cicada

Chapter 904 Clues Concatenation (2)

After three days of large-scale investigation, Wu Chunyang and Wu Jingzhong found three suspects. Zuo Zhong did not express his opinion after listening, but let the second office continue to report.

Gu Qi straightened his chest, exchanged glances with Song Minghao, saw that the other party signaled him to speak first, and got up to talk about their latest progress.

"Senior seat, bonfires and poisoning cases are two detection directions, in order to open up the situation as soon as possible, we decided to be responsible for each of them.

I will be responsible for finding the suspects related to the bonfire, and Lao Song will lead people to solve the poisoning case. Let me first talk about my findings.

You said before that the spies who appeared on the No. [-] campfire should be nearby villagers and woodcutters, and they can freely enter and leave the mountains around the Huangshan official residence without being suspected.

The person who lit the No. 1 bonfire was a man with a strong military background, a man with a military background, who knew how to use an engineering shovel and a hatchet, and was between 58 and 1 meters tall.

The spies of Bonfire No. [-] can get gasoline, which is in short supply. Their identities should not be simple, and they may be related to the air defense force.

Following these three lines, we brought 5 villages within a 11-kilometer radius of the official residence, troops stationed around Huangshan Mountain, and air defense forces into the investigation line of sight.

So far, a total of 1141 eligible suspects have been found. Using the channel of the Gelaohui, I screened these people one by one and found many suspicious targets. "

He spread out several personnel household registration files, and began to introduce one by one:
"Suspect A, male, 24 years old, moved from other places to Linji Village in the 25th year of the Republic of China, made a living by chopping firewood, unmarried.

Suspect B, male, 41 years old, served in the Sichuan Army, received basic engineering training, and joined the police station after being dismissed. He is married and has 4 children at home.

Suspect C, male, 34 years old, captain and chief of the air defense force, according to investigations, he had a close relationship with the black market personnel in the mountain city, and many materials were lost in the camp.

Suspect Ding......"

Gu Qi told the basic information, background and past experience of more than a dozen suspects in one breath, and even who he had contact with and what he had said. This is the power of the country.

Zuo Zhong listened and took notes, stopping from time to time to ask a question, but he still didn't make a statement. In his position, he had to be cautious when making decisions.

After Gu Qi finished speaking, he put down his pen and looked at Song Minghao: "Old Song, tell me too, how many people died in the air defense force, and has the type of toxin been determined?"

"A total of 24 officers and soldiers died, and 135 officers and soldiers were permanently injured. This is still timely rescue, otherwise the loss will be even greater."

Song Minghao briefly reported the casualties, and then replied: "According to the inspection of the physical evidence at the scene by the technicians, it can be confirmed that the spies added oleander skin to the vegetable soup that night."

It turned out to be oleander, no wonder the toxicity is so strong, Zuo Zhong suddenly realized.

People in the world often say that the more beautiful things are, the more dangerous they are. Oleander is one of them. Its bright red flowers are blooming almost all year round.

But the whole plant is highly poisonous, because its toxin is in the sap, and it can kill a person whether it is in the flowers, leaves, or branches.

Even the smoke produced by burning branches and leaves is still extremely toxic after the branches are dry, which is more stable than some synthetic toxins.

After oleander poisoning, patients will initially feel dizzy, nausea, abdominal pain, diarrhea, etc., and then begin to have arrhythmia and irregular heartbeat.

In the end, ventricular fibrillation, syncope, convulsions, tachycardia, and ectopic heart rhythm occur. If the patient is not rescued in time, the patient will die of circulatory failure.

Compared with artificial toxins, it has another advantage, that is, it is easy to obtain. After the oleander was introduced into the Republic of China during the former dynasty, it was widely distributed in the south of Changjiang.

There are many wild oleanders in Mount Huangshan. Spies only need to find a reason to go up the mountain, and they can find the bark enough to paralyze the entire air defense force.

Zuo Zhong felt that it would be difficult to investigate the poisoning case from the source of the poison, so he turned his head and asked, "Did the person who poisoned him not be found?"

"Yes, co-seat."

Song Minghao's face turned bitter, he almost dragged the dog raised by the air defense force to the interrogation room, but he still didn't find any usable clues, let alone a suspect.

Worried about Zuo Zhong's blame, he immediately explained: "The most suspected kitchen staff and helpers drank the most soup, so they were most poisoned, and all of them were killed.

Moreover, discipline in the camp was lax, and many people had been to the kitchen. No one could tell how many people had appeared nearby that day. It was difficult to identify the murderer from the trajectory of their actions.

The humble staff had to check the bunks and belongings of all the personnel in the camp, but there was no result, but please rest assured, we will catch this person as soon as possible. "

He was sweating profusely and issued the military order. After following Zuo Zhong for so long, everyone present knew that it was useless to shirk responsibility. The deputy director only wanted results.

"kindness……"

"Da~da~da~"

Zuo Zhong pondered for a moment, looked at the records in the notebook, and tapped his fingers on the table lightly. After a long time, he slowly looked up at Song Minghao, who was tense all over, and comforted him with a smile.

"Don't be nervous, everyone. This is how you do your job. It can't be smooth sailing. If there are no new clues, then dig out the existing clues and learn to use lateral thinking.

Just like this poisoning case, according to logic and common sense, in order to escape suspicion, the person who poisoned would definitely resort to tricks. Do you have any objections to this point? "

"No."

Hearing his question, everyone shook their heads in unison. Spies are not stupid. If everyone else is poisoned, and the other party is not poisoned, then the idiot will know who the poisoner is.

The Japanese are not only cruel to others, they are even more cruel to themselves. They will definitely do something like taking poison by themselves. Besides, as long as the dose of oleander is controlled and the poison is taken before the rescue arrives, there will be no danger to life.

Seeing that his subordinates had no objections, Zuo Zhong went on to say, "Okay, since everyone agrees with this point of view, then I'll ask another question.

There is a very high possibility that the spies of Campfire No. [-] and the spies of the Air Defense Force are the same person. Do you accept this inference? "

"accept."

Everyone replied again, intelligence personnel are not Chinese cabbage, and the Japanese don't need to arrange two spies in a small army, so even if the devils give all the funds to the intelligence department, it will not be enough.

Combining the above two conjectures, the last bonfire was lit, and the spy who poisoned the food was probably a person. This person first poisoned, then left the camp to set fire, and then returned to the camp to pretend to be poisoned.

The lax discipline of the Guo army can be seen from this. It is fine for irrelevant personnel to enter and exit the kitchen. After all, they are in the camp, and it is understandable for people to mix in.

But it is unimaginable that no one saw a person entering and leaving the barracks, which means that the defense system of the entire air defense force is useless.

Zuo Zhong made complaints about Guo Jun, got up and came to the window of the study, looking at the mountains in the due north direction, he asked Song Minghao another question.

"Old Song, how long does it take to go from the air defense unit station to the No. [-] bonfire? What I'm talking about is that if you want to ignite so many bushes under heavy load, you will definitely not use too little gasoline."

For this question, Song Minghao gave an answer after careful consideration: "The straight-line distance between these two points is only more than 300 meters, but as the saying goes, it takes at least 15 to 20 minutes to walk with a load on the mountain."

"Okay, let's say 15 minutes."

Hearing this, Zuo Zhong turned around and estimated the spy's action time: "It will take at least 10 minutes to collect a large amount of igniter and pour fuel to ignite it.

Including returning to the barracks, the whole process takes about 40 minutes. This time difference is the key to finding the target. Let me test everyone, what should I do? "

40 minutes……

Is there a necessary connection with finding the goal?

Everyone was lost in thought. Could it be judged by the severity of poisoning symptoms┴? The spy was indeed poisoned long after other people were poisoned, and then the doctor arrived.

It stands to reason that the symptoms the other party showed at that time should not be serious. If the medical staff had an impression of the patient, they would be able to find the suspect soon, but there is one thing they cannot be sure of.

——How cruel is the spy to himself.

Spies are professional intelligence personnel, so they would not fail to think of this loophole. If this person is determined to ingest more oleander toxin than other people, it will be meaningless to look at the symptoms┴.

Looking at the frowning crowd, Zuo Zhong pointed to his head in disappointment: "You guys, how many times have I told you that you must learn to use your brains and learn to look at problems comprehensively.

It is uncertain how much toxin the Spies ingested, but what about other poisoned personnel, they always remember how much vegetable soup they drank that day, supplemented by the eating time, the problem will be solved. "

After he finished speaking, seeing his subordinates still looked confused, he leaned over and opened the book helplessly, drew an "L" shape pattern on the paper with a pen, and muttered words.

"Next, you should make statistics first. Set the eating time of the poisoned person on the horizontal axis on the day, and the amount of food eaten on the vertical axis. The intersection of them represents the current degree of recovery of the person.

These three are directly related, ignoring the treatment gap between officers and soldiers, the more people who drink vegetable soup or the later they drink, the more serious their current symptoms should be, and vice versa. "

As he said that, Zuo Zhong drew a few points on the horizontal and vertical axes of the "L" shape, and then connected their intersection points with a curved line to form a peak line map.

Then he wrote the four characters "Physical Condition" on the top of the peak line chart. After finishing writing, he threw the pen aside and added to the people whose eyes were getting brighter.

"If the physical condition is specified, it refers to the four data of body temperature, pulse, respiration, and blood pressure. Combining these four data with the intersection point┴ respectively, a recovery trend map can be obtained.

Relying on the recovery trend chart, we can know what the body temperature and blood pressure of the poisoned person who drank a certain amount of vegetable soup should be at a certain time. The data and physical reactions will not lie.

Although due to the difference in individual physique and tolerance, even if the poisoned person eats at the same time or drinks the same amount of vegetable soup, the signs after treatment are not exactly the same.

But this gap will not be too big, there will be a general range, the Spies are different, the opponent's data on the horizontal and vertical axes are all fake, and the physical signs are naturally different from those of the real poisoned people.

Substitute the data of all people and find out the person with the biggest difference in physical signs. The other party is our suspect. Simply put, it is to use other people as references to find abnormal points.

Everyone must remember that the most powerful weapon of our intelligence personnel is not guns, but wisdom. Otherwise, why didn't Shangfeng directly find an elite army and adapt it into a military command. "

Zuo Zhong reprimanded him with a bit of hatred for iron and steel, using an idiom to describe their business as a battle of wits and courage, wisdom is ahead of courage, intelligence work is not good without brains.

Wu Chunyang and others were ashamed when they heard the words, but at the same time they benefited a lot. They used statistics to solve the case, and the deputy director taught them another lesson.

"I don't need to say more about what to do after finding the suspect. I would like to remind you that there are no more than three people in the air defense force who know the function of the official residence."

When his subordinates were reflecting, Zuo Zhong said with a dark face, if everyone couldn't keep up with the train of thought this time, he would scold them.

"No need, co-seat."

Everyone shook their heads quickly. Since only a few people knew who lived in the mansion, assuming there was no problem with these people, then there must be someone else who leaked information about the mansion.

The most likely one is a member of the mansion. Regardless of whether the spy who poisoned him took over with the other party or other Japanese spies, he must always contact his superiors to receive orders.

The military command can completely follow this clue to investigate further. Everyone seems to have smelled the enemy. With a clear detection direction, it is only a matter of time before the case is solved.

"Well, I'm not stupid enough yet."

Zuo Zhong made a joke, and his face immediately turned serious: "One must continue to monitor and investigate Qiu Dacai, Xing Tie, and Fang Wei, especially the half-closed door and Xing Tie's missing wife.

The Second Office will continue to look for suspects who meet the screening conditions, and find out the poisoner according to the thinking I just had. The poisoning case is related to the No. [-] bonfire. If necessary, we can conduct joint investigations.

Old Gu, you have to pay attention to one thing. From now on, your work here must be absolutely confidential, and the Gelaohui cannot be allowed to participate. All intelligence personnel with Southwest relatives within three generations should also be excluded.

Today is the last mobilization before the war, and the next meeting will be the deployment meeting before arresting people. Everyone must do a solid job, and the evidence and witnesses must be fixed and protected. That's enough, let's end the meeting. "

After assigning the task, he waved his hands to let his subordinates leave, and then whispered a few words to Wu Chunyang, who was left behind. Wu Chunyang nodded in surprise after hearing this, and walked out of the grass pavilion quickly.

(End of this chapter)