"I've seen this bullet before," Jiang Stops paused and said, "to be exact, I've seen this batch of bullets."
Yan Ji was a little surprised. "What?"
Jiang Stops raised his chin at the phone and asked, "Do you know what the metal engravings on the mug at the bottom of the cartridge case represent?"
It wasn't a difficult question. Although Yan Ji's police academy theory classes weren't very good, his natural love for firearms made him remember this part of the knowledge. "The Munitions Factory's code name and year of production. What's wrong?"
"The engravings on this bullet are 421, 04. In 2004, it was produced by the Southwest Fuling Group, codenamed 421. The Southwest Fuling Group was one of the earliest munitions companies in China. Before liberation, it mainly produced all kinds of bullets and artillery shells. After the reform and opening up, due to policy changes, it slowly transformed into a car and motorcycle manufacturing company, just like most munitions companies at the time. "
"At the beginning of this century, the Fuling Group began to undertake some military projects. Most of the guns and bullets produced were supplied to the Southwest Military Region after the reorganization of the supply and demand department, and a small amount was supplied to the public security system. Around 2003, the Fuling Group carried out internal adjustments in response to the country's military policy, and began to change some types of gun bullets from brass to aluminum plated with copper. After the Spring Festival of 2004, all 9mm pistol bullets produced after the Spring Festival of 2004 were all plated with copper. "
Yan Ji suddenly understood something.
The cartridge case he had bought was obviously made of copper, which meant that the production date could only be from January 1, 2004 to the Spring Festival of the short period of 20 days!
"Yes." Jiang Stops didn't need to look to know what he was thinking. "Excluding the New Year's Day holiday, the actual production time should only be about ten days. Then estimating the total production capacity of the Fuling Group and the production of other types of bullets, the all-brass 9mm Luger bullets numbered 412, 04 on the market should be very rare. "
Yan Ji immediately asked, "Then as long as we investigate the whereabouts of this batch of bullets, won't we be able to lock onto the suspect?"
As soon as the words left his mouth, he realized how ridiculous he was.
There was no way the Munitions Factory would obediently let him investigate. Starting from the angle of bullets was even more unreliable than reporting to the Ministry of Public Security and requesting a comparison of national police gun rifling data.
But Jiang Stops didn't make fun of him. Instead, he nodded and said, "That's indeed the idea."
Yan Ji: "…" Are you trying to give your husband a way out?
Jiang Stops didn't seem to notice Yan Ji's expression, or maybe he noticed it but didn't bother to pay attention to it. Judging from the minimalist style of Jiang Stops, the latter was more likely.
"As I said, I've seen this batch of numbered bullets before. It was a few years ago when I was in the Gongzhou anti-narcotics detachment. If its production is extremely low and it once existed in Gongzhou's public security system, then according to the weapon industry's product distribution principle, it's very likely that the entire batch of 9mm brass Luger bullets was supplied to Gongzhou. It's very unlikely that a batch that was already low in production was broken up and shipped to other places. "
Jiang Stops's narration was calm and steady. Yan Ji was stunned for a moment before he asked, "… Are you sure?"
"Probably."
Jiang Ting said that there was a high probability, which basically meant that it was certain.
"But how do you know the inside story of the Fuling Group's production of bullets, and how do you remember the bullet number from a few years ago?"
Jiang Stops smiled. The smile wasn't obvious under the light, as if he was just faintly pulling up the corners of his mouth, "I've always paid attention to this. Besides, the change of our country's production from brass to copper-plated bullets, anyone who pays attention to military news should know about it. "
This was obviously perfunctory.
Jiang Stops must have seen the subtle look in Yan Ji's eyes. It was rare for him to add another sentence. This time, he couldn't hide the meaning of his bitter smile, "The price of brass bullets and copper-plated bullets are different … Do I have to continue explaining?"
Yan Ji's mouth was half open. He silently said "Ah" for a moment, patted Jiang Stops' shoulder and smiled, "You were also a spy in Gongzhou back then."
Jiang Stops calmly asked in return, "Do you think it's easy for the average person to level up in the Gongzhou system? Based on the average professional level of the Jianning Municipal Bureau, the difficulty of the Gongzhou instance dungeon is about ten times your difficulty and squared. "
Yan Ji didn't mind Jiang Stops' usual mockery of the Jianning Municipal Bureau. After all, he was used to it. What he was more concerned about was, "But how can we be sure now? Only the local public security department can check the rifling data of police pistols, but in Gongzhou … "
It was theoretically possible to report it to the public security department and then investigate it layer by layer. However, after being in the system for a long time, even Yan Xue, who used to be an idealist, knew very well that there was often a natural chasm that could not be seen with the naked eye between "theoretically feasible" and "practically feasible" many things.
After a year and a half, the grass on Yan Ji's grave might have grown to half a person's height by then.
Jiang Stops opened his mouth, as if he wanted to say something but hesitated. After a moment, he gently exhaled, "There's a way."
Yan Ji narrowed his eyes and heard him spit out three words, "Qi Sihao."
Qi Sihao, a police officer of the second narcotics squad, one of Jiang Stops' subordinates. He was now the captain of the first squad of the criminal investigation team in Gongzhou.
He was a man with a lot of thoughts and a bit of a hob who bullied the weak and feared the strong. When facing Yan Ji, he purposely wore a shaved uniform to straighten his back.
Yan Ji had never seen a senior criminal police officer with soft and cold palms. Even Deputy Bureau Chief Wei, who had been in leadership positions for a long time, had scars and calluses on his palms that couldn't be removed. However, Qi Sihao was the first one.
"Is there a breakthrough in his body?" Yan Ji sat up straight and asked seriously.
"Yes."
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