Wang Kai went home in a daze, locked himself in the room and cried heartbreakingly, Wang's mother knew that he was missing Lan and didn't persuade him, this kind of thing has to wait for him to think about it, and it is useless to persuade others.

After crying, Wang Kai remembered what Chen Yanxi said, he turned out all the condoms in the bedside drawer, and sure enough, the packaging bags of each condom were stained with sticky lubricant, Lan Xin actually deceived him in this way, risking her life to conceive his child, why was she so stupid, she knew that the chance of success was very small, but she still did it.

His heart, his child, who would be so ruthless to destroy the most important person in his life? Wang Kai lay on the bed crying and thinking, no matter how much he thought about it, he couldn't figure out who that person was.

Mu Haoran in the office also fell into a deadlock, there was no object of suspicion, no motive for committing the crime, and there was not even a conflict with their husband and wife, this case of his murder was too far-fetched.

Mu Haoran came to the dissection room with the file, put the information on Chen Yanxi's desk and asked, "Is this all the test results you gave me?" Nothing is missing. ”

Chen Yanxi looked up at him incredulously: "What do you mean, Mu Haoran you don't know what you're talking about, you're questioning a forensic conclusion, all the analysis results before you overturn a case." ”

Mu Haoran took out the frontal photo of Lan Xin and said: "Look at her, she still had a smile on her face when she died, she died so peacefully, he killed him for no reason, it was too far-fetched Chen Yanxi." ”

Chen Yanxi pushed the photo back: "Then you should ask this murderer why he did it so seamlessly, instead of questioning my autopsy results." ”

"I remember you once said that you might have a distorted face when you had a heart attack, so how can you explain her smile now, and didn't she have pain when she got sick?" Mu Haoran questioned Lan Xin's facial expression.

Chen Yanxi's brows furrowed, she also attached importance to this issue, she picked up the photo and looked at it, Mu Haoran was right, whether it was Lan Xin's sudden death from a heart attack, or the arrhythmia caused by calcium and toxin reactions, Lan Xin's expression should not be so peaceful.

"Yes, in this way, her expression is a little weird, even if she frowns, this is nothing, her physical state was too relaxed when she died, as if she died peacefully in her sleep, but this does not conform to the law of heart attack death, she has already had a digitalis poisoning reaction, her lips are purple, she should be in pain at the time, how can she still laugh so happily?" The more Chen Yanxi thought about it, the more she felt that there might really be something in this that she had overlooked.

"That's what I mean, how did this expression appear, this smile is so weird." Mu Haoran shook his head again and again, there were too many things in this case that he couldn't understand.

Chen Yanxi can't explain what the reason is now, and after Mu Haoran left, she also fell into confusion, what did Lan Xin see that made her forget even such pain?

Chen Yanxi's phone rang suddenly, and she answered: "Hey, you're so good in the forensic office of the serious crime team." ”

"It's me Miss Chen, I've seen that she is intending to get pregnant, and she knows it herself." Wang Kai said sadly.

"Mr. Wang, I don't know how to comfort you, let's mourn and change, she won't suffer like this in heaven again." Chen Yanxi has always been not very good at persuading people, and she comforted Wang Kai with her poor words.

"Thank you, I understand." Wang Kai's voice was low, but it still couldn't hide his sadness.

Before hanging up the phone, Chen Yanxi suddenly asked Wang Kai a question: "Did Mr. Wang talk to you on the phone before the crime?" ”

"No? What do you mean? Wang Kai didn't understand why she would ask.

"That's right, I don't know if you have noticed the positive photo of Lan Xin, she still had a smile on her face when she died, but according to the results of the autopsy, she had a severe arrhythmia at the time, she should have been in pain when she had a heart attack, this smile is too weird." Chen Yanxi replied to him.

Wang Kai's thoughts paused obviously, he might have really ignored this point if he could get the resemblance, he might have focused on Lan Xin's death, if it wasn't for Mu Haoran mentioning it, even Chen Yanxi himself didn't take this little expression to heart, and now it seems that this expression has become a very serious suspicion.

Chen Yanxi took a closer look at Lan Xin's corpse again, not sparing every inch of skin from head to toe, and suddenly a needle-like scar on Lan Xin's arm attracted Chen Yanxi's attention.

Chen Yanxi immediately called Mu Haoran, Mu Haoran hurriedly came from the office, and walked to the dissection table without wearing protective clothing in a hurry, Chen Yanxi raised his hand to stop him: "How many times have you come in, I still don't remember, put on protective clothing, what if there is a source of disease on the corpse and hurt yourself?" ”

Mu Haoran was carefully taught, turned around and took out a set of protective clothing from the cabinet, put it on, put on a mask and returned to the autopsy table.

"What did you find?" He asked.

Chen Yanxi raised Lan Xin's right arm, pointed out the pinhole marks on it, and said, "Look at this." ”

"Needle eyes?" Mu Haoran was surprised, I don't know if it was the one he looked like.

"That's right, I've seen Lan Xin's medical records, she hasn't been to the hospital for examination recently, and this mark doesn't look like it was left by a blood test, this pinhole is very thin, if I hadn't seen her head and feet very carefully just now, I really couldn't find it, and there are many traces of needle eyes around this needle eye that have healed." Chen Yanxi gave a conclusion with certainty.

"She can't be a drug addict." There were more doubts in Mu Haoran's heart, how could she take her life so lightly, and she was pregnant and contaminated with that thing.

"I'm not sure about this, no toxins were found in her blood, if she took drugs, then it would have been at least two weeks since the last injection, otherwise the test result should have been positive, but this mark on her arm is so fresh, there can only be an explanation, she had a heart attack when she wanted to take drugs, and before she could get the injection, you were already dead." Chen Yanxi thought carefully about every possibility, and this one she thought could best withstand scrutiny.

Mu Haoran was a little confused, and he asked Chen Yanxi to stop for a while: "Wait, let me take care of it!" ”

"In Wang Kai's description, Lan Xin should be a kind and extremely family-oriented woman, she can be desperate to get pregnant for Wang Kai, she would be so irresponsible to touch that thing?" Mu Haoran felt that this was very contradictory.

"Misused?" Chen Yanxi speculated

"Eldest sister, this is an injection, not a powder, it can inhale the powder, how can you also inject the injection by mistake, she is a medical worker, she should be no stranger to this thing, I don't think it's possible." Mu Haoran overturned this speculation.

Chen Yanxi thought about it and thought of a very critical question: "If she wanted to inject this when she was sick, then the case found that there should be a needle, and there was nothing when we went to the scene!" That Aunt Yang said that she was not at home, and who took the needle off her cousin's arm. If it was injected before, it can't explain why there are no drug residues in her body! ”

"Oh my god I'm completely broken, and one expression makes us go round and round, and now I have made so many needle eyes, it's so weird." Mu Haoran stirred his hair hard, he really trapped himself in a stalemate and couldn't extricate himself.

"The smile can be explained now, she had hallucinations when she had a drug addiction attack and had a heart attack, and she thought of something that made her happy, so there would be no pain, only a happy smile remained."

"I'll ask Liu Jie to go to Wang Kai's house again to see if I can find the needle, which is a very critical piece of physical evidence, and it is very likely that there will be his fingerprints on it." Mu Haoran hurriedly changed out of the protective suit and ran out, and the case seemed to be able to turn things around because of a small discovery.

Chen Yanxi looked at Lan Xin's smiling face and smiled helplessly: "Lan Xin, it doesn't matter if you smile, you leave us with so many mysteries, it's really tiring." ”

When he came to Wang Kai's house again, Mu Haoran came with preparations, this time he had a goal, and it would not be too difficult to do things.

"Team Leader Mu, what are you looking for?" Wang Kai asked inexplicably.

Mu Haoran glanced at him and felt that it was necessary to talk to him about the matter again, maybe he had any clues to provide!

"We found needle holes in Lan Xin's arm, and there were many of them, and we suspected that Lan Xin had been injected with poison and products."

"How could this be, how could she get on that thing." Wang Kai directly denied that Lan Xin would do such a thing.

"That's why we came to find that important clue, what we want is the needle that left this mark on Lan Xin's arm that day, hoping to find the clue." Mu Haoran officially stated his intention.

"This is too weird, not to mention the medicine in Lanxin's medicine box, someone can change it, but this drug use, I don't think Lanxin will do it." In Wang Kai's memory, Lan Xin was a gentle woman, and she really couldn't imagine that she would be killed.

"It's true that there is no blood test, but it can't explain who will leave these marks on one of her arms, so we want to find the needle first, and then we will have everything, and whoever gives it is the murderer." Mu Haoran carefully looked for clues, and did not let go of anything.

"It's weird." Not only Wang Kai, but even everyone who came into contact with this case couldn't explain this problem.

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