Chapter 1321

Hayden was sitting in the police chair, his right leg jerking. His right hand held a football tightly, and there was still wet soil on the football.

Hayden was called back by his mother during training. After leaving the training ground, they drove to the police station, and then his mother took notes.

The police station was busy. Hayden looked around and saw busy figures.

Hayden was a bit boring and nervous. He didn't know why he came to the police station. However, it was not a small matter to see his mother's mood.

This reminds Hayden of the last time he came to the police station. It was ten years ago. His father met a burglar at home. After a fight, he was stabbed to death by a kitchen knife. The family had to take a police car to the police station on a cold winter day.

Hayden suddenly remembered that he was called out when he was playing football.

He can't remember whether he was holding the football at that time. However, Hayden hated the connection between football and the police station.

Hayden suddenly threw the football out as if he had been scalded.

"Hey, don't play football in the office." The busy policeman behind his desk raised his head and yelled. He was too busy to educate the teenagers. He stretched out his foot to pull the football under his desk and went on working.

Hayden didn't want the football any more. He stood up and looked blankly at both sides. He didn't dare to walk, so he stood on the balcony to blow.

There are already several policemen smoking on the balcony. They see that Hayden has no family background. They draw out their own cigarettes and light them without saying a word.

This is the Swedish culture. Smokers smoke together, but they don't have to chat. Moreover, they always smoke separately, rarely pass cigarettes, and even don't lend lighters or help others light cigarettes.

Hayden stood arm in arm in the cold wind to cool himself.

I don't know how long later, when the balcony door opened and closed, a voice suddenly came out: "Hayden... Hayden!"

"Mom?" Hayden came out of the balcony and saw his anxious mother.

"Hayden, come here." There were some signs that her makeup had been diluted on her mother's cheek, which was obviously crying.

Hayden, surprised, ran over and asked, "what's the matter?"

"Your father's killer has been found." The mother saved her son's shoulder and sobbed.

When the police around heard the sound, they just looked back and didn't say much. In the past two days, they have seen more similar situations.

Hayden's lips were very dry, and his throat was tight. "Who is it?" he asked

"I'll let the officer tell you." The mother shook her head and walked forward with her son in her arms.

Hayden is 17 years old. His broad shouldered mother can't hold him at all, but his pace is bumpy, almost falling.

"Officer fox, this is my son." The mother sat down with her son and said, "please tell him about his father."

"Of course." Fox looked down at the file and said, "Hayden, can I call you Hayden?"

"Yes." Hayden looked at the dignified police officer with little spirit.

Fox nodded and said, "Hayden, our Stockholm police department has mastered a new technology called PCR. Have you ever heard of it?"

Hayden shook his head.

"He spent most of his time playing football," his mother said

Fox nodded and said: "PCR is a means to identify DNA. DNA is a genetic factor in every human body. In short, if we can get a cell, we can determine whether it belongs to you. Moreover, the current technology can check the cells that have been used for a long time... "

Hayden was a clever boy. He immediately woke up and cried, "my father's ring, his ring, mom... Dad hit the murderer at the beginning, and his ring had the murderer's blood on it."

"I know, I know." The mother comforted her son and said, "I gave the ring to the police a few days ago. When I watched the TV news before, I saw the case of Marler and thought about it. "

When the burglary happened in those years, his father resisted as much as possible. His right hand with the ring hit the other side and probably broke the other side's face. Maybe it was because of the hurry or the murderer didn't see the value of the graduation ring and didn't take it away.

The mother then took the ring away and did not clean it, which gave the police a chance to collect the DNA evidence on it.Mother explained, but there was no relaxed expression on her face.

Hayden didn't pay much attention. He turned to the police and said, "you found the killer, didn't you? Through the ring? Whose DNA did you compare? "

"Hayden, listen to the officer first." Mother stopped him and handed him a glass of water.

The officer waited for Hayden to calm down and said, "Hayden, according to your mother's request, I'd like to give you a detailed description of our case handling process."

"OK... OK." Hayden was stunned by the seriousness of the police officer.

The officer coughed, looked down at the dossier and said, "Hayden, first I'll tell you something about PCR technology. First, PCR can't directly find the murderer. It can only compare whether two DNA are consistent or related, just like fingerprints. We can compare the fingerprints left at the scene with the fingerprints of the suspect. If they are consistent, we know we have caught the wrong person. If they are inconsistent, we know we have caught the wrong person, but we don't know who is right. "

"Didn't you catch the murderer?" Hayden doesn't understand.

"Listen to me for details." The officer looked up into Hayden's eyes and said, "Hayden, we don't have a lot of DNA information available for comparison at present, so we didn't find a clear suspect in the first comparison."

Hayden was suspicious.

"But we did find something." The officer coughed and said, "do you remember what I just said? PCR can be used to compare whether two DNA are consistent or related? "

"Yes."

"After comparing the bloodstains on the ring, we did find a situation... Well, we found that the DNA on the ring is similar to the DNA on the blood coat left by your father."

As the police officer said, the mother looked closely at her son.

"What does that mean?" Hayden instinctively felt that this was not good news.

The officer sighed and said, "the DNA on the ring belongs to your father's half brother."

"Uncle Nelson?" Hayden exclaimed in surprise. His father had only one brother, and even more, only one half brother, who was taken by his grandfather's wife after his divorce. The two families still had contact with each other and walked frequently.

"It's not sure yet. Our colleagues are investigating. Now Mr. Nelson has been called to the police station The officer answered in a low voice.

To him, such a case is not surprising. The two brothers were so dirty that one died and the other caused false burglary. It seems easier to understand in the era of better public security.

The only thing that is not easy to understand is that PCR can determine the brotherhood between the murderer and the dead. It took a long time for the police officer to accept this fact. As for the principle, he was not very clear.

Hayden and his son huddled together and began to cry. The emotion hidden in the chest, once released, is like a lake blocked by a dam, which is hard to stop.

The police stood up quietly, did not speak, just left two people in the room.

He has more work to do today.

The entire Stockholm police have a lot to do today.