At Wang Dalu's house.
At this moment, Hao Shuai was searching Wang Dalu's house with the evidence expert.
First, he had to look for traces of blood.
After the blood fell on the ground, it could not be wiped off unless it was removed with chemicals.
Several colleagues each held a bottle of luminol and sprayed it everywhere, then shone it with purple light.
The so-called luminol was also called Luminol. It was a strong acid that had a certain irritation effect on the eyes, skin, and respiratory tract. During the examination of the bloodstains, the luminol reacted with the heme in the blood, producing a blue-green fluorescence. Luminol's sensitivity could reach one in a million. It could detect a drop of blood mixed with 999999 drops of water.
" Look, there's blood in this seat…"
Zhang Yihan was the first to find the traces. She found a 0.5 square meter blue-green trace at the bottom of the sofa in the living room. She also found a small black blood clot with a magnifying glass. Then, he found traces of impact on the corner of the sofa, and traces of coagulated blood.
He collected evidence, packed it, sealed it, and went back to do a DNA comparison to see if it was the deceased Zhang Quan's.
After finding this, he did not find anything useful in the room.
Then, everyone went to the underground garage of the community and found Wang Dalu's private car, a Mercedes-Benz. As expected, they found traces of blood.
He collected evidence, packed it, and sealed it.
Then, everyone made another major discovery in the car.
After a careful search with a magnifying glass, he found a type of cotton fiber on the car seat. It was very likely to be the residue of the rope used to tie the victim up. This thing could be brought back to the security team for material comparison. As long as the composition was comparable, it could become a strong evidence to support Wang Dalu's murder.
"Oh right, check this car recorder and see if there's any record.”
"That shouldn't be possible. Did the murderer turn on the car recorder when he committed the crime?”
After checking the car recorder, it was indeed blank during that period of time. The recorder was broken.
After collecting the evidence, the group of people went to the security team to do a test and comparison. It only took less than an hour. The cotton and linen fibers in the car were 100% matched with the fibers left on the deceased's body when he died.
The blood DNA was also identical to that of the deceased Zhang Quan.
At this moment, the first scene was confirmed to be in Wang Dalu's house.
And the murderer was about to be revealed.
……
When the evidence of blood stains and fibers was placed in front of Wang Dalu, Wang Dalu was dumbfounded and muttered to himself,"Impossible, how is that possible? There must be a mistake. Why are there these things in my car?!”
Bang!
Captain Zhang slammed the table and glared at Wang Dalu."Hmph, the evidence is conclusive. What else can you deny?”
Suddenly, Wang Dalu shouted," No, I didn't kill Zhang Quan. He committed suicide. I'm innocent. Zhang Quan must have wanted to drag me down with him!"”
Captain Zhang sneered." Hmph, you still dare to deny it. This evidence proves that you did kill him!"”
" I'm innocent!" Wang Dalu hurriedly shouted." I'm really innocent!"”
……
Meanwhile, in the interrogation room on the other side, the victim's wife, Dong Li, was crying to the interrogators.
" I know that Zhang Quan committed suicide on purpose to frame us. He won't let us go even if he dies…He's always been a coward and a good-for-nothing. He can't do anything, and when he can't do it well, he takes it out on me. He even drinks and beats me with a whip…I can't take it anymore and want to divorce him, but he won't…"
" Wang Dalu is a very nice person. He's a hundred times, a thousand times, ten thousand times better than that trash Zhang Quan. So, I got together with Wang Dalu. However, Zhang Quan still found out. I thought that Zhang Quan would agree to my divorce, but in the end, he still didn't agree..."
Dong Li burst into tears all of a sudden. She poured out many things from the past like beans.
The interrogation expert felt that this was a good opportunity, so he deliberately guided Dong Li, hoping to find some clues.
After being guided by this, Dong Li indeed said a lot of valuable things.
" Sometimes I really want to kill him and end this once and for all. I really can't live this life anymore. Sometimes I even think about committing suicide…This trash has no ability at all. If it weren't for Wang Dalu's help, his so-called dealer would have lost everything. Every time he asked Wang Dalu to buy goods, he refused to pay. Wang Dalu felt that I owed Zhang Quan, so he didn't ask for debt…It's better for such a person to die…"
" I can die. After all, I don't want to live anymore. But Wang Dalu still has his wife and son at home. He's innocent. He can't die…Moreover, I seduced him at that time. He also kept a distance from me. I'm sorry to him, sorry to his wife and son…"
As Dong Li spoke, she felt like she was on the verge of a mental breakdown. She was determined to die, and this forced the interrogation expert to stop the interrogation.
……
……
The case meeting was held again.
Everyone reported the information they had on hand.
Zhang Guo 'an concluded his report.""Based on the current situation, the evidence points to Wang Dalu as the murderer. First, evidence was found in his car. Second, he has no alibi. Third, there is a motive for committing the crime…However, from the perspective of interrogation, Wang Dalu has been complaining that he is innocent, and he really doesn't look like the murderer, unless he is an old fox…Let's start the discussion. Everyone can speak freely and see if there is anything missing.”
The young Qin Li was the first to raise his hand." I think the deceased should have been killed by Wang Dalu, and Dong Li's statement is just to confuse our line of sight. It's a smokescreen."”
Zhang Yihan: " I think that we can't rule out the possibility of suicide. Dong Li's words feel very real, and she doesn't seem to be lying. This Zhang Quan is very likely to use suicide to drag Wang Dalu and Dong Li into the water and take revenge."”
"We can't ignore the phone booth that provided us with clues…"
One by one, they enthusiastically voiced out their guesses. To solve a case, one needed imagination. If it was too rigid, it would be more difficult to solve the case. Perhaps a bright spot would be the key to solving the case.
Amidst the heated discussion, Captain Zhang Guo 'an suddenly found Hao Shuai sitting there with a frown and not saying anything.
"Hao Shuai, what do you think?" Tell me."
Hao Shuai thought for a moment and said," Something doesn't feel right. I feel like I didn't consider something…"
"Where?"
" Captain," Hao Shuai suddenly said," I want to interrogate Wang Dalu personally to verify what I'm thinking."”
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