Every case has its motive for committing the crime.

When Xu Lang came to the morgue, he pushed open the door, and a cold and damp air blew in his face, Xu Lang habitually squinted his eyes, and then closed the door, and saw Ye Xuefei wearing a white coat, wearing a hood and gloves, standing on the dissection table with a scalpel, and dissecting the corpse.

Xu Lang walked over and took a look, and found that the deceased was the body found on Baima Road this morning, the deceased was lying naked on the planing table, the deceased was pale, there was a big wound on his neck, and the knife inserted in the neck had been taken off by Ye Xuefei.

Xu Lang took a look at the corpse and found that in addition to a fatal wound on the neck, the nails of the deceased's right hand were all broken, some of the nails had been turned up, and the tender flesh under the nails could be seen, and the deceased had a large number of tattoos on his body, a scorpion was tattooed on the tiger's mouth on his right hand, a star pattern was tattooed on his neck, a rose was tattooed on his chest, and a string of letters was tattooed on his collarbone. A T-shaped pattern was also tattooed, and at the ankle of the deceased, two butterfly-type patterns were tattooed.

Seeing the tattoo on the deceased's body, Xu Lang sighed.

"At such a young age, why do you tattoo so many messy things?"

Hearing Xu Lang's voice, Ye Xuefei, who had been observing the neck of the deceased, finally raised her head, first frowned, and then after seeing that it was Xu Lang, she asked, "Why are you here?" ”

"Why can't I be here?" Xu Lang asked rhetorically.

"This corpse is a case of the first criminal investigation team, not under the control of the second criminal investigation team?" Ye Xuefei asked suspiciously.

Xu Lang didn't explain anything, but asked, "Where are the other four corpses?" ”

Although Ye Xuefei wondered how Xu Lang could meddle in this case, she still put down her work, walked to the refrigerator, and opened four freezers in a row where the corpses were placed.

Xu Lang put on a pair of gloves and a mask, walked to one of the freezers, opened the bag, and examined the wounds and body of the deceased, as if looking for something.

"What are you looking at?"

Ye Xuefei couldn't help but ask when she saw that Xu Lang had been touching her body.

Xu Lang didn't speak, and soon, Xu Lang saw a tattoo at the ankle of the deceased's body, which was in the shape of a butterfly, and then Xu Lang went to check the next corpse, and at the location of the ankle, the same tattoo was also found, and then Xu Lang went to check the remaining four corpses and found that there were similar tattoos on the deceased's ankle.

Xu Lang pushed the freezer back, looked at the corpse on the dissecting table, and asked, "Did you find anything?" ”

Ye Xuefei was stunned for a moment, then understood what Xu Lang meant, pointed to the ankle of the deceased on the planing table, and said, "You said this tattoo?" ”

Xu Lang nodded.

"I found it, I found it when the second body was brought in." Ye Xuefei said.

"What do you think?"

Ye Xuefei shook her head and said: "Young people nowadays like tattoos, and this kind of tattoo is very common in tattoo parlors. ”

Xu Lang touched his chin, turned his head and said to Ye Xuefei: "Let's go, go to the conference room for a meeting." ”

"Meeting? What kind of meeting? Ye Xuefei asked puzzled.

"Case analysis meeting, let's go."

After speaking, Xu Lang took the lead in walking out of the morgue, Ye Xuefei also took off her clothes, followed out, and the two of them went to the conference room together.

When Ye Xuefei and Xu Lang walked into the conference room together, they found that not only Wu Yong's first criminal investigation team was in the conference room, but Ning Yanran's second criminal investigation team was also in the conference room.

After Xu Lang walked in, he ignored these, sat directly on the main seat, looked at Wu Yong, and said, "Let's talk about the specific situation." ”

Wu Yong had a dark face and nodded at a case officer of the first criminal investigation team, who immediately stood up and began to report the case.

The first case, the deceased Pi Ruyu, Chinese New Year's Eve, the owner of the Caihua Road department store, divorced, no children, the body was found in the Caihua Road public toilet at five o'clock in the morning on June 10, the police were called by a cleaner, named Lu Ruhua, 48 years old this year, she was cleaning the public toilet in the morning, and found the deceased in the last toilet cubicle of the public toilet.

The deceased was sitting on the toilet at the time, his pants were down to his knees, and he seemed to be preparing to go to the toilet, the cause of death of the deceased was that a sharp weapon cut the major artery of the deceased's left hand, and he died of shock due to excessive blood loss, and the murder weapon was on the deceased's right hand, and no traces of a fight were found at the scene, but a bloody 'S.U.E' symbol was left on the toilet door opposite the deceased.

Except for a mobile phone and a pack of toilet paper, no other items were found on the deceased's body, and the platinum necklace around the deceased's neck and a platinum ring on his hand were still there, which did not look like a robbery and murder.

After the autopsy was found, it was preliminarily inferred that the time of death of the deceased was around 12 o'clock in the morning on June 10, and the deceased was not sexually assaulted before his death, not rape and homicide, but in the deceased's body, the composition of ethanol was found, indicating that the deceased was stunned with ethanol before his death, and in addition, the deceased's tongue was cut off.

According to the investigation of the surrounding residents, the grocery store opened by the deceased Pi Ruyu closed at 11 o'clock every night and opened at 9 o'clock in the morning, and his family lived near Caihua Road.

The investigation of the deceased Pi Ruyu found that the deceased was a woman with a very pungent personality, married to her husband for less than three years, because of the disagreement between the husband and wife, the two divorced, according to the surrounding shop owners, Pi Ruyu is a very gossipy woman, especially likes to inquire about other people's privacy, often because of a trivial matter, and the customer who goes to her store to buy things has a quarrel, so the people who go to her store to buy things are very few.

After listening to this, Xu Lang asked, "Have you done an investigation on the husband of the deceased?" And the emotional experience of the deceased and the social network to do the investigation? ”

The police officer who told the case was called Bao Chen, and his colleagues added him to Lao Bao, who is twenty-seven years old this year, has been engaged in criminal police work for six years, and belongs to an old criminal policeman. ”

"Tell me about it." Xu Lang said.

The husband of the deceased Pi Ruyu is called Kong Ruili, and he is also a self-employed owner, but he is not in S City now, but after divorcing the deceased, he left S City and opened a department store in F City, Kong Ruili's parents left early, leaving him alone, since he divorced Pi Ruyu, he has never returned to S City, he has always been in F City, during Pi Ruyu's death, Kong Ruili has been in the field, and the people around his store can prove it.

In addition to having an ex-husband, Pi Ruyu also has three love histories, except for one of them in S City, the other two are out of town, Bao Chen They also visited these two people and found that they also had the time and motive to commit the crime.

Now the man in S City is called Li Maoqiang, he is engaged in market wholesale, most of the goods in Pi Ruyu's store are imported from him, this man is a boyfriend that Pi Ruyu renegotiated after the divorce, Li Maoqiang is forty years old this year, he has also been divorced once, and has a twelve-year-old child.

After some visits and investigations, it was found that on the night of the crime, Li Maoqiang was playing mahjong with others, and many people can prove it, and Li Maoqiang was very lucky that night and won a lot of money.

In the investigation of Pi Ruyu's emotional history, they all reflected that Pi Ruyu is a woman who likes to chew her tongue behind her back, and she speaks very harshly, but she is a good hand at doing things, and the reason why they broke up or divorced Pi Ruyu was because they couldn't stand Pi Ruyu's bitterness.

As for Pi Ruyu's social network, it is very huge, there are too many vendors who buy goods, owners of nearby shops, neighbors of the units where they live, and customers who often come to buy goods, but they all reflect that Pi Ruyu is a very harsh woman.

"Has there been any investigation into the informant Lu Ruhua?" Xu Lang asked.

Bao Chen nodded and said, "Yes." ”

Lu Ruhua is 48 years old this year, has been engaged in environmental protection work, mainly responsible for the environmental protection and sanitation of the section of Caihua Road, she and her husband are environmental protection workers, the two have a son who is in college, and now he is studying at S University in S City, on the night of the crime, Lu Ruhua and his family are sleeping at home, and their neighbors and landlords can prove it.

Hearing this, Xu Lang nodded, and then asked, "You just said that the deceased's tongue was cut off?" ”

"Yes."

"Did you find a severed tongue at the scene?" Xu Lang asked.

Bao Chen shook his head and said, "The severed tongue was not found at the scene. ”

Xu Lang frowned, where will the severed tongue go? Then Xu Lang looked at Ye Xuefei and asked, "Are the tongues of the other corpses there?" ”

Everyone's eyes looked at Ye Xuefei, and Ye Xuefei said slowly: "The bodies of the five corpses have been cut off. ”

"Didn't you find any of your severed tongues?"

Xu Lang looked at Bao Chen, and Bao Chen nodded.

"Let's talk about the second case."

The second victim is named Yu Xinying, 16 years old this year, a freshman student, at 6 o'clock in the morning on June 15, a woman who went to the toilet, saw when she went to the toilet, the deceased was stuck in the toilet flushing tink, Bao Chen When they arrived at the scene, it took a lot of effort to get the deceased out of the toilet, that day happened to be the day when Xu Lang came to the Public Security Bureau again, when Xu Lang also met Wu Yong, Wu Yong was a smell of human excrement mixed together.

The deceased's neck had deep strangulation marks, and after an autopsy, it was mechanical asphyxiation, and the murder weapon of the deceased was the deceased's schoolbag belt, and the schoolbag was also found in the trash can outside the toilet, and the composition of ethanol was also found in the deceased's body.