Today's temperature has dropped below zero, and it's so cold that people shiver when walking outside.

Jian Jing wrapped herself in a down jacket, snow boots, and a woolen hat, and lay on the back seat looking out the window.

Liang Yi's cheeks were red from the cold, but she was energetic: "Should we look for that gardening company first?"

There are several factories in the area, one of which is a gardening factory that sells potted plants. Flowers, plants, and trees collected from the countryside are all rested and potted here, and then transported to the store in the city center for sale.

Since the composition of farmland soil was detected on the clothes, it is natural to focus on this for investigation.

The location of the factory is relatively remote, and two workers are busy in the greenhouse.

Ji Feng and Liang Yi took Director Zhu's photo and asked them for information. Jian Jing took the rider, let it sniff the clothes, and strolled around.

The knight is still not very experienced in his job.

After all, half a month ago, his duty was to guard the door, but now he has suddenly changed his job and acted as a tracking dog. He can only learn temporarily.

Fortunately, because he is afraid of his master (?), he dare not be naughty and honestly follows the smell. However, it has rained recently, and the smell is already very weak. If it goes with the flow, it will be dizzy and confused.

Jian Jing saw that he was walking around in circles and knew that he was in trouble. He did not make things difficult for this poor little guy: "Go back and have a snack, drink yogurt."

The knight came back to life immediately.

Jian Jing raised his head, looked around, and sorted out the whole story of the case in his mind: On the night of November 27, Gong Lu died. In order to cover up his own murder, Zhu Guoliang decided to create a serial murder case, let his wife become one of the victims, and reduce his suspicion.

He imitated the murderers in film and television works and chose women with long wavy hair as his targets.

In order to avoid investigating the first case in detail, he had to kill the second victim as soon as possible, confuse the time of death of the two people, and reverse the order.

Coincidentally, the temperature dropped and the high-voltage power lines were disconnected on November 27, and there was a large-scale power outage in the area.

He picked up the second victim (the first body) outside the bar, and transported his wife's body away, and killed the second person somewhere.

This place must be hidden and not easy to be found.

Farm soil, cigarette ashes... Why are there such things on clothes?

Jian Jing strolled back and happened to see a truck loaded with potted plants preparing to leave. The body of the truck was shaking, and from time to time, the soil that had not been cleaned up was shaken off and scattered all over the street.

The driver was an old smoker. He opened the window and leaned out from time to time to flick the cigarette butts. The fine ashes fell and fell along the road.

Jian Jing: Hey!

She hurriedly pulled the rider and chased the car all the way.

The car passed through three intersections in total, and then turned left and went directly onto the main road.

Jian Jing stopped at every intersection and asked the rider to sniff back and forth in several directions. Since it got on clothes, it was most likely from the soles of shoes rather than tires, so the place must be nearby.

Sure enough, when the rider reached the second intersection, he seemed to smell the smell again and went into the abandoned factory next to it.

It should be here.

"Stop." Jian Jing called it to avoid destroying the scene.

The rider immediately squatted down and did not move.

Jian Jing touched its head, tied the leash to the railing on the side of the road, and handed it a bag of snacks. The rider grabbed the bag with his two front paws, tore a hole in it, and ate the biscuits with relish.

She turned on the olfactory card and went in to check on her own. There was

insufficient light inside, and there was a lot of dust. Large areas of the room were empty, except for one office, where the dust was uneven at the door.

Wearing gloves, I opened the door, and found that all the furniture inside had been moved out, and the dust was uneven in thickness.

There was a clear dent on the left wall, as if the wall powder had been scraped off by a blade or something, very obvious.

Jian Jing squatted down and took a closer look, and found that the mark was very new, and it was made recently.

Could it be that something was left behind before, and the murderer discovered and destroyed it?

"Jian Jing?" Liang Yi's voice came from a distance, "Are you there?"

"Yes," she replied, "There's something here."

Liang Yi and Ji Feng rushed in one after another, and after seeing the situation at the scene, they said, "It should be here."

"We just asked the workers, and they said that several sheets of plastic film were stolen recently." Liang Yi couldn't hide the words, and immediately told the new information, "Is it laid here, so there are no footprints?"

Jian Jing nodded, and couldn't help regretting: "It seems that there were some clues left here, but it's a pity that they were destroyed."

"What?!" Liang Yi was furious, tiptoed closer and looked for a while, wishing he could beat the murderer immediately.

Ji Feng called them: "I've called someone, you guys come out, don't destroy the scene."

The two of them left quietly and stood at the door to discuss.

"If the plastic film is laid, let alone the footprints, it will be hard to find the hair." Liang Yi was bald, "This guy's anti-detection awareness is really good."

Ji Feng was in a good mood: "Not that bad, it's dark, I don't believe he can wash it like a car, let's wait and see."

Not long after, the trace detection technicians arrived, fully armed and entered the scene, and began to search for clues.

They were fully equipped and used multi-band lights to collect a small half shoe print, probably accidentally stepped on the edge of the plastic film and left it accidentally.

Two false eyelashes were found in the corner of the wall, and a few fingernail prints were found in an inconspicuous corner of the wall.

"This is a bit strange." The trace examiner took a photo for them, "Look at the height, you can only lie down."

Several heads moved over and saw that it was indeed a few strange-shaped nail scratches.

However, the marks were different from the usual passwords. They were not numbers or letters, but in the shape of tree branches with folds and several circles, a total of four groups.

It is said to be graffiti, but it seems to have a hidden pattern, which makes people suspicious. It can be said to be a password, but I have never seen anything like it.

Liang Yi was immediately overwhelmed: "Is this a dancing little man? There are only four in total, and there is no way to decipher it."

Ji Feng: "The marks are very new, it doesn't look like they were drawn casually."

Captain Wang also took a look and sighed: "Did you watch too much "Zodiac"? " Jian

Jing paused, with a subtle expression.

Ji Feng saw it and asked directly: "Do you know the source?"

"Ahem." She cleared her throat, "This is the Rose Code, the source... uh, is the book I wrote."

Everyone else was stunned, not knowing whether to be surprised or shocked: "Is it true?"

Jian Jing: "..."

Serious criminal investigators don't read the mystery novels she wrote? Is their level that bad? I thought "Rose Gold" was very popular.

She couldn't help feeling a little embarrassed: "Really."

Captain Wang said: "Then how do we decipher it?"

"It's very simple, there is a code table, divided into three sections: top, middle and bottom, arranged from the middle outwards." Jian Jing demonstrated to them casually, "Three groups of eight letters, and the remaining two are at the beginning and end."

The final table is as follows:

.....Y....

SMGA丨BHNT

UOIC丨DJPV

WQKE丨FLRX

.....Z....

"The trunk is the center line, the crease represents the order, and the circle represents the order of spelling." Jian Jing decoded the code easily, "The code she left is 'jiezhiyongchi'."

"Amputation pool?"

"Dielectric pool?"

Liang Yi had a flash of inspiration and shouted: "Ring! Ring pool!"

"The ring is in the pool..." Jian Jing understood, "He used a bracket or an inflatable pool!" Then she tried hard to recall what Director Zhu looked like. He had a ring on his ring finger, but... it was very new. When

a man wears a ring, it is most likely a wedding ring. There is no reason for it to be so new.

Captain Wang ordered: "Search Zhu Guoliang's home to see if there is anything related to the swimming pool." "

Yes." Once the efficiency of the state machinery is mobilized, the speed is terrifying. Two hours later, the police found an old inflatable swimming pool in Zhu Guoliang's garage. It looks a bit old, but it is very clean, and you can still feel wet water droplets inside. After opening the inflation valve to inflate, something inside swayed with the movement. When it was poured out, it was an old wedding ring. There were several brown hairs wrapped around the ring, and the hair follicles were intact. And this was the death message left by the third victim. Zhu Guoliang couldn't explain why the hair of this deceased was hidden in an old swimming pool with his ring. He could only confess unwillingly and admit that he had killed four people, including Wan Yuan. The first one was his wife Gong Lu. That day, he had a big fight with his wife, and in anger he pushed his wife, causing her forehead to hit the floor and she accidentally fainted. Suddenly, he was so angry that he simply threw her into the bathtub to "wake her up" and locked the bathroom door. At that time, the water in the bathtub had already cooled down, and his wife was only wearing thin pajamas, and died of hypothermia in a coma. When he woke up in the middle of the night, he found that she was already dead. He was scared at first, and then surprised, thinking that if he got rid of this woman with a bad temper, a better life would be right in front of him. But there was a problem in front of him, that is, how to deal with the police. Then, he, who often watched American dramas, had an idea. If only his wife died, he would definitely be the primary suspect, but what if one more person died? If he fabricated a psychopathic murderer who just "happened" to choose his wife, would he be safe? Zhu Guoliang had no ability to be an official, but he had some talent for committing crimes. It only took him two or three hours to finalize the plan. It happened that the temperature dropped and it froze that day, and the circuit was interrupted. The person on duty sent him a message, which was originally to inform him of what he had to do at work the next day, but it made him think, pull out the map, and choose a suitable place for the murder. He put on a hat and a mask, parked the car far away, picked out someone who looked like his wife near the bar, dragged her into the car, and randomly found an abandoned factory within the power outage range. He took out the inflatable swimming pool he bought at home, poured two buckets of water, stripped off the girl's clothes, tied her hands and feet and threw her in, freezing her alive. The girl was still drunk and died. Zhu Guoliang first disfigured her and dumped her body outdoors. Seeing that she was wearing beautiful clothes and had obvious characteristics of a disco, he was afraid that people would guess the location, so he bought a set of crudely made clothes from a street shop and put them on before abandoning the body on the street. He hid his wife's body in the snow, and waited until the snow melted the next day before he found a way to dump it in an unmonitored demolition area. In this way, the two cases were reversed in order, and even if someone found out his identity, he would not be suspected. But two days later, Zhu Guoliang became uneasy again. If the police found that the "perverted killer" stopped after his wife was dead, it would undoubtedly add to his troubles. So he went all out and found another scapegoat. However, his wife Gong Lu was knocked unconscious and the bar girl was drunk, neither of them woke up. The third woman was a designer who worked overtime. She got off work in the early morning, but the client was making trouble, so she was still sober. Although Zhu Guoliang injected her with anesthetic, she woke up while shivering from the cold. Her hands and feet were sore and she cried for help, but she was discovered by Zhu Guoliang who was waiting outside and covered her mouth tightly. During the struggle, she pulled the ring off Zhu Guoliang's hand, held it in her palm, and pretended to be unconscious. Zhu Guoliang didn't expect her to wake up. He was startled and frightened, and didn't notice it for a while. When he realized that he had lost the ring, he looked for it again, but he couldn't find it no matter what. He didn't know that the girl opened the inflation valve, let out the air, pulled out her hair and wrapped it around the ring, threw it into the inner layer, and wrote the password on the corner of the wall as a reminder. But after doing that, she was afraid that she would be discovered so obviously, so she forced her stiff and cold body to prick her finger and scribbled a few bloody words on the wall to cover it up. Sure enough, Zhu Guoliang saw that the swimming pool was leaking and water was flowing all over the floor. When he was about to clean it up, he saw the bloody words on the wall. He didn't have time to check it carefully and quickly shoveled off the wall. At this moment, the girl, who was soaked and in a low temperature environment, finally couldn't hold on and died. Zhu Guoliang breathed a sigh of relief and destroyed her face in the same way. He waited for a while, and when he received the news of power outage, he hurriedly threw the body away. By this point, he had committed three crimes in total. He thought he had no chance of success and was about to stop. But when he passed by the 2077 bar that day, he saw Wan Yuan and thought he looked very much like his wife. He was so scared that he almost lost his mind. Once a person has committed evil, he can no longer stop.

Zhu Guoliang was frightened. Although he knew that the man could not be Gong Lu, he still tricked the drunk man into his car, dragged him to a secret location and killed him.

When the man was dead, he suddenly realized something was wrong.

Damn it, it was actually a man!