Returned from Liu Wentao in vain.

As expected.

It seems unexpected.

During the inquiry, Zhong Tianzheng did not induce him to confess and strive for good performance, nor did he draw a cake for him.

The next whole day.

Zhong Tianzheng was sitting in front of the computer, watching again and again, looking at the back of a middle-aged man who had left without any contrast, without any comparison. The street surveillance captured the scene.

He always firmly believed that these two cases were definitely not isolated.

"He has not moved after Wang Yiwei's car incident, right? After investigation, they will definitely leave some clues when they fight in the car."

Zhong Tianzheng lowered his head and read the results of the extracts in the car.

"Why are you thinking about extracting the information about possible remains on the car? Haven't the relevant departments already extracted it? Also, you don't need to watch this surveillance video? You've been watching it for a day."

Ah Xiang looked at Zhong Tianzheng who was crazy and said with concern: "Don't be too anxious about this case, right?"

"When I was watching surveillance videos, I kept thinking about a problem and then I found out."

Zhong Tianzheng did not take over Ah Xiang's topic, but paused the picture and pointed to the back taken from the surveillance camera.

Watch from the video.

This person has a slightly hunchback.

On his left hand, there was a lit cigarette.

This is the only action of the man recorded in this surveillance screen.

Zhong Tianzheng's voice was not loud, as if he was talking to himself: "You said, why did he hold a cigarette with his left hand in his smoking?"

"ah?"

Ah Xiang was stunned.

She didn't understand what Zhong Tianzheng meant when asked this.

"What's the problem with holding a cigarette with your left hand? Isn't this a very normal thing?"

Ah Xiang thought for several seconds, but she didn't expect the meaning of Zhong Tianzheng's thinking about this question.

"No, no, this is not normal."

Zhong Tianzheng took out a cigarette and lit it for himself.

At this time, he was holding a cigarette in his left hand.

"I have seen the pictures and reports of the wound on Wang Yiwei's shoulder. Judging from the photos and the explanation given by the doctor, the inside of the wound of the knife was slightly tilted to the left and tilted to the left." Zhong Tianzheng spat out a mouthful of smoke and continued: "This shows that when the murderer held the knife, he held the knife in his right hand."

"He's not a left-handed?"

Ah Xiang was slightly stunned. She could only hear this from this sentence and defended her: "But what does this have to do with holding a cigarette with your left hand? Although I don't smoke, there is no obvious difference in which hand to use to hold a cigarette in my impression? It has nothing to do with your usual hands."

"This is what everyone ignores, this is a small detail that no one will notice."

Zhong Tianzheng grinned and explained in a steady tone: "It's like saying that I'm sitting in front of the computer now. When I watch the surveillance, I may use my right hand to control the mouse to control the progress bar, so I habitually use my left hand to hold a cigarette."

"But, if it is in daily life, when we are relaxing and even when we walk, when we don't need to do anything with our right hand, we will habitually use our right hand to pick up cigarettes. Have you noticed this?"

Zhong Tian was focusing on explaining the difference between smoking and using his left and right hands.

"ah?"

Ah Xiang seemed to have some insights and frowned and thought.

"Remember, your dad or your grandfather, when they usually smoke, do they use their right hand to hold cigarettes when they don't use their right hand?" Zhong Tianzheng induced him and continued: "Let's talk about Liu Wentao, he smoked twice in a row, did he use his right hand to hold cigarettes? I must have used my right hand to also."

"When you say it, it seems that this is really the case!"

Ah Xiang suddenly woke up, and Shui Lingling's big eyes widened: "In other words, the action of smoking and picking cigarettes has nothing to do with her usual hands. Picking cigarettes with her left and right hands is a very habitual action. She only holds cigarettes with her left and right hands when she needs to do other things with her right hands."

This is a very neglected and very insignificant little detail, and there is no obvious distinction between hand-holding cigarettes.

"That's the reason."

Zhong Tianzheng nodded knowingly: "Although this is just an inconspicuous action in daily life, it is indeed a small habit that everyone will have."

"For example, when mobile phones were just developed before, when everyone was in the bathroom, they would definitely look ahead or look around when they were squatting in the toilet. More people must have seen shampoo or shower gel placed directly opposite their bathrooms to see their formula?"

In order to show his foothold, Zhong Tianzheng confirmed again: "Besides, when we chat on WeChat at night, as long as you tell me that you are going to the bathroom, I can immediately think that your elbows must be supported on your thighs, and you use your left and right hands to chat with your mobile phone. If you are reading novels, it is very likely that you will hold your mobile phone with one hand and click and turn the page with your thumb."

“Totally correct!”

Ah Xiang's voice has increased a little.

only.

When she looked at Zhong Tianzheng, her eyes became a little weird and... alert?

Zhong Tianzheng felt something.

He immediately rolled his eyes and responded.

"You have said so much just now, and it fully verified the strangeness of the scene that the man was photographed by surveillance when he left." Ah Xiang took the topic and began to analyze: "From the analysis of Wang Yiwei's wound, it can be concluded that the murderer's habit of using his hand is also his right hand, so his habit of picking up cigarettes when smoking will be in line with the habit you just mentioned."

"Why didn't he use his left hand to hold a cigarette?"

Zhong Tianzheng added: "There are very rare times, even if you don't use your right hand, you may habitually use your left hand to hold a cigarette."

"Putting aside a very rare situation, there is only one explanation."

Ah Xiang hit the nail on the head: "Although we don't have a fight scene, we can imagine that when he attacked Wang Yiwei in the car, Wang Yiwei must have resisted. In the middle of the resistance, the murderer's left hand was also injured!"

"Ideally, this is why, when he left, he did not use his right hand to hold the cigarette while smoking."

"Um."

Zhong Tianzheng nodded meaningfully.

Ah Xiang's statement is completely correct.

The murderer must have been injured in the car.

"So, you asked to search Wang Yiwei's car again. If he was injured during the process, there would be blood stains or wounds on his arms."

"Yes."

Zhong Tianzheng snapped his fingers and grinned: "But I think it's unlikely that he will leave blood in the car."

"You can guess this?"
Chapter completed!