"Matthew opened the back door for you? Otherwise, why didn't you tell me the results of the mobile target?"

On the weekend, he scratched his head and whispered: "Just just passed the test, the police test score is a little higher than the patrol test score. I suspect that if I was promoted once, I might ruin my career."

"Hahahaha..." Chekov laughed very happily, throwing away all his worries before. It seemed that he didn't need to worry about anything as long as the weekend was on him.

He ignored Chekov took out the phone, dialed the number of the forensic department and asked himself: "I am on the weekend of the Anti-Black and Drug Enforcement Department. I want to ask about the Smith family's robbery and murder case. The file number is kgp30004273. Yes, I have some doubts about the case...what? The ballistic test is suspected...the cause of death is abnormal...yes. This is exactly what I doubt. Thank you very much. I will ask someone to take the file back and file it. Sorry."

"Che."

After hanging up the phone over the weekend, he explained: "What investigation have you conducted?"

Chekov raised his head and bit the pen filling out the form and said, "Stock sales channels, road monitoring, Smith's neighbors... As a result, nothing was found."

"That's right. The investigation direction of this case is wrong." He pointed to a description in the confession over the weekend and said, "When the police arrived at the scene, Mrs. Smith, who was still alive, said that the robbers fired underwater and hit Mr. Smith between the chest and abdomen at about five meters away, and then the bullets came out from behind. This is suspicious point one; suspicious point two, the robbers ran away with a gun. He was grabbed by Mr. Smith's ankle and dragged into the swimming pool water. Mr. Smith's profession is a high school teacher. A high school teacher dares to fight with the robbers when facing the robbers, or does the robbers hold a gun? Don't you think this is a bit abnormal?"

Chekov, who had not figured it out, responded: "If it were me in the water, the robbers would not have the chance to fight back at all. What's wrong with this?"

"That's you! How many people in this world dare to rush to a team of five or six Mexican killers like you, with a gun alone?" said in a different direction over the weekend, "Well, even if Mr. Smith's brain is lacking, he wants to be brave once without obvious damage to his wife. However, the report given by the Forensics Department proves that the lethality of the pistol shooting underwater cannot penetrate a person's body, or is still five meters away in the pool. How do you explain this?"

"Physicist Andres Wall did a dangerous experiment. He tied a thread to the trigger of the rifle in the water without wearing a body armor, and then fixed the rifle underwater. He stood two meters away by himself..."

Chekov finally put down the form in his hand, and when he finished saying this on the weekend, he responded: "This idiot."

"Listen to me!"

Chekov was interrupted over the weekend: "The result of this experiment was that after the rifle was fired, it lost its momentum after it was launched, and it lost its accuracy less than one meter. It finally pierced into the bottom of the water with an oblique piercing. The physicist was not injured at all."

"This is impossible!" Chekov's knowledge of guns was much deeper than on weekends. He did not believe that the bullets fired by the rifle had no lethality in the water.

"It's true." said very affirmatively on the weekend: "After the bullet is fired from the gun hall, it will encounter different pressures in the water, and a high pressure zone will appear immediately in front of the bullet; interestingly, a low pressure zone will appear behind the bullet; between the two is a vacuum zone generated by a gas cloud formed by a small amount of boiling water. The formation of the gas cloud is because the principle of the gun operating underwater is the same as on water. It is a firing needle hitting the gun powder to make the gun fire. Once the gun fires, all energy will produce hot gas, which will fire the bullet out of the gun hall. This is the reason why the bullet will produce a large number of bubbles when fired underwater. If you have observed the ballistic test with your own eyes, these things are easy to understand. Of course, another factor that prevents the bullet from forming a strong impact force underwater is the density of water. The density of water is 800 times the air density. This number will also increase due to different water quality. This is why I asked you for an appraisal report after reading the archives."

"Qi. Think about it, in this state, is it possible for the bullet to penetrate Mr. Smith's chest?" asked himself on the weekend: "It's completely impossible."

Chekov was stunned, and he forgot what he should ask.

The weekend organized into a detection path based on existing clues and said, "Then, there is only one problem left for us. Why did Mrs. Smith lie when her husband was punched in the chest."

"She has no reason to transfer the shooting location to the water..." Chekov couldn't figure it out, but the things he said on the weekend could not make anyone refute. This guy's knowledge of identification is far more than that of ordinary police detectives. It is not an exaggeration to say that he is a Frankenstein in the forensics department.

"Yes," explained the weekend: "If the murderer is more important to Mrs. Smith than her husband, she not only has reason to hide it for this person, but also helps create a scene of a house-entry robbery and murder case. Otherwise, how could you explain that when you, such a deterrent guy, did not get any clues when you investigate the channels for selling stolen goods? Which robber did not quickly escape the stolen goods after killing people?"

Chekov naturally couldn't answer the question on the weekend. He advised: "Change your mind and try to start with why Mrs. Smith lies. I believe you will get the answer you want soon."

Chekov was still recalling what he said just now on the weekend and asked casually: "When will you come back?" He didn't notice that the weekend's gaze had shifted from him to the form.

"It's almost done. I'll send the assessment results to my email in two days. What's the hurry? How many days will I have to go on for my holiday?"

"Scout application form?" I was laughed at by this form over the weekend: "Qi, will your child be brought into the military camp by your father for training at only a few months old?"

"Of course not his. This is a student I accepted at the fitness club. I think he has the potential to become a good soldier."

"Roger...Lambert? Guardian, Charlotte Lambert??!!"

Weekend raised his head instantly, looked at Chekov and asked, "How did you know Roger?"

Chekov was shocked by the weekend. His face became extremely cautious, his eyes widened and his attitude was more solemn and focused than when he analyzed the case just now: "You are fine, aren't you telling you? Didn't I tell you? This is my student in the fitness club."

"No, Qi, he is not just a student. I not only know this child, but also know him very well. He is very different from others."

Chekov looked at the weekend and said, "What the hell are you going to say? Yes, Roger is a little different from others. In addition to being unspeakable, he also has perseverance than anyone else. I have tried his limits in his body. This guy can do a hundred push-ups after completing eight miles on the treadmill... He is still a child. Do you think this child is a genius?"

"I'm not talking about this, Che, do you still remember Ted? In essence, if Roger had not received good psychological counseling at this stage, he would probably be the next Ted."
Chapter completed!