On the other hand, Gao Mu doesn't know about Sato's being taken away by Gao Cheng for protection. He devotes himself to asking the relatives of the victims one after another, together with Conan and Bumei, who are on the bus. The young detective group only has Xiao AI, who is away because he wants to go home to cook for Gao Cheng.

This will make Gao Mu feel very tired. There is no Xiao AI who likes poisonous tongue. It's hard for a few bear kids to deal with it. Fortunately, in addition to Conan, the others are willing to stay in the car.

"The last thing I want to see is Mr. Yonggui, the son of lawyer wojing, who was killed five years after the murder 20 years ago."

Takagi has seen two families without any clues, and his initial enthusiasm has been wasted.

Originally, Sato said that he would go to the hot spring with him to solve the case, the kind of two people together

"At the time of the incident, Mr. Yonggui, who was only 10 years old, was taking a nap in his room. He woke up after hearing his father's scream. However, from ordinary people's departure to his mother's shopping home, he was afraid to hide in his room and did not dare to go out..."

"Maybe it would be better to listen to his mother." Conan suggested.

"No way. Mrs. wojing is still in the hospital. It seems that Mr. Yonggui lives at home alone."

Yonggui, 25, is the son of the victim's lawyer. His eyebrows are thick and short, and his chin is full of mustache. He looks very annoying. When he sees Gao mu, he really loses his temper. In the end, he drives Gao Mu away without saying anything, and even fails to enter the door.

"Er," Takagi drove away awkwardly, "he didn't seem to be such a person before. The police officer said that he would take the initiative to tell the police whenever he thought about the situation at the time of the incident or the strange words his father had said. He ran to the police station many times..."

"Strange words?" Conan felt closer to the truth.

"Yes, most of them sleep until noon on Sundays, and they always murmur after getting up," my parents were hit and flew last night. It's amazing "... It seems to say that..."

"Is it?"

The corner of Conan's mouth rose and he began to laugh.

"I finally know... The connection between the four victims is mahjong!"

……

Osamu Machi mahjong hall, Gao Cheng and Sato police officers out of the door, back to the car.

Fortunately, the mahjong hall was still there, and the store manager recognized the four people who played mahjong together.

Doctors, associate professors of science and engineering, new lawyers, and college students studying criminal psychology, four people of different ages get along quite well. Every Saturday at ten o'clock in the evening, they gather in the mahjong hall to play mahjong, and they always like to reason about real cases, and their reasoning is quite accurate, so the boss is impressed.

However, four people only played mahjong together for two years. Since the topic of "complete crime", only Pingdong, who was a college student at that time, came over after a period of time and sat in front of nobody's table slowly wiping mahjong cards.

The boss seldom read the news, and did not think that all the four people in those years were killed. When asked by officer Sato, he provided a clue to a suspect.

At that time, there was a guest who often criticized the reasoning of the four people. Because he said that the four people still complained, when Pingdong was alone, Pingdong had a fight and even yelled to kill all four people.

The store manager didn't remember each other's name, but the fight was very serious at the beginning, tables and chairs were thrown around, so both of them were taken away by the police of the nearby police station.

"I found it," Sato said after finding the records of that year in the police station. "Mr. hepingdong quarreled that the one who was taken away by the police was GUI Baodu Lang, who had no fixed residence or fixed occupation... It was GUI Baodu Lang, the robber, who just finished his 15 year sentence and got out of prison a few days ago!"

Sato looks at Gao Cheng with excitement in his eyes.

In this way, it makes sense. The reason why there are no serial murders in 15 years is that the prisoners have been in prison for 15 years because of robbery and can't do it.

Moreover, according to the manager of the mahjong hall, a strange person called the mahjong hall just the other day, as if to confirm whether the remaining person was a criminal psychologist before killing.

After 15 years in prison, GUI Baodu Lang, who has been isolated from the outside world, is very consistent

Gao Cheng frowns as he looks at the records on his hand.

"It seems that the prisoner is really this guy called Guibao, but... The prisoner is not him."

"Why? It is not impossible that Mr. Pingdong's death information could not have been forged by the prisoners, if.... "

"That's even more impossible. The prisoner is a very cautious person. He won't leave such a big loophole. He kills people just after he gets out of prison, and there's no reason for such a person to talk about LetItBe, let alone cry..."

Gao Cheng thought left the police station at a high speed, even after Sato yelled.

"Chenghu, what's the matter?" Sato followed Gao Cheng on the bus in a hurry.

"It's not Guibao who called mahjong hall," Gao Cheng said seriously. "The reason why he asked" it's not because the murderer was in prison, but because he didn't know the terms of mahjong until 15 years later. It's only after 15 years that he recognized the original prisoner by voice. The letter behind Mr. Pingdong is not n, not because the murderer didn't want to carve, but because he couldn't, Because it was originally to hide the long scar on Mr. Pingdong's back

"That's why we cut Z in the middle."“ What's going on? " On the other side, Conan's face changed slightly. "Is this case..." "this is revenge for the 15 year incident. The one who killed Mr. Pingdong should be Mr. wojing Yonggui who hid in his room and only heard the voice of his father's enemy."“ It's the same kid I used to be! " Sato exclaimed, "but where's the ghost protector? Now we can't be absolutely sure... "Of course, guibaodulang can investigate, but now as long as we go to Guojing's house again, there should be results." Gao Cheng has collected all the clues in his heart. There is no mistake in reasoning, and the only thing missing is evidence. But if there is no accident, this case should be over. He is still a little confident in his reasoning... "We have been to Mr. Yonggui's house," Gao Mu said bitterly, "but Mr. Yonggui refused to say anything, and he was totally two people when he was a child." It's over. Sato will solve the case first. The hot spring is gone