This knife was the murder weapon used by the criminals.
The fingerprints that were extracted from it were very likely left by the other party.
If he was sure, he could go straight to the main point and determine who the murderer was.
Of course, it was also possible that they would not be able to find out anything, which would lead to more misleading information.
The deceased's son, Qian Yuzhong, who was about twenty-five or twenty-six years old and had a moustache, became even more excited.
"Officer, can we catch the murderer immediately?”
His emotions were on the verge of breaking down, and he actually began to talk to himself.
"I originally told my mom to close the mahjong hall after this year and bring her to my house to live with me.”
"I've already bought a bigger house! The renovations were already done and they were just waiting for people to move in!”
"I didn't expect this!"
"I really didn't expect it! Such a thing actually happened!”
"That damned thing, why did you kill my mother?”
The old criminal police officers had encountered many similar breakdowns in the process of handling cases.
Although Lin Tianyi, Wang Hongfei, and the others had rarely seen it, they could definitely understand.
And it was really heart-wrenching.
A son wanted to raise his parents but his parents did not wait. This kind of feeling, one did not need to empathize with it to know that it was very painful!
Wang Hongfei gritted his teeth and said to Qian Yuzhong," Don't worry.”
"We will do our best to find the murderer as soon as possible. We won't let him escape!”
Wang Hongfei used professional equipment to copy the fingerprint.
He also began to contact the relevant departments of the Criminal Investigation Division and asked them to search the fingerprint database to find out who the fingerprint corresponded to.
Lin Tianyi and the others continued to search the scene.
" The ground is in a mess. It's not realistic to extract useful footprints. We can give up on this idea.”
Lin Tianyi thought to himself.
He went to the shabby bathroom on the first floor of the mahjong hall.
He checked carefully with a flashlight and found some blood dripping in the sink.
Lin Tianyi immediately took a cotton swab and collected some blood.
He was prepared to take it back for DNA testing.
After all, judging from the mess at the scene, the conflict that erupted at that time was quite tragic.
These bloodstains might have been left behind by the criminals who had come here to wash their bodies after they had committed the murder.
If there were criminal blood stains, it would be quite helpful for investigation.
After checking the situation in the bathroom, he heard the voice of the old criminal police officer Zhou Yang coming from the second floor.
"The top drawer was pried open, but the other things were not rummaged through. The other party's goal is quite clear.”
Lin Tianyi quickly went upstairs with the deceased's son, Qian Yuchen.
The furnishings on the second floor were especially simple. There was a bed and a table with a drawer beside it.
There was a metal box on the table. At this moment, it was also in a state of being pried open.
"The murderer might be an acquaintance of the boss.”
"He came straight here."
Lin Tianyi said.
He then asked Qian Yu Zhong," Is that metal box where your mother kept the money?”
"How much is it?"
Qian Yuchen immediately replied," Yes, it's where my mother keeps her money.”
"Also, she's used to keeping some change in her drawer.”
"In terms of money, it's about two to three thousand when it's low, and six to seven thousand when it's high.”
As he said that, he saw that Qian Yuzhong was anxious again.
"If he killed someone just because of this little bit of money, isn't his f * cking brain too sick? This is really too unjust!”
At this time, they were in the middle of a case, so Lin Tianyi did not calm Qian Yuzhong down.
He started to communicate with the old criminal police officer, Zhou Yang.
"I saw it just now. There are no fingerprints on it. This suspect should have come prepared.”
Lin Tianyi nodded.
He quickly made a judgment based on the information he knew.
Then, she heard him suddenly ask Qian Yuzhong," What time does the mahjong hall usually close?”
Qian Yu immediately replied," Usually around 11 or 12 pm, my mom will start cleaning.”
"Any guesses? If you can tell me, I might be able to help you remember something!”
Lin Tianyi thought for a moment and looked at Zhou Yang.
The other party was an old criminal police officer. Although he might not be too good at handling cases, he was more experienced.
Zhou Yang nodded slightly, indicating that he could speak his judgment in such a situation to discuss with the family of the deceased.
From there, he could obtain more information about solving the case.
Lin Tianyi knew what was going on.
Moreover, through the system, he was very sure that Qian Yu was not the murderer.
Then they could communicate more.
He said," What I'm saying now is just some guesses.”
"Judging from the usual closing time of your mother and the time of death, the suspect probably came at around 11 p. m., when your mother was about to close the door.”
"The four mahjong tables near the entrance did not shift, which means that the conflict did not break out there.”
"In addition, the suspect has a strong motive. He took the money without rummaging through it, which means that he is familiar with this place and your mother.”
"Based on these conditions, the suspect may be a regular player who comes to play mahjong.”
"It's also possible that he's an acquaintance of your mother's.”
"Can you think of anyone who is familiar with your mother, but who has conflicts with her?”
Qian Yuchen was stunned for more than ten seconds before he said with difficulty," I don't think there's such a person…"
"My mother has always been a person who values harmony. And she's kind. The people around her should have a good impression of her…"
Lin Tianyi asked," What about the people who often come here to play mahjong? Did anyone feel that they were not decent people? The kind that is more greedy?"
This question really stumped Qian Yuchen.
Qian Yuzhong usually did not participate in the mahjong hall, so he really did not know much about it.
Seeing his expression, Lin Tianyi did not ask any more questions. He discussed with Zhou Yang." Let's visit the neighbors."”
At this moment, Wang Hongfei's voice came from downstairs.
"Elder Lin, come here. The fingerprints on the murder weapon, the kitchen knife, have been found.”
Lin Tianyi quickly went downstairs.
Qian Yu Zhong and the old criminal police officer Zhou Yang also came down.
Wang Hongfei whispered a few words into Lin Tianyi's ear.
"After searching through the database, the fingerprint left on the kitchen knife belongs to this Qian Yuzhong.”
"Do you think it's possible that this kid is acting with us?”
"In fact, he killed his mother!"
This book comes from：m.funovel.com。