the police that these people were killed by 'me'. I believe Bai Jing was not necessarily killed three days . It is even possible that he received the card earlier than Dong Xing." Han Yun stared at the surveillance footage on Su Mo's phone and said, "In addition, the card also has another function, which is to mislead the police. Murderers like to leave some irrelevant clues at the crime scene, but they can mislead the police in the direction of the investigation."
"I asked Wang Lu if she knew Dong Xing and Bai Jing, and she said no. As you said, they have different professions and don't have much in common, so it's unlikely that they would know someone in common. Could it be that the murderer is killing people randomly?" Su Mo guessed.
"From the previous two cases, it doesn't seem like random killings, but more like premeditated murder." Han Yun paused the video on his phone and put it in front of Su Mo. He pointed at a child in the video and said, "This child went in and out twice within half an hour, and he was carrying a schoolbag each time."
"You mean the card was given to Wang Lu by this kid?" Su Mo was a little surprised.
"The first time he entered the community, it took only seven minutes to leave. However, the second time he left and the third time he entered were twenty minutes apart. And... he was holding a bag of snacks in his hand." Han Yun stretched and said, "Someone must have bribed this kid to do this."
"That means this child has seen the murderer?" Su Mo said, staring at the child in the surveillance screen.
"Think about it, the murderer would not let the child see his true face. Otherwise, the murderer is too unprofessional." Han Yun spread his hands, then stood up and said, "You can't solve the case just by sitting here."
Hearing Han Yun say this, Su Mo hurriedly took his bag and stood up: "So, you agree to investigate this case personally?"
"The case is in the Serious Crime Unit. I heard that their team leader is very difficult to deal with." Han Yun said as he left his seat and walked towards the front desk.
"You have the golden signboard of 'Case Consultant', so what are you afraid of?" Su Mo blocked Han Yun and took out his mobile phone to scan the code. "It's my treat as agreed."
"No reward without merit." Han Yun took out the money for his cup of coffee from his pocket, put it directly on the bar, then turned and walked out.
After walking out of the coffee shop, Su Mo caught up with him: "Where are we going now? The police station?"
"Let's go to the first crime scene where Dong Xing was murdered first." Han Yun stopped and looked back at Su Mo: "Do you know where it is?"
"Of course, I'll go with you." Su Mo took out the car keys and came to a red BYD.
Han Yun got in the car, and the two of them drove in silence for 30 minutes to a remote old residential area. There were old buildings all around, and some of the walls had the word "demolition" written in large letters.
Su Mo parked the car in front of one of the buildings, pointed ahead and said, "This is the building."
The two got out of the car and walked over. Han Yun stood in front of your unit door and looked around before walking in. On the second floor, the door to the crime scene was open. A policeman was guarding the door. When he saw the two people, he was quite surprised and walked up to Han Yun and said, "You...you are that...Han..."
"I want to see the crime scene." Han Yun interrupted the police and took out the "case consultant" certificate issued by the police station from his pocket.
