Chapter 499: Silver Tongue

Looking at Zhao Qianling talking eloquently, Jiang Yang knew that this man had a plan in advance and had even thought about how to deal with the police's interrogation.

"Officer Jiang, I have no criminal motive. Liu Cheng is also my student, and his grades are linked to my bonus. Why should I kill him?"

Zhao Qianling said it innocently, but the pride and arrogance in his eyes were nowhere to be seen in Jiang Yang.

He sneered and said, "Then I'll ask you. All the entrances and exits of the street garden along Su Fengshan Road are sealed, and there are also signs saying 'Under Construction'. Everyone knows that they are not allowed to enter."

"A while ago, the police arrested several people who sneaked in and had affairs, and all the cities in Fuzhou were issued notices. Doesn't Teacher Zhao watch the news?"

Jiang Yang looked at Zhao Qianling's slightly changed expression and laughed out loud: "What you said is high-sounding. Why don't you explain to me the reason why you have to violate the regulations and climb over the wall to enter?"

"You don't go to so many public free parks in Fu City, but you want to go to the park in the middle of the street? It's obviously a day ticket, but you have to ask Liu Cheng to meet at night?"

After a series of questions, Zhao Qianling remained silent for a while due to Jiang Yang's intimidation.

Just at this time, Zeng Gaojie pushed the door open and came in, handing a thick handful of information to Jiang Yang, and at the same time said to Zhao Qianling: "The police found nothing in your dormitory, aren't you quite proud?"

"No fingerprints, no hair, no trace of any movement."

"What are you trying to cover up by cleaning the teacher's dormitory so cleanly?" Zeng Gaojie asked: "The teacher in the same office as you at City No. 1 Middle School never said that you have mysophobia, and your desktop is not very tidy at ordinary times. Throw away the used tissues. , and occasionally there are oil stains on the table from eating.”

Zhao Qianling's face turned pale, and he smiled with a stiff face: "Police officers, I have told you many times that I am going to your province to attend an exchange meeting."

"I've only been away for half a month, why don't I clean the dormitory a little better?"

He said it as a matter of course, and suddenly blocked Zeng Gaojie's unspoken words.

However, Jiang Yang did not tolerate him and said to Zeng Gaojie in front of him: "Ask colleagues in the technical department to check the sewers as well, and pay attention to whether there are chemical substances or traces of burning."

Sure enough, as soon as he finished speaking, the corners of Zhao Qianling's raised lips dropped.

Even his brows were slightly wrinkled.

After Zeng Gaojie left, Jiang Yang asked him: "Okay, let's go back to the garden in the middle of the street. What did you and Liu Cheng say after you stayed there for an hour?"

"The weak light in the garden is not enough for Teacher Zhao to help with homework."

Jiang Yang spoke with sarcasm and stared at Zhao Qianling coldly.

It is not easy to survive until now under his intimidation.

In the monitoring room separated by a wall, Deng Yong and others looked solemn.

"Damn, this kid is really tough-talking. With so many doubts, he can still be teased out! It's obvious that he is the one who killed him!"

Mao Yi kicked the trash can, "When he showed up at the scene of a crime at night, he could always speak in a reasonable and reasonable manner. He should not say anything at all. Teachers are very articulate."

Sister Wang is also worried.

"What should I do? The autopsy report won't come out so quickly. Will the person who was finally caught be released within 48 hours?"

"Why are you anxious? You have to believe Brother Yang!"

Gao Jinyang clenched his fists and stared at the monitor.

"There are no criminals that Brother Yang can't handle!"

Here he is still confident.

"Not necessarily, there is no conclusive evidence..."

Deng Yong's words just came to his mind when he suddenly saw Jiang Yang in the interrogation room motioning for Yu Jing to monitor him.

Following a loud "bang", the small iron table in the middle was kicked over and hit Zhao Qianling's chest hard as it slid across the ground.

There was a slight sound of bone cracking.

Everyone in the monitoring room subconsciously held their breath.

"Ahem, let me just say something is wrong. This is Brother Yang's interrogation style."

Gao Jinyang laughed dryly, but Zhao Qianling in the interrogation room was not so comfortable.

He glared at Jiang Yang and winced in pain, speaking out word by word: "I, I want to file a complaint against you! The Criminal Investigation Corps beats citizens at all costs!"

"Mr. Zhao, I must remind you that you are now the biggest suspect in this case."

Jiang Yang walked up to him slowly and looked down at Zhao Qianling from above, "The reason why you can still talk to us here is because the autopsy report has not been released yet."

"Bodies don't lie."

"Don't think that if you clean the teachers' dormitory, we won't find anything. There are too many traces in the kitchen, bathroom, and sewers that you can't take care of."

"That day you left the street garden and went back to the dormitory to clean up the traces, right?"

Ignoring Zhao Qianling's angry eyes, Jiang Yang said to himself: "You teach mathematics, you should be good at physics and chemistry? It is impossible to make a person disappear silently under the nose of the police."

"Perhaps you wanted to hide it for a few more days. After all, the weather is hot and there are heavy rains in summer. Most of the traces will be wiped out. The longer it takes and the later Liu Cheng's body is discovered, the safer you will be."

"It's a pity that you didn't expect that because Liu Cheng didn't go to school, the police discovered his death so quickly, completely disrupting your plan."

"No matter how much you argue, it's useless. Tell me honestly about all your crimes. What did you say to Liu Cheng that day? How did you kill him?"

Jiang Yang's repeated questions carried a deterrent effect that frightened criminals.

Zhao Qianling was trembling all over, and an unspeakable fear spread in his heart.

After the words fell, the entire interrogation room fell silent.

At this moment, hurried footsteps suddenly sounded in the corridor.

The next second, Ji Dayu pushed open the door with a "bang" and excitedly raised the file bag in his hand.

"Brother Yang! Old Yu! There's news from the forensic department! The deceased Liu Cheng was pushed from the front, and there were two fatal injuries. The first was a thumb-thick wound on the abdomen. The preliminary judgment was that it should be a sharpened pencil. There was a small amount of black substance on the skin of the deceased, and the identification results showed that it was graphite and clay. In addition, there was a small amount of walnut sawdust, which are all components of pencils."

"The wound hit the deceased's abdominal aorta, causing heavy bleeding."

Ji Dayu quickly summarized the contents of the autopsy report, "The second one was on the back of the deceased's head. The head suffered a severe impact, resulting in a fracture of the skull, which caused intracranial hemorrhage."

"Zhao Ganling's hair and body fluids were found on the body of the deceased, and there were scratches on the skin of the deceased's neck. The extracted DNA confirmed that it was Zhao Ganling, and his dandruff was also found in the fingernails of the deceased."

"Forensic doctors all said that we were lucky. It is difficult to extract DNA from highly decomposed corpses. But Kyoto has recently developed a new DNA extraction method, polymerase chain reaction... um, I don't understand it very well, anyway, we are lucky!"