Chapter 2429
Words:884Update:22/10/08 10:45:15
Yun Shishi refuted this statement. "As long as we investigate further, we should be able to find some clues, right? Other than Lu Jingtian and the criminal, there shouldn't be anyone else on the second floor. "
Lu Bosheng and Yun Shishi looked at each other, hesitating to speak.
Mu Yazhe said, "The second floor of the bar isn't always empty. It's just that there are fewer people at that time."
Lu Bosheng nodded in agreement. "It's just that there are fewer people at that time. By the time Tiantian reached the bar, the midnight show had already started, and the customers were already on the dance floor. Before this, the bar was filled with folk singers, but at this time, there was no one on the dance floor. Other than a few customers who took the initiative to occupy seats, the rest went upstairs. There were many customers upstairs who were drinking and listening to songs. However, the waitress went upstairs once. She served a cup of herbal tea to that person, and she saw that person, who was dressed in black, pick up the cup and drink it directly. "
Yun Shishi furrowed her brows and walked to the side. After mulling it over, she turned around and said firmly, "If that's the case, logically speaking, her fingerprints should be left on the cup! Glass is a very good 'fingerprint detector', so there should be more than one fingerprint left on the cup! "
Lu Bosheng was a little desperate. He closed his eyes and muttered, "It's precisely because they didn't find it that I find it inconceivable."
"Has it been wiped off?"
Yun Shishi said, "I've seen one before, but I don't know if it's true or not. I heard that hydrochloric acid can wipe off fingerprints."
Lu Bosheng's mother was shocked when she heard this.
However, she heard Lu Bosheng say, "The police only said that as long as she touched the cup, even if she wiped it with hydrochloric acid, through technical means, even if it's incomplete fingerprints, it can be considered a basic clue. Criminal investigation technology is very advanced now. Unlike in the past, there are very few pending cases that are put on hold, and they are basically solved in a few days. Even if the murderer can escape from the lie detector machine, she can't escape the evidence left behind at the scene. Moreover, if she wiped the cup with hydrochloric acid, it proves that the cup has been wiped. However, the police technicians extracted many fingerprints from the surface of the cup, but only her fingerprints. "
Yun Shishi was stunned.
"Only hers was not extracted?!"
"Yes."
Yun Shishi said in surprise, "How is that possible?! Didn't that waiter see her drink it with his own eyes?! If that's the case, even if we can't find fingerprints, we should be able to find residual saliva, right? "
"That's basically impossible. Even the provincial forensic identification agencies did not have this kind of ability. DNA testing requires a certain amount of DNA. If it's too little, it won't be able to do it. "
Yun Shishi was stunned.
"This is unbelievable …"
Mu Yazhe suddenly thought of something. "There's only one possibility if we can't get fingerprints."
Yun Shishi's eyes widened. "What do you mean?"
"Destroy the fingerprints."
"Destroy fingerprints?"
Yun Shishi suddenly smiled and said, "If it's cut with a knife, the fingerprints won't be completely destroyed …"
Mu Yazhe suddenly interrupted her and said casually, "It would be different if the pulp of the finger was cut off."
Yun Shishi was dumbfounded. "… Cut?! Do you mean cut with a knife? "
Cut off a piece of flesh from the finger while it was still alive?!
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