Jiang Tingbai had already completed the basic trace inspection work and hurriedly called me.

The first words he uttered surprised us.

Because he checked the footprints through the footprints in the room, he found a total of three people's footprints!

"The dust footprint is very complete, and after trace inspection, I found a total of three people's footprints, all of whom are different shoe sizes, and all of them have different types of shoes." Jiang Tingbai said seriously.

Subsequently, Jiang Tingbai told us in detail about the difference between the three footprints, and reasoned according to the stride distance of the three footprints, and obtained the height of the three people.

"The first footprint is a pair of size 42 sneakers, and the height should be about 1.7 meters.

The No. 2 footprint is a pair of yellow rubber shoes of size 38, and the height should be about 1.65 meters.

The No. 3 footprint is a pair of small thick-heeled leather shoes of size 41, and the height should be about 1.7 meters. But I can see from the dust content of the No. 3 footprint that there seems to be something wrong with this person's left foot. Jiang Tingbai said in a deep voice.

"Something wrong with your left foot?" I frowned and continued.

"Yes, he seems to be a cripple, walking unsteadily on his left foot, and a little tiptoeing." Jiang Tingbai let out a very calm voice.

I pondered for a moment, took a deep breath, and continued to ask, "Any other clues?" ”

On the phone, Jiang Tingbai paused and continued: "The laboratory also has results, the marks on the sheets are a mixture of sperm spots and female lower body secretions, and the two curly hairs and sperm spots are the same DNA, which should be the murderer." ”

"Great!" I let out a long sigh of relief and let out a knowing smile: "With DNA, we can conduct blood tests on all the men in the village, and as long as there is a DNA comparison, we can catch the murderer." ”

"Then I'll take the technical team to you tomorrow?" Jiang Tingbai asked seriously.

I thought about it for a while, and said slowly: "Don't worry, you can wait for my news." ”

As soon as I finished speaking, I immediately added: "By the way, is there any result of the autopsy on Ren Qiushi's side?" ”

"It's not clear for the time being, I've been doing a scar examination in the trace department, and I didn't go to the forensic department." Jiang Tingbai said lightly.

"Okay, I'll give Ren Qiushi a call later." After I finished speaking, I was about to hang up the phone and prepare to call Ren Qiushi.

At this moment, Jiang Tingbai's voice came from the phone: "What kind of smell?" Why does it stink so much? ”

"What? Stink? I frowned and asked suspiciously.

"Yes, it stinks, no, I'm a little nauseous." Jiang listened to Bai hold his breath and said, only to feel a little churning in his stomach.

I was about to continue to inquire about the situation, when a familiar voice suddenly came over the phone: "Who do you say stinks!" ”

After hearing this voice, I couldn't help but laugh out loud, because this voice was Ren Qiushi's. It seems that in the Ningzhou City Public Security Bureau, Jiang Tingbai and Ren Qiushi met.

Next, I heard the two of them arguing on the phone.

"You stink too much to smell it yourself?!"

"You're a dog! Should be a police dog! ”

"Gross-no wonder Lao Qin usually says that you smell of corpses."

"You go to dissect a rotting corpse, and you stink too!"

"Then go and wash it, it stinks! This smell is disgusting! …… Oops! Don't come here! Stay away from me—ah——! ”

On the phone, Jiang Tingbai's scream was heard, and then, Jiang Tingbai's desperate cry was heard: "Hey! Don't use my phone! You use your own! It's over, I can't ask for my phone......"

After a while, Ren Qiushi's voice came from the phone: "Hey? Lao Qin. ”

"How? Autopsy results? I quickly asked.

"Yes, the autopsy has already been decided. The internal organs of the corpse have decomposed to varying degrees, don't you know, the body is full of maggots, crawling everywhere in the dissection room, all of them are proteins! Ren Qiushi said as he spoke, deliberately biting the three words protein very hard, as if he deliberately said it to Jiang Tingbai.

There's no way, who made Jiang Tingbai a foodie.

I didn't speak, and continued to listen to what Qiu Shi said.

"I conducted an investigation based on maggots, the deceased had been dead for at least ten days, and the cause of death was the murderer's wound, which was deep and pierced directly through the heart. The wound was so badly decomposed that it could only be seen as a long wound, presumably a dagger. Ren Qiushi said in a deep voice.

I nodded and asked, "Are there any other discoveries?" ”

"I found a choke on the neck of the deceased, but the deceased did not die of suffocation, it should have been a fight between the deceased and the murderer at the time of the crime." Ren Qiushi continued.

"Wrestling?" I subconsciously asked.

Through the on-site investigation by the technical team, no traces of a fight were found in the room, but strangulation marks appeared on the deceased's body. It appears that the murderer controlled the deceased in bed, and there was a small resistance, and then the murderer stabbed him to death.

"Rape and murder, the murderer and the deceased have sex, why is there a fight?" I muttered in bewilderment.

Later, Ren Qiushi said to me: "I carefully examined the deceased's lower body, and found no signs of violence, and there was no internal bleeding. The sexual behavior of the murderer and the deceased was very smooth and normal. ”

After listening to Ren Qiushi's description, I took a deep breath and hesitated a little.

Jiang Tingbai found the footprints of three people in the room, could it be that the murderer was someone else?

"Old Qin, the current autopsy can only get these, the decay of the corpse is very serious, and the protein everywhere is ......" Ren Qiushi said, deliberately aggravating his tone and said seriously.

I smiled faintly, said a few words to Ren Qiushi, and hung up the phone.

Subsequently, I repeated the results of Jiang Tingbai's trace examination and Ren Qiushi's autopsy with you.

"Lao Qin, you mean that the person who had sex with the deceased is not the same person who killed her?!" Li Meng looked at me and said very suspiciously.

This is a very critical question, and if this inference is true, then our previous inference of rape and homicide in this case will be completely overturned.

Determining the nature of a case is a very important part of the process of solving a case.

Regardless of the nature of the case, whether it is a love killing, vendetta killing, murder for money, excessive murder or whatever, we can look for clues according to the social relationship of the deceased, and finally lock down the suspect in this case.

Once the nature of the case is misjudged, then the direction of our investigation will also be deviated, which will be a major obstacle to the investigation of the case.