First of all, although there was no cash in Du Anping's home, an imported camera and a jade bracelet were found in the secret box in the wardrobe.
If he really had no money to live on, he could just sell one of them and live without any pressure for ten years.
Secondly, if the person really committed suicide by taking rat poison, there should be a container for the poison at the scene, and even a piece of toilet paper should have been left behind, but no toilet paper stained with rat poison was found at the scene.
Finally, he found a monthly ticket stub for an underground dance hall in Du Anping's pocket. There were two holes punched on it, indicating that he had been there for two days. Why would a penniless person who wanted to commit suicide spend a lot of money on a monthly ticket that only allowed him to go there twice?
Based on the above reasons, Gao Huanyu believes that Du Anping did not commit suicide, but was murdered by poisoning.
After listening to his analysis, Liu Jun also felt that there was some truth in it.
The motives for murder are nothing more than money, love killing, revenge killing, and they can be investigated one by one.
Although no cash was found in Du Anping's home, the expensive camera and jade bracelet in the cabinet were intact, and there were no obvious signs of rummaging at the scene, so it did not seem like a murder for money.
During the interview with Du Anping, we learned from people in the underground dance halls he often hangs out that he does not have a fixed dance partner. Every time he comes, he randomly looks for the most beautiful female partner in the dance hall to dance with. He is competitive and sometimes steals other people's dance partners, which has led to several fierce conflicts.
Therefore, Gao Huanyu and Liu Jun investigated all the people who had recently had conflicts with Du Anping, but after the investigation, everyone's suspicion was eliminated one by one.
The investigation into the motive for the murder had reached a dead end, and Liu Jun was puzzled:
"It wasn't a home invasion, nor was it a revenge killing or a murder of passion. The method of poisoning doesn't fit the description of a crime of passion. Could it be that he accidentally ate food contaminated with rat poison and died of bad luck?"
Gao Huanyu shook his head:
"Food coated with rat poison tastes unpalatable. A normal person would probably spit it out after taking a bite. It's impossible not to notice it."
Liu Jun was exhausted from this for a few days and felt a little tired:
"Neither this nor that. People like this are harmful to society when they're alive, and even more troublesome for our work when they're dead..."
Gao Huanyu curled his lips. An old policeman like Liu Jun was quite resistant to people like Du Anping and just wanted to close the case as soon as possible.
But in Gao Huanyu's eyes, the dead are dead, and he will not be treated differently based on whether he was kind and charitable or did many evil things in his life. He has only one goal, which is to find out the truth.
He thought about it and came up with other possibilities:
"There's another possibility, murder to silence the witness!"
If Du Anping knew some secrets that he shouldn't have known, and that person chose to poison and kill him to silence him in order to prevent the secret from being leaked, this assumption also has a certain possibility.
However, this would require a more extensive investigation of Du Anping's daily life, which would greatly increase the workload.
Fortunately, Liu Jun only complained verbally. He felt that Gao Huanyu was a smart young man and his analysis made sense, so he actively cooperated.
The two of them initially delineated a one-kilometer radius with the cooperative as the center, and checked everyone on every street one by one. As a result, they indeed obtained more information about Du Anping than before.
Some people say that Du Anping is just an unemployed vagrant who hides during the day and goes out at night;
Some people say that Du Anping is very rich and eats out every day;
Some people say that Du Anping is keen on photography and he is often seen going to a photo studio to develop photos.
......
But when Gao Huanyu and Liu Jun found the photo studio to find out what happened, they discovered that it was closed.
After seeking help from the Xicheng Police Station, the two soon found the home of the photo studio owner. They knocked on the door for a long time and revealed their identities as police officers. Only then did the person inside reluctantly open the door.
As soon as you enter the door, what catches your eye is packages of all sizes placed on the ground, which look like they are about to run away.
Liu Jun saw that the situation was not right, so he immediately went up and grabbed the man, and scolded him:
"Want to run?! You killed that person?!"
Seeing the police coming to his door, the owner of the photo studio was so scared that he almost peed his pants and immediately confessed everything:
"Comrade Public Security, I swear, this case has nothing to do with me. I led someone to his house on the 3rd, but I really didn't know that person was the killer!"
On that day, he heard from the neighbors that someone had died in the back street of Jin'an. He felt a pang in his heart and ran to confirm it, only to find that the blocked corridor was where he had just taken people.
The owner of the photo studio was so frightened that he thought he had led the murderer to a deadly place. He was also worried that the murderer would come and kill him to silence him. So he immediately closed the shop and ran back home to hide. After hiding for two days, he still felt unsafe and was about to pack up and go back to his hometown to hide for a few days.
Liu Jun was about to open his mouth to correct others that it was not Number Three who died, but Gao Huanyu followed up on him and asked:
"Who did you take with you, Number Three?"
Seeing that the young police officer who was questioning him had a handsome face and spoke much more gently than the old police officer, he thought he should be able to trust what he said. The boss quickly said:
"A man in his thirties, surnamed Ding. I have his phone number. He told me to call the person I saw dead when I got to the store. I thought he was just looking for someone. I had no idea he was planning to kill someone!"
When they heard about the man's phone number, Gao Huanyu and Liu Jun's eyes lit up. After investigating for so many days, they finally got a new clue.
Although Du Anping had been dead for many days on the 3rd, the fact that the man went to the photo studio to look for him showed that he had some understanding of Du Anping, and it was also a new direction for them to solve the case.
Instead of calling directly to alert the suspect, the two went to the telecommunications bureau and found out that the phone number belonged to Qiming Industrial.
This aroused the two people's suspicion even more. Qiming Industry is a well-known large enterprise in Ning City. How could it be related to an unemployed vagrant?
Gao Huanyu and Liu Jun immediately went to Qiming Industrial and quickly found Assistant Ding, the user of the landline phone.
Assistant Ding, who was initially taken back to the police station for interrogation, originally wanted to take full responsibility and not give up Qi Mingyuan. He only said that he wanted to take a photo with that person. However, he did not expect that Gao Huanyu would ask him a few questions and he was completely defeated.
He couldn't even answer the man's name. In addition, the owner of the photo studio pointed out that he had given him photos to compare. Based on the fact that the people in the photos were related to the Qi family, Gao Huanyu quickly deduced that there must be someone from the Qi family behind Assistant Ding.
After a day of intense interrogation, Assistant Ding finally told the truth.
So the scene of the Qi family coming to the door happened.
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