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However, the most complex thing in the world is the human heart, so what a person's psychological character will become after encountering various blows, Pheren can't completely predict accurately, so the list he selected may not include suspects.

Just as Fei Lun was considering the list, Dai Yan and the others came back.

Qiu Zhaoqiang reported: "SIR, we have investigated several things you said. ”

"Oh? The result? ”

Dai Yan held a detonator: "SIR, according to the forensic report, although this kind of ordinary electronic detonator is not in circulation on the market, it is easy to get it in the black market and the Shenguang area, so it can't be checked." ”

"This kind of copper electrode wire is also very ordinary, and eight out of ten hardware and electrical material stores on the market have to sell." Li Lidong continued, "So there is basically no way to check the electrode wire, and even if it is, it is tantamount to looking for a needle in a haystack." ”

"As for the insulating tape, it is a little special, according to the analysis of Jiang Jinglian, director of the forensic department, although this insulating tape is not the most expensive on the market, it is the best insulation effect among all similar products." Qiu Zhaoqiang said, "I have checked, and there are more than a dozen electrical material stores in Hong Kong and Kowloon that sell the same brand and specification of adhesive tape. As he spoke, he handed over a list of electrical material stores.

While Fei Lun took the list, Shi, who was eating Buddha and jumping over the wall, hurriedly handed over the map. Patting the map and the list together, without waiting for Fei Lun to make a move, Mo Wanning took a red watercolor pen and began to look for the location of each appliance store on the map.

"Where's the acid?" Pheren asked again.

"I have consulted Director Jiang carefully on this point." Li Lidong replied. "Pure acid is non-conductive, and the acid in the acid bottle on the bomb is an industrial hydrochloric acid, which Director Jiang has tested in detail. It was found that a certain proportion of pure water should have been mixed in the acid, and the conductivity was quite good! Therefore, we carefully checked the places where industrial hydrochloric acid is sold and used in Hong Kong and Kowloon. As he spoke, he handed over a list as well.

Pheren glanced at it and found that apart from a few electroplating plants, there were only three places that sold industrial hydrochloric acid. But that's not the point, because Pheren knows very well that there will never be only one place where industrial hydrochloric acid is used. For example, those that do metal surface cleaning, and then sugar or food are inseparable from hydrochloric acid, so after he read the list. frowned: "Is that all?" Is there no hydrochloric acid that is sold and sold in violation of regulations in private? In addition, Jiang Jinglian said that the solution in the acid bottle was mixed with a certain amount of pure water, is there a way to find out which brand of pure water it is? ”

When Dai Yan and the three of them heard this, they suddenly felt embarrassed. Qiu Zhaoqiang shook his head and said, "SIR." Director Jiang also tried this, she said that because there is almost no difference between pure water and distilled water, even if the filtration process of pure water is different for each brand, it is only a very small difference, so if you want to do a detailed analysis, I am afraid it will take more than two months. ”

Mo Wanning, who had just finished drawing the map, was surprised: "Two months? The daylilies are cold! ”

Fei Lun didn't insist on it, but said: "Pure water can not be checked." But the whereabouts of the hydrochloric acid that flows out privately must be investigated. ”

Qiu Zhaoqiang said: "Let's go investigate." ”

Fei Lun said: "It's dark, what else to check?" He pointed to the bento on the table. You all eat first. After speaking, he didn't care about them anymore, picked up the black watercolor pen by himself, and redrew it on the map drawn by Mo Wanning according to the list of hydrochloric acid uses.

After encircling the addresses on the list, Fei Lun found that there were only two places where the electrical material stores selling insulating tape (red dots) and several electroplating factories and hydrochloric acid were close to the sales points (black dots), one near Tai Po Industrial Estate and the other in Sai Sai Street in Mong Kok.

Of course, since the situation of the smuggling of hydrochloric acid is still in existence and has not yet been clarified, it may not be possible to find out what happened in these two locations. However, Pheren still notified the paparazzi to follow up, keeping an eye out for suspicious characters in these two areas. At the same time, he also called the uniformed patrol department and asked them to step up spot checks on passers-by's luggage and belongings during the day.

After everyone had eaten, Fei Lun scooped up the leftovers in the box, made up half a box, and asked Shi to send it to Luo Chen.

When Shi resolutely returned, Fei Lun immediately began to arrange the next day's work, and said, "Tomorrow, Tortoiseshell and Ah Dong don't have to come to the serious crime team, and go directly to investigate the situation of the underground trade in hydrochloric acid." Tonight, Qiangzi, you go to check on these two patients with determination, and if you can't find anyone, forget it, and once you find someone, ask them one by one with the questions I wrote on the paper, and then write down their answers word for word. As he spoke, Pheren handed over a piece of paper with the names and questions of two mentally ill people written on them.

“YES，SIR！”

"As for A-Ning, you wait a minute, follow me to find the other two guys."

"OKAY, SIR!"

"Okay, that's it for today, tortoiseshell and Adong, you two go back and rest first."

Dai Yan hesitated: "Fei SIR, several of you are working overtime, and Ah Dong and I can't go back?" ”

Fei Lun straightened his face and said, "What can't you say? This is called a different division of labor, get out of here! ”

Dai Yan and Li Lidong left in a huff.

Later, the four of them went their separate ways, and he took Mo Wanning to the vicinity of the Taikoo subway station to find the patients on the list of the two underground clinics. Unfortunately, after finding it, he asked some questions, and Pheren quickly ruled out the suspicion of these two people.

Just when Fei Lun wanted to call Qiu Zhaoqiang and the others, him and Mo Wanning to call it a day, Shi resolutely called.

As soon as Fei Lun connected the phone, as soon as he put the phone to his ear, he heard Shi Yiran shouting wildly on the other end: "SIR, maybe Brother Qiang and I have found the murderer, Brother Qiang has already pursued him, and the location is in a side alley of Haiguang Street, Quarry Bay......"

"The phone is on, keep talking, you hurry up and help, A-Ning and I will come here!" After saying this, Fei Lun beckoned Mo Wanning to get on the Jaguar and galloped in the direction of Quarry Bay. When Fei Lun arrived at the fork in the road between Finney Street and Haiguang Street, Shi resolutely shouted that he and Qiu Zhaoqiang had chased him to Haikang Street next door, and charged the suspect.

Fei Lun immediately instructed to take the suspect back to Haiguang Street, and they found that there was something suspicious about each other.

Not long after, the four of them converged in the side alley of Haiguang Street. Feren finally saw the appearance of the suspect, a middle-aged man with unkempt hair and blue buckteeth.

"What's your name?"

"Cheng ...... Chengren! As he spoke, the guy's eyes were tilted upward, and it was obvious that he had suffered a head wound and had a brain problem, which affected his intelligence.

"I know you're an adult, and I asked you what your name was."

"Cheng, Chengren!"

SHI RESOLUTELY EXPLAINED FROM THE SIDE: "SIR, WE ASKED JUST NOW, HIS SURNAME IS CHENG, AND HIS SINGLE NAME IS BENEVOLENT. ”

When Fei Lun heard this, the corners of his mouth twitched slightly, and said, "There doesn't seem to be this person on the list I gave you, right?" ”

"This ......"

"Tell me how you found him?"

Qiu Zhaoqiang pointed to a garbage pile ten meters away, and said: "When I found this guy, he was squatting there with a blunt knife to cut something, I called out to him, he got up and ran, I quickly chased after him." ”

Fei Lun bowed slightly, and was quite comfortable with Qiu Zhaoqiang's judgment, and immediately put on his gloves and said, "You guys are waiting here, I'll go over and take a look." With that, he leaned towards the garbage heap, and soon found blood stains on the ground and a pile of freshly cut pieces of meat.

Seeing the incision of the meat piece, Fei Lun was already seven or eight points sure that this mentally retarded person named Chengren should not be related to the broken leg case, he reached into the garbage heap and rummaged through it, and found a plastic bag similar to the broken leg case, and when he opened it, it was another pair of broken legs.

Although it was still an incomplete broken leg, the flesh and bone in it should have come from the two calves of the same person, and the cut was still caused by the blunt knife that Fei Lun imagined. In other words, this pair of calves and the afternoon pair of calves are all the same in terms of cutting tools and techniques, and it should be a serial case.

Even the bad case, the name alone makes Fei Lun feel a little tricky, because the later the murderer is caught, not only him, but the entire serious crime team will be under more and more pressure.

"This murderer is really crazy, he broke the legs of two people from afternoon to night, even if it is linked, it doesn't need to be connected so fast, right?" FEI LUN WAS MUTTERING TO HIMSELF, AND SHI RESOLUTELY LEANED IN AND ASKED, "SIR, WHAT'S WRONG?" What did you find? ”

Faren casually handed him the plastic bag and said, "You can see for yourself." ”

Shi resolutely opened it and immediately shouted: "Ouch, my mother! "I didn't throw away the plastic bag, but I stretched my arms forward as much as I could, trying to keep the bag as far away from my body as possible.

Mo Wanning looked over and was also taken aback.

Fei Lun walked back to Chengren and asked, "Why are you cutting meat?" ”

"Hungry, hungry...... Eat! ”

"OK, take him back and sue him for illegally disposing of the body."

Hearing Fei Lun's words, Qiu Zhaoqiang's heart was shocked, and he instantly realized that the pile of minced meat was human flesh, and he almost didn't spit it out, so he asked Shi resolutely at the moment: "What is in that bag?" ”

Shi resolutely grimaced, and it took a long time to hold back one word: "Legs!" ”

The next morning, Wang Yipeng held a rare briefing. The participants were not only from Fernan's Serious Crime Group A, but also from Group B.

As a matter of fact, the two groups of serious case AB do not usually hold briefings together, and most of the time they are busy with their own work, and once they have a meeting, they either assign joint operation tasks or major cases occur.

"I think everyone has heard that yesterday, to be precise, between 13 noon and 9 p.m. yesterday, there were two cases of serious wounding in Hong Kong Island Region, serial, who were the specific victims, I don't know, where the scene of the first crime was, we don't know, we don't know, we only know that two people lost their legs......"

As soon as Wang Yipeng's words came out, the colleagues in Group B who heard the news were in an uproar.

"Isn't it? We're going to be busy now! ”

"JUST NOW, WANG SIR SAID THAT IT WAS A SERIAL CASE, WOULD THERE BE A SERIAL MURDERER WHO WOULD COMMIT CRIMES SO CRAZY AND CONTINUOUSLY?".

"How is it possible? The serial murderers are all perverts. (To be continued)