.Sounds funny , but no one’s laughing anymore .

.Every word of this sentence reveals the taste of crime !

.And Li Xiangbin’s face has become cold .

.” This bastard really considers himself a knight in the dark, doesn’t he ? ”

.Wang Ze was silent .

.In his world , there is a TV series about a person who walks in the dark and harvests the life of a criminal .

.But there is a big difference between the two .

.This murderer kills for the sake of killing .

.” Wang team is studying chemistry …”

.Someone whispered .

.Although there is an indirect reminder from Ding Yiyun .

.However, from Tianniu to tetramethylene disulfone tetramine , it is difficult to achieve if it is not very solid in basic chemical skills .

.At the same time , you must have a wild imagination .

.And , in-depth figure out the psychology of the murderer .

.can be seen .

.This murderer is a person with a strong sense of ritual .

.Take the network name like this .

.Murder is predicted so .

.Murder , too .

.Not OCD .

.It’s a personal ritual .

.It also shows from the side that his educational level will not be too low , which confirms Wang Ze’s inference .

.This remark resonated with everyone . 100

.However, they are all used to Wang Ze’s strength , and they are not surprised .

.Li Xiangbin grasped the key point : ” Wang Ze’s chemical knowledge has passed the test , so the murderer’s chemical knowledge may not be achieved by self-study, right ? ”

.” Isn’t he better than you at this point ? ”

.Wang Ze said: ” Of course . ”

.” The chemistry of the killer is unmatched by any of us here , including the forensics department . ”

.” There’s a good chance he’s a top student in the chemistry department . ”

.Li Xiangbin said : ” I suddenly thought of Bai Zhenghao . ”

.In the previous case of cat abuse and murder , the deceased, Bai Zhenghao , was also from the Department of Chemistry .

.Moreover , it belongs to the scholar level .

.Wang Ze was slightly silent and said , ” Bai Zhenghao is a hard worker . ”

.” The murderer in this case should be a genius . ”

.” He learns everything quickly , including adept counter-reconnaissance capabilities . ”

.” If his major is chemistry , then his attainments in chemistry are probably not low . ”

.” This can also explain why he can make tetramethylene disulfone tetramine soluble . ”

.” I don’t know how difficult it is , but I can probably imagine it . ”

.Li Xiangbin : ” Would you like someone to ask ?”

.Wang Ze : ” Do you have an expert you know ?”

.Li Xiangbin : ” No , go to the university and ask . ”

.Wang Ze nodded : ” I’m about to do this , I’ll go tomorrow . ”

.” By the way , have you found anything new ?”

.Hearing this , Wang Xiaotong said, ” I have a new situation on my side . ”

.Wang Ze looked over and said , ” Tell me . ”

.Wang Xiaotong said : ” I found something . ”

.” One of the reasons Lu Qinghui used to defraud is true . ”

.” Her father , indeed, is seriously ill . ”

.” I have checked with the hospital and the medical records are fine . ”

.” But it’s healed . ”

.” After recovering , Lu Qinghui still hasn’t stopped cheating . ”

.Wang Ze was a little surprised : ” It turns out that the fuse of Lu Qinghui’s crime is here . ”

.” I didn’t expect that. ”

.This matter gave Lu Qinghui’s character a bit of decency .

.But it didn’t work .

.No matter how compelling the reason is , it is only moral .

.You have to be excusable .

.What about those victims .

.Do you deserve to be deceived ?

.This clue is of little use in solving the case .

.” Team Li , have you checked the transportation ?”

.Wang Ze turned his head .

.Li Xiangbin said : ” Not yet . ”

.” For every little distance , the workload doubles . ”

.” It will take time . ”

.Wang Ze : ” Okay , I see . ”

.” Haoyu , follow me to Yuncheng University tomorrow morning . ”

.” Others keep busy , rest when they should , don’t be brave . ”

.” We need efficiency and quality of investigation . ”

.In his mind , the outline of the suspect has become more and more clear .

.The beetle is with you .

.this sentence .

.Let the suspect’s personality and psychology be thoroughly exposed .

.At present, as long as there are a few clues , we can go straight to the truth of the case .

.Everyone : ” Yes , the king team . ”

….

.Nine o’clock in the morning the next day .

.Cloud City University .

.In the office building , Wang Ze met a chemistry professor who was not too young , and he seemed to be quite respected .

.His hair was white , and his face had the ravines of the years .

.It should be almost retirement age .

.He was a little surprised when the police came to the door .

.” Urban Criminal Investigation Team ?”

.” Do you need my help with a case ?”

.The old professor was stunned for a moment , then smiled : ” Okay , please speak . ”

.” I’m bound to help if I can . ”

.Wang Ze smiled and said, ” Thank you, old man . ”

.” Actually there is only one problem . ”

.” Do you know about tetramethylene disulfone tetramine ?”

.The old professor pondered a little : ” tetramethylene disulfone tetramine …”

.” I know , poison rats are strong . ”

.” It’s an organic compound , a neurotoxin , which is very toxic . ”

.” Now the country has banned production and sales . ”

.” But in remote rural areas , it may still be found . ”

.Wang Ze : ” What about its nature ?”

.The old professor smiled : ” Nature ? Are you coming to test me ?”

.” Molecular weight 240 , melting point 250 , boiling point 500 , white powder , extremely insoluble . ”

.Wang Ze said with a smile : “The old gentleman is indeed a senior chemistry professor .

.The old professor waved his hand : ” This is what I do . ”

.Wang Ze : ” Sir , do you think it is possible to make this thing soluble ?”

.The old professor wondered : ” Easy to dissolve ?”

.” Why make it soluble ?”

.” It’s already very dangerous , and it’s easy to dissolve , so it’s not more dangerous . ”

.” If anyone studies this , they’ll go to jail . ”

.Wang Ze said patiently, ” Can you give me a positive answer ?”

.Old professor : ” Insoluble is relative to the solvent. Which solvent are you talking about ? ”

.Wang Ze said: ” Water , wine , or drink coffee . ”

.” Is that so …” The old professor pondered for a while and said , ” It is possible , but the process is more complicated . ”

.Wang Ze : ” What kind of person can do it ?”

.The old professor said: ” At least they must be high-end talents majoring in chemistry . ”

.Wang Ze : ” Can you ?”

.Old professor : ” give me some time , okay . ”

Chapter 290 _ you be careful ? 2 ?

.Inside the office .

.Wang Ze continued to ask , ” Is it okay to study by myself ?”

.Old professor : ” Self-study ?”

.” I’m afraid that’s unlikely , it’s more difficult . ~”

.” Generally, what we study is to convert soluble substances into insoluble substances . ”

.”The other way around , it ‘s too unpopular . ”

.” It seems that there is no need for this kind of process . ”

.After he finished speaking , he glanced at Wang Ze and said , ” Someone used tetramethylene disulfane tetramine to kill someone ?”

.Wang Ze did not speak .

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