Ye Jin stood up and added: "In the swabs of the victim's body, the sperm spots were all weakly positive, and the DNA genotype could not be determined as well as the results detected in the previous deceased's body. Ye Jin was interrupted by Miao Miao before he finished speaking: "Why, how can it not be determined according to the current technology?" Ye Jin did not feel the slightest unpleasantness by Miao Miao's sudden interruption, and her voice was still soft: "Liquid acid phosphatase can decompose benzosodium phosphate to produce naphtholol, which is combined with aminoantipyrine by iron* to produce red quinone compounds. This is the principle of the sperm spot pre-experiment. "Is that going to be a security measure?" This time it was Yang Feng who asked the question. Ye Jin continued to answer: "No, there is no oil component in the swab of the deceased's body, which means that there must be no safety measures, so there is only a more reasonable explanation, which is a disease." ”

"No, Qin Mo, who had not spoken all this time, interrupted Ye Jin's words, "This kind of disease makes people unable to get pleasure, and it is impossible for such a person to kill people one after another." After Qin Mo finished speaking, he inadvertently glanced at Miao Miao, and found that Miao Miao's face was very red, and she was really a little girl! On the other hand, Lu Yuhan is calm, and he thinks about it, he has been in the FBI for so long, and he has never seen any perverted cases!

It was rare that Li Sheng also opened his mouth: "Is it possible to sterilize it?" Ligation is the severing of the vas deferens so that it cannot be discharged, but the prostate gland can secrete fluid, and if it is a man with ligation, the prostate fluid discharged can be pre-positive. "Wow, it turns out that Uncle Li is so proficient, has Uncle Li also had ligation surgery?" Miao Miao looked at Li Sheng with a wicked smile. It was rare to make Li Sheng's old face red, and he had to explain to everyone: "I went with my wife, but I was misunderstood by the doctors in the hospital, so I only knew a little." Li Sheng gave up when he saw everyone's funny looks.

"I am more inclined to speculate that the murderer is sick, because even if it is sterilized, the prostate fluid secreted should be large, and a weak positive result should not be speculated. And if the murderer is sick, it can reasonably explain the murderer's perverted murder. Lu Yuhan said solemnly.

After this meeting, Qin Mo and Miao Miao still went to visit major hospitals to investigate the people suffering from this (indescribable) symptom. After Qin Mo and Miao Miao worked hard for a whole day, finally, before getting off work, they came to a city private hospital, although it was late, there were still two couples waiting for treatment in the waiting room of the infertility clinic. In order not to disrupt the medical order, Qin Mo did not cut the queue because of the recommendation of an acquaintance, but sat silently opposite the two couples.

They frequently turned their heads, whispered, and threw sympathetic glances at Qin Mo from time to time. "What to see, I ...... I'm normal, okay. Qin Mo silently defended in his heart.

"The situation you are talking about is not a problem," the expert is the expert, and the words that came out hit the nail on the head, "There is a physiological disease, the symptom is that you can leave a very small amount of your so-called sperm spots, and you can't leave sperm with a nucleus that can be tested."

"Is it really this disease?" Qin Mo and Miao Miao had heard of it for the first time. "Also, what do we call sperm spots?"

The expert said: "As far as I know, the principle of your pre-test is to detect whether the material contains acid phosphatase. This enzyme is present in the fluid secreted by the prostate. ”

Qin Mo nodded.