Pang Jitong looked back, but it was Zhang Suling, the homeroom teacher of Xu Jingjia's fifth year of middle school. Teacher Zhang was standing next to a royal blue car, apparently preparing to pick up the car and leave the school.

Pang Jitong said hello to Zhang Suling, and the two sides approached each other, and then Pang Jitong introduced to Zhang Suling: "Teacher Zhang, this is my boss, Senior Inspector Fu Liangtao."

Teacher Zhang nodded at Fu Liangtao and said in a deep voice, "Hello, Assistant Fu." Mr. Zhang looked to be about fifty years old, with some light wrinkles on his face. The black skirt and dark brown thick-rimmed glasses make people not mistake her for her unsmiling and serious.

Fu Liangtao nodded politely to Teacher Zhang, and asked casually, "Teacher Zhang! Why do you have to go back to school on weekends?" In fact, it is well known that Hong Kong educators have a heavy workload, and Fu Liangtao knowingly asked.

Teacher Zhang didn't answer Fu Liangtao's words, only smiled slightly, reached out to help his glasses, and turned to a straight tone: "Actually, the last time you contacted me to look for Xu Jingjia's old photos, I remembered an incident that happened before, but I'm not sure if this incident has anything to do with the case you mentioned."

Fu Liangtao and Pang Jitong glanced at each other, and then Pang Jitong shrugged his shoulders and said to Zhang Suling, "Teacher Zhang, it's okay to say it!"

Teacher Zhang tightened his face and said, "Wait a minute."

I saw Zhang Suling open the car door, bend over and take out a laptop from it. After a series of skillful operations, Cheung Suling logged into her work email account on her laptop and opened an email sent by her, but the delivery date was mid-January 2011, and the recipient was Xu Jingjia.

When Fu Liangtao was about to take the laptop to read the content of the email, Zhang Suling suddenly wanted to close the computer screen as if he suddenly remembered something. Seeing that the laptop was about to fall to the ground because of uneven force, Fu Liangtao was quick and kept the laptop in his hand.

While stabilizing the laptop, Fu Liangtao also read the content of the email clearly, so he comforted Mr. Zhang and said, "Mr. Zhang, don't worry! I've been involved in cybercrime investigations for many years, and I often come across this information when I search my computer in order to search for useful evidence, so you don't have to worry too much."

However, these words did not seem to alleviate Mr. Zhang's embarrassment.

Zhang Suling reached out and held her glasses, turned to Fu Liangtao and Pang Jitong on the side, and didn't look at them, and said to herself, "A few years after Xu Jingjia graduated, I started receiving these emails from Xu Jingjia's mailbox. Xu Jingjia has always been well-behaved, I can't imagine that she would watch such content. So, at the class reunion, I once mentioned this to her. She was a little stunned at the time, obviously not remembering the email at all, and only said that she would pay attention to it and deal with it."

"And what is this email ...... now?" Fu Liangtao asked.

After speaking, Mr. Zhang's expression slowly returned to normal, and gradually turned to Fu Liangtao and Pang Jitong again, and then explained, "I told Xu Jingjia at the time that if I received these emails again, I would add her to the blacklist. At that time, she also said that I should not worry, she will definitely take care of things.

However, I still receive these emails from time to time. I see that there are a lot of people who receive this email, maybe because Xu Jingjia is not cautious in making friends. I think she probably hasn't seen the original yet, so I forwarded it to her."

Fu Liangtao looked at the recipients of the original carefully, the number was not too much, about thirty or forty. Fu Liangtao replied, "So, when was the first and last time you received these emails?"

Mr. Cheung replied, "I remember the reunion was around mid-December." Speaking of this, Mr. Cheung clicked on the photo album in the mask on his mobile phone, and the album showed that the photo of the alumni association was taken on December 18. Teacher Zhang continued, "The first email was received not long before the alumni reunion, and the last one was the original of this email, and then I blocked Xu Jingjia's email."

Fu Liangtao and Pang Ji walked along the sidewalk to the parking lot not far away. As Pang Jitong walked, he thought about the list of recipients and Mr. Zhang's words, and said, "In this way, Xu Jingjia is not unaware of this email."

"That's right." Fu Liangtao replied, but he was thinking about why Xu Jingjia had never mentioned to him that her middle school teacher also knew.

I heard Pang Jitong say again, "These emails ...... It shouldn't have been sent by Xu Jingjia by mistake, right......?"

Fu Liangtao raised his eyebrows, glanced at Pang Jitong, and said while opening the car door, "What's the matter? Didn't you think I was helping Xu Jingjia speak until just now?"

Hearing Fu Liangtao's words, Pang Jitong pursed his lips disdainfully, did not rush to argue, and only said, "I didn't change my opinion of Xu Jingjia because of this. However, the recipient of this email is suspicious. The recipients included all of Hui Ching-ka's first-semester tutoring class, and the remaining few were Hui Ching-ka's secondary school teachers, senior high school teachers and classmates."

The suspicion mentioned by Pang Jitong is the same as the reason why Li Bingde's case was suspicious at the beginning - "all".

Li Bingde's email was received by all the women who had contact with his work, while Xu Jingjia's email was mistakenly sent by all the tutoring classmates. This is especially true when you don't have a smartphone or your address book linked to each other.

Fu Liangtao agreed: "If the missent email has nothing to do with online harassment, the only possible scenario is that Xu Jingjia deliberately entered the email addresses of all the tutoring students into the address book, and then the missent email occurred. However, from the list of recipients of this email, it can be seen that Hui Ching-ka did not have the habit of adding all her classmates to her address book in her secondary and senior secondary schools in the past. This contradicts Xu Jingjia's past habits.

Moreover, after learning about Xu Jingjia's associate degree life, at least half of the people in the same tutoring class have never had direct contact with her. In this way, it is even more impossible for Xu Jingjia to add the other party to the address book for no reason."

"In addition to this, Ms. Cheung Suling first received the email in late November 2010, which coincided with the time when Hui Ching-jia began to be harassed online.

To be honest, before I saw Teacher Zhang Suling's original email, I thought that Xu Jingjia accidentally sent these contents out by mistake when she watched these things......

Fu Liangtao smiled: "Actually, I also doubted whether this was possible before......

After that, Fu Liangtao started the car, but he didn't drive in the direction of the police headquarters. As the car drove to the overpass in the direction of Tsing Yi, Pang Jitong couldn't help but be surprised: "Where are we going now?"

"Owen's studio." Fu replied, "Yu Xiucheng and Xu Jingjia have only been in the same tutorial class since the second semester, so it can be assumed that most of their contact took place during this period. The cyber harassment started in the first semester, and things started to heat up in the second semester. With the character of the prisoner, he would not choose to reduce his contact with Xu Jingjia during this period.

Therefore, Yu Xiucheng and Au Tianyi (Cliff), who left school and changed departments in the first school year, could not be among the prisoners. However, the information I have obtained from my investigation of Yu Xiucheng is very different from the rumors, so I must go and confirm it."

After a while, Fu Liangtao said to Pang Jitong again: "By the way, I will leave the matter of inquiring about Yu Xiucheng to you in a while!" I believe that in this way, you will be more convinced of the results."

Looking at Fu Liangtao's determined appearance, Pang Jitong, who decided that he was partial to Xu Jingjia, was even more unconvinced.

Owen's studio is located in a private house in Tsing Yi, and the layout of one room is simple and elegant, except for the painting tools. From the works in the studio, it can be seen that Owen's work is to teach children different types of painting, and most of his works are copying different still lifes.

Pang Jitong originally wanted to learn from Fu Liangtao's appearance when he visited Xu Ningzhi's embroidery shop last time, and first pretended to be a guest and got acquainted with Owen. Pang Jitong asked himself that he was young and didn't look like a person with children, so he only showed Owen his intention when he saw Owen.

Pang Jitong only vaguely said that it was an investigation of the case, and did not mention the rumors they had heard.

Owen didn't look much different from the associate bachelor, but he had faded from his youthfulness.

As soon as she saw Xu Jingjia's photo, Owen frowned slightly, and then said lightly, "I don't know this person very well, I don't know what you want to ask."

Pang Jitong then asked, "Can you tell us about your impression of Xu Jingjia?"

Owen paused, recalling, "She? Just like this photo, she dresses up almost every day to go back to school. …… Adversity...... Also, I love to laugh."

Pang Jitong jotted down Owen's words and continued to ask, "So, how is she?"

"This...... She's a bit elusive. Moreover, Xu Jingjia is a casual person. If she's happy, she'll give you a smile, and if she's not happy, she won't look at you." Owen replied.

Pang Jitong wondered, "Random? What does that mean exactly?"

Owen replied, "Literally. Do whatever you want, and if you want it, it will make people misunderstand."

Hearing this, Pang Jitong heard some signs, and then asked, "Can you tell me more?" When did this begin, and why did it end?"

Owen recalled the details in his mind and said, "I think it was from the end of the first semester to the beginning of the second semester. At that time, I didn't know her well, and I couldn't ask her directly. A few times, as soon as I tried to approach and talk to her, she would back away so that I could not make up my mind.

Later, a friend who was always with her reminded me that she was just a casual person. It didn't seem like the first time I had done this, and I felt like I'd been teased right now."

Pang Ji Tongfu asked again, "Since she is a casual person, then she will not just play you alone. Can you tell us about who else she's done this to besides you?"

Owen pondered for a moment before saying, "Seems to say...... When she participated in any school, or when she was in an extracurricular activity, she also treated one of the boys like this, and she ran away after the other party liked her."

Pang Jitong continued to record Owen's words under the dense lines of transcripts, and asked, "What else?"

"What?" Owen asked inexplicably.

Pang Jitong raised his eyes to look at Owen and asked, "It's the other boys who were teased by Xu Jingjia...... Are there any other boys?"

Owen replied, "As far as I know, that's all there is."

Pang Jitong felt a little incredulous, and once again confirmed, "Isn't there nothing you saw with your own eyes?"

Owen thought about it for a moment, and replied hesitantly, "Like...... There's really no ......."

Pang Jitong listened and found that Owen's knowledge of Xu Jingjia seemed to be indirectly heard from others, so he asked, "So, have you actually talked to Xu Jingjia?"

Owen replied affirmatively, "We used to make eye contact, and I don't think I was mistaken."

Pang Jitong felt that he had already received an answer from Owen's words, but he still wanted to reconfirm: "So, all the things about Xu Jingjia were heard by you from that friend, right?"

Owen didn't answer, but acquiesced.

Pang Jitong pondered for a moment, and then asked, "So, do you remember who reminded you was?"

Owen smiled shyly and replied, "After so many years ago, he or she was not an important person, how can I still remember." For the first time since stepping into the studio, Fu Liangtao and Pang Jitong saw Owen's face relax and tighten up.

Fu Liangtao took out the character relationship diagram of Xu Jingjia when he was an associate from the folder and asked Owen to identify it. I saw Owen point to the person next to Xu Jingjia in the character relationship diagram and said, "It's him (she)! I recognize his smile, and I can't be wrong!"