At this time, the people were standing by the river, and there was no gravel nearby. I saw faint footprints on the ground near the bag.

"Bao Zheng is a special police officer, he is usually used to exercising, although he doesn't look fat, but he is actually very heavy, Bao Zheng, tell everyone about your current weight."

"Seventy-eight kilograms."

Fang Lubai snapped his fingers: "Since several of us have been discussing the case, standing in one place for a long time will naturally have footprints on the surface after a long time. ”

"What does this have to do with the height and weight of the killer?" Lu Zhu asked Fang Lubai with a puzzled expression.

"Have you forgotten the blood on it?"

Everyone was still confused, but after Lu Zhu listened, he was like an initiation, and he casually pinched up a lump of soil.

"Clever." Fang Lubai looked at Lu Zhu's movements and praised him.

"Because of the humidity around the river, there will be more or less moisture in the soil. Judging from the blood droplets on the stone, the murderer dragged Chang Ying to this vicinity, worried about leaving a large trace, so he put Chang Ying on his shoulder, Chang Ying weighed more than 40 kilograms, plus his weight, but there were no footprints, so it can only be said that the murderer was a taller and thinner person, plus he walked fast, so he did not leave any footprints. ”

"He should be about 1.85 meters tall and weigh between 55 and 60 kilograms." After Lu Zhu threw away the soil in his hand, he said to Fang Lubai with an affirmative face.

"Gu Na, if you search in the public security system, the prisoners who are about 1.85 meters tall should be able to find out all the prisoners who meet the characteristics within ten years." After thinking for a while, Fang Lubai said to Gu Na, "By the way, contact the two nearby cities and screen their information together, the prisoner can find this kind of hidden place to dump the body, it is likely that the people in the neighboring city are running around to commit the crime." ”

After Gu Na wrote down all the key points in the notebook and asked if there was anything else that needed to be added, Fang Lubai thought for a while and added: "The focus of the investigation is on drug addicts and brawl criminals, and there is a high possibility that they will commit mobile crimes." ”

At this time, the sun was about to set, and everyone returned to the car, preparing to return to the city bureau to screen suspects, but Fang Lubai sat in the car and was stunned.

"What are you thinking? Is there any doubt that has not been resolved? Chang Qingshan saw Fang Lubai's solemn face, and he was a little puzzled.

"I care about what the scissors on Chang Ying's chest represent, and he lacks too much blood in his body, these are all suspicious points, but what I care about the most is where the blood in her body goes?"

"There is no trace of blood anywhere else by the river except for the blood found on that stone, which is indeed a bit strange, could it be that the murderer collected the blood and finally circulated it into the black market?" Chang Qingshan asked Fang Lubai uncertainly.

Fang Lubai shook his head: "No, if it is to resell blood, he can pick the organs in Chang Ying's body, which is much more valuable than blood." ”

Hearing this, Chang Qingshan laughed: "You haven't been in the country for too long, so you don't understand the operation of the underground market." Something like an organ, although it is very valuable, but there are too few people who can get a suitable ligand, if it is not handled properly, those organs that are removed are a pile of waste, so now there is basically no case of killing people to buy wheat organs, but blood is different, plasma has a wide range of uses, and the market demand is very large, the risk is small, and the sales channels are the characteristics of reselling plasma, but generally no one will kill people because of reselling plasma, because there are not a few people who peddle their blood on the black market every day. ”

After Fang Lubai heard what he said, he also shook his head, and then poked his eyes out of the car window, looking at the dotted lights in the distance, thinking about those two doubts in his mind.

After an overnight screening, a total of five people met the characteristics of height, but none of them met the weight characteristics.

"Didn't Lu Zhu deduce the weight of the murderer? Why not take weight into account? Looking at Fang Lubai next to the computer, Saturday asked him with a puzzled expression.

"These people have all gone through labor camps in prison, so most of their weight will change, but their height will not change. And there will be no change in the height of the murderer. ”

Looking at Fang Lubai, who had a confident face, he skipped this topic on Saturday: "The test report of the bloodstains has come out, it is indeed Chang Ying's bloodstains, since he has found the first drop of blood, why does he leave the second drop of blood?"

Although Fang Lubai had already given a reason, Saturday was not very convinced by that reason.

"Didn't I already give a reason?" Fang Lubai raised his eyebrows when he saw that Saturday was questioning the summary just now.

Saturday glanced around, saw that no one was paying attention to the argument here, and whispered, "I always feel that you have something to hide from us!"

"What can I hide from you? I think you're thinking too much, so let's sort out the autopsy report quickly!" After Fang Lubai packed his schoolbag, he walked outside.

"Is it really that I'm thinking too much?" Saturday pondered for a moment, then shook his head: "Why do I think so much?" Let's go for an autopsy!"

Fang Lubai came to Wu Wenhui's office with his bag on his back, and found that Wu Wenhui was arguing with Deputy Director Tan about something, and after a while, Deputy Director Tan walked out of the office. When he pushed open the door and saw Fang Lubai standing outside the door, he shook the door angrily.

"Wu Bureau, what happened to Tan Bureau? Why is it so angry? Fang Lubai looked at the figure with trepidation until he disappeared around the corner.

"It's nothing, it's just that there is a case without thoughts, and Lao Tan has a temper. What are you looking for me for? ”

Fang Lubai raised his backpack and said, "I was in a hurry to go back to Normal University last time, so I have some questions I want to ask my teacher, plus the case that happened this time, I want to go back to Normal University and ask him some questions."

Wu Wenhui directly agreed to Fang Lubai's request, and Fang Lubai didn't stop, he directly said goodbye to Wu Wenhui, and was about to stop a car on the side of the road and go to the Normal University.

But after waiting for a long time, no taxi passed by the police station, but several private car owners enthusiastically asked Fang Lubai where he wanted to go.

After hesitating for a moment, Fang Lubai planned to take a car to the Normal University, and then explained the location.

"Thirty." The man took a puff of his cigarette and looked at Fang Lubai with a smile on his face.

Looking at the crowd in the bus stop behind him, and then at the man with a treacherous face, Fang Lubai was angry.

"Your car is not a serious taxi, you dare to blatantly pull people to make money, you are driving a black car!"