Incineration
After a night of this, everyone who needed to be sent to the hospital had been sent there, and everyone who needed to be reported had been reported. Chen An came out of the deputy director's office, and Cheng Xiaoxiang immediately reported the results to him, "Boss, the portrait artist has created some faces based on your description. Would you like to identify them?"
The man in the windbreaker only showed his face when he was sniping Jiang Li. At that time, both sides were in a tug of war and no one could really see his face clearly. Even if they could see it clearly, the senses magnified in times of crisis would easily become blurred in memory after calm was restored. The portrait artists in the bureau were relatively young and might not be able to completely restore the other person's appearance based on his description.
The sketch paper was spread out on the table, and Chen An looked at them one by one. Each one looked quite similar, but upon closer inspection, none of them looked alike.
Finally, he chose the one he thought was the most similar among all the portraits. "The other person has a thin face and a face that is not as wide as this one, but this one has the most similar eyes."
Cheng Xiaoxiang got the result and took the portrait. "Okay, I'll ask the artist to refine it and upload it to the cloud to see if I can find this person."
Chen An nodded, then glanced at the workstations and pointed at Lu Yuyao, who was still confused.
"Yes, come with me to interrogate Cheng Tongguang again."
After being brought back to the Municipal Bureau, they had already interrogated Cheng Tongguang.
Completely different from the madness he displayed when he killed people with a knife, he calmly accepted the fact of his arrest almost instantly. In the next two hours, he confessed to all his crimes and answered the police fluently when they asked him about the details of the murder. The whole process was so calm that it was like reading an irrelevant story in a book. Only when he mentioned Chu Tong did he reveal an expression of resentment, hating himself for not being able to kill him.
He admitted it too readily, almost taking all the blame, which made Chen An suspicious.
According to Cheng Tongguang's confession, his murderous intention began from the moment Huang Shuwen died.
According to the timeline, on September 17, after Jiang Li sent Huang Shuwen to the hospital, Cheng Tongguang immediately rushed to pick Huang Shuwen up. The two took a taxi back to their rented house at around four or five in the morning. A week later, Huang Shuwen died. He was unwilling to accept this and wanted to avenge his girlfriend, so he relied on the information in the report materials to find these people and retaliate one by one.
The first person to be retaliated against was Xu Lanxin. It was on her recommendation that Huang Shuwen chose Yin Shilu as her mentor. After entering the school, Huang Shuwen was forced to get involved in the relationship between Xu Lanxin, Chu Tong, and Yin Shilu. Fortunately, she was able to get out of the relationship in time.
The second person to be retaliated against was Yin Shilu. Cheng Tongguang felt nothing but anger when he mentioned Yin Shilu. He held his head high, believing he had done something righteous, and he generously shared his details. He stabbed Yin Shilu to death using the same method, smashed his abdomen, and finally overturned the alcohol lamp, setting the entire room ablaze.
The third person to seek revenge was Wang Ruofei. Chu Tong and Wang Ruofei were both Yin Shilu's lackeys, often aiding them in their misdeeds. The approval of the anti-cancer experiment was largely due to their assistance, as they deceived both the school and the students.
They used fabricated data to entice Huang Shuwen and others to continue their research, even after their cancer risk assessments were far beyond the normal range. In Wang Ruofei's words, "How can we fight cancer without first-hand experience?" So, the two of them tacitly accepted the occurrence of cancer, making Huang Shuwen and her colleagues the perfect experimental subjects.
Unfortunately, the matter became a big deal and the three had to drop out of school. The experiment was stopped and Yin Shilu was severely criticized by the school leaders, and then he continued to teach as if nothing had happened.
The mutual protection among officials made Huang Shuwen's road to defending her rights difficult. The other two knew that they would not live long and had no energy to make trouble, so they gave up. Zhao Yibao, Cai Ruyao and Huang Shuwen were all waiting to die.
How could Cheng Tongguang be willing to accept this? So after learning that Wang Ruofei had returned to China, he quickly put on some clothes and disguised himself as a delivery man, and killed Wang Ruofei in the City Convenience Hotel. The skin tissue remaining in Wang Ruofei's nails was confirmed to be Cheng Tongguang's.
Cheng Tongguang's confession was fluent, as if he had rehearsed it a thousand times in his mind. He could answer any question quickly and accurately.
When Cheng Tongguang pushed the door open, he was crying. When he saw someone coming in, he quickly wiped away his tears and turned his face away so that the other person would not see his miserable appearance.
Chen An sat down and stared at him. Cheng Tongguang felt uncomfortable being stared at and spoke first, "Do you have anything else to say? I've said everything I need to say."
The corners of Cheng Tongguang's eyes were red and his whole body was dirty, but the red bead bracelet on his wrist was still shining under the light.
His acquaintance with Huang Shuwen was very much like a redemption plot in a romance novel.
The two met for the first time at the gate of Huang Shuwen Junior High School. At that time, Cheng Tongguang, who had no household registration, had a hard time surviving and could not find a job. After finally finding one, he was cheated by a black-hearted merchant and did not get a penny in the end.
He was so hungry that day that he finally reached out to eat the buns in someone else's shop. Unexpectedly, he was discovered and beaten again. After that, he was thrown on the roadside.
At noon, Huang Shuwen, returning home from school, saw the dirty heap on the ground and, after struggling for a long time, finally walked towards him. Fearful and worried, she saw that he was still alive and asked what was wrong and if he needed help. Cheng Tongguang moved his mouth but managed to utter only one word: "Hungry."
Then he got a bun, a bun stuffed with cabbage, and it was the best bun he had ever eaten.
The two sat on the concrete steps and chatted casually.
Huang Shuwen asked him why he didn't go home. He said he had no home and was abducted and had to wander around.
Huang Shuwen was silent for a moment and then said curiously, Oh, so you are the homeless person.
Wanderer, it sounds a bit advanced.
Huang Shuwen then picked up a notebook and read the words on it, "The journey of life is like sailing on the sea, and all of us on the boat are wanderers."
Cheng Tongguang had never been to school and thought that not understanding something meant it was advanced. He admired Huang Shuwen in his heart. Huang Shuwen often shared the words she read with him, and over time they became friends.
Throughout Huang Shuwen's school years, Cheng Tongguang was always by her side. He followed her wherever she went to school, working and renting a house in that city. Later, when she was admitted to university, he spared no expense to support her studies, without any complaints or asking for anything in return. It was natural for the two of them to be together.
If it weren't for Yin Shilu, Huang Shuwen would have successfully completed her master's degree, and he wouldn't have to be separated from her forever.
When the interrogation room was quiet, Cheng Tongguang began to stare at the beads in a daze again.
His condition is indeed consistent with killing for love. From the story he told about how he met Huang Shuwen, it is not difficult to see that he really loved this person and was very likely to kill for her.
"Why kidnap Jiang Li?"
Chen An chose another entry point. Four or five days had passed since the Xu Lanxin case broke out and Cheng Tongguang was exposed to them. Before that, he was not in the police's sight at all. Why could he choose to kidnap Jiang Li so quickly and accurately?
"Because..." Cheng Tongguang paused, his mind racing, "I just picked the person randomly. Didn't I also capture another boy just to threaten you?"
This explanation would have made sense if he hadn't paused.
Obviously, Cheng Tongguang knew that Jiang Li had a special relationship with him, the captain of the serious crime team.
But...how did he know this? Did someone tell him, or...
Chen An stared at him, and he stared back at Chen An. He was only twenty-four, but his eyes were already cloudy and gloomy. Caring for Huang Shuwen seemed to have exhausted all his energy. All ten of his fingers were covered with scars. Survival in society was difficult for people with low education, let alone his lack of identity.
In the silent contest, Cheng Tongguang was the first to lose. He lowered his head, his lips moved, and after thinking for a while, he said, "I don't regret it at all, officer. I did it all by myself from the beginning to the end. I just hate them too much. As for Jiang Li, please tell him I'm sorry. He saved Wenwen and I... I didn't mean to do it. I'm sorry."
Chen An frowned at this meaningless apology. No matter what he said, Chen An would not forgive his behavior. Jiang Li saved Huang Shuwen. Cheng Tongguang clearly knew Jiang Li's kindness to them during the implementation of the plan, but he still dragged them to die together without hesitation. He didn't think Cheng Tongguang would really feel guilty. He just wanted to cover up something with these words.
"Cheng Tongguang, I now suspect that you are not the only murderer in this case."
Cheng Tongguang clenched his fingers, quickly put his hands under the table, looked up at him, and said with a smile: "Okay, if I find someone to go to jail with me, that would be great too."
Chen An stood up and placed a photo of the scene in front of him. It was a charred corpse. The moment Cheng Tongguang saw it, he felt like vomiting.
"You don't need to show me photos of people like this." Cheng Tongguang looked away.
"Don't you hate him? Don't you feel bad seeing him become like this?" Chen An continued, "What did you use to ignite the lab?"
Cheng Tongguang said: "What else can be found in the laboratory? It's just an alcohol lamp."
This is the same as what he said in his confession. After Cheng Tongguang killed Yin Shilu, he used his lighter to light the alcohol lamp, and then used the alcohol lamp to light the curtains, causing a fire.
"Is there nothing else?"
Facing his questioning, Cheng Tongguang was stunned for a long time, and finally shook his head, "No."
"Okay." Chen An took out another photo of solidified wax. "This is the residual wax we found in the four corners of the laboratory. We speculate that the fire was caused by the fallen candle."
"You're not wrong. It's just that you didn't light the alcohol lamp. Instead, you broke it, lit four candles, and then pushed it over. The open flame encountered the utensils and chemicals in the laboratory, which caused the fire."
Cheng Tongguang frowned briefly, "I forgot. I was already very panicked after killing him, and I can't remember the subsequent operations."
"Cheng Tongguang, I'm going to ask you one last time, did you set the fire?"
"I was responsible for the murder and arson!" Cheng Tongguang's forehead was bulging with veins. "I killed Xu Lanxin. She insulted Wenwen, so I killed her! I also killed Yin Shilu and Wang Ruofei. They all bullied Wenwen!"
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