Chapter 589

"At 11:00 p.m. the day before the signing ceremony, target 1 entered the elevator to spray with combustion supporting agent."

Xu Xiaodong walks into the elevator and compares with the spray bottle on his hand. On the night of the 24th, the police are restoring the whole crime scene. If they want to clear up the crime scene, they have to put themselves in a position to feel it.

In addition to the police involved in the case, Chen Shi also came with Tao Yueyue. She said she wanted to come and have a look. Anyway, tonight was just the scene, and Chen Shi brought her.

"Shortly after that, target 2 entered the elevator and installed a pilot under the emergency button."

Lin Qiupu is reading the case, and Xu Xiaodong cooperates to repeat it.

After identification, the igniter is two plastic sheets containing trace mercury fulminate and yellow phosphorus. As long as it is pressed lightly, it will spray fire and ignite the paint on the wall. It must be said that the person who planned this crime was really a fantastic idea.

"Uncle Chen, is it easier to kill people if you know something about chemistry?" Asked Tao Yueyue in a low voice.

"Not necessarily. Some dangerous goods are hard to get, and the technical police are experts." Chen Shi said.

Peng sijue looked back at them and Chen Shi said, "let's discuss the case. By the way, can we find out the source of the kindling?"

"It's very difficult. These things are the chemical products in the cannon that children usually play with. After purification, the murderer can make his own as long as he knows some chemical knowledge."

Tao Yueyue said, "why not use them to kill people directly?"

"It takes a lot, a lot, yellow phosphorus burns very fast, maybe it has to be mixed with sawdust and gunpowder. If you buy so many guns, you will be doubted."

Tao Yueyue nodded, and Lin Qiupu frowned, "can't you talk about something else? How can we teach children such things? "

"That's what my kids like," Chen said

Lin Qiupu shook his head. "The failure of education! Go upstairs! "

When they came to the third floor, Lin Qiupu said, "it was about 9 o'clock the night before the signing ceremony. Target 3 came here, removed the cover of the main control board, connected the serial port with a laptop to cover the elevator control program. He may have put a mobile phone for remote control."

Lin Dongxue said: "as long as you dial with your mobile phone, the elevator will fall down?"

"We speculated that it was, but the tool was recovered afterwards, and the elevator program was covered back, leaving no trace."

Staring at the main control board, Chen Shi thinks of Sun Zhen. He wrote a virus to tamper with elevator programs when he was young, but Zhou Tiannan himself is also a programming expert, which should be difficult for him.

Chen Shi said, "this is a very important part of the whole murder. What's the name of target 3?"

Lin took a look at the record and replied: "Cheng Liwei, an ordinary office worker, is a salesman. He knows nothing about programming. The black hat man taught him how to do it However, this guy was suspected of killing his wife and was released for lack of evidence. "

"Sure enough, he is the one who has received the" favor "and will be entrusted with the important task." Chen Shi nods.

Tao Yueyue asked, "why not just use the elevator to kill the dead?"

Chen Shi explained: "elevators have hardware and software insurance. These are independent. Most elevators have buffer devices up and down. If you want to kill someone with an elevator, you have to cut the cable from the top, but it's almost impossible. The cable is thicker than your wrist."

"The elevator door is more dangerous than the elevator itself, someone has been cut off by the elevator door," Peng said

"One more person needs to be added, target 4. Before the first three people sneaked in to do something, target 4 crashed into a car parked outside, had a small dispute with the owner and attracted the attention of the security guard," Lin said.

Chen Shi said, "how long does it last?"

"According to the security guard, the two men quarreled for a long time, and then came to the traffic police. They looked like twenty minutes."

Lin Dongxue said: "four security guards, even one didn't notice how nervous someone was sneaking in."

Chen Shidao: "target 4 is a beautiful woman. She was dressed very hot and sexy that night. Where do you think the security guards can see?"

"Oh, man!" Lin Dongxue sighs.

A group of people came to the room where the dead lived. It was located on the 16th floor. Lin Qiupu pushed the door open, but there was no light in the room. From the window, they could see the bright night scene below. Lin Qiupu said, "the dead stayed here overnight before the signing ceremony. At 7:00 am before the signing ceremony, target 5 dressed as a cleaner entered here and sprayed poison on the collar of the dead's shirt For the sake of safety, she sprayed all the shirts in the wardrobe

Burns Jue added: "poison is mixed with fragrance, and the dead usually spray this perfume, so it is unaware."

Lin Dongxue said, "why doesn't she poison the water dispenser directly?"

"The killing effect of poisoning is not good. If the dosage is small, it is easy to rescue. If the dosage is too large, there will be peculiar smell. Unless the taste of the food itself is great and can be covered up, but the dead only eat porridge, bread and juice in the morning, which are not easy to poison."

Chen Shi said: "this is the plan of the murderer behind the scenes. If the drug is directly administered, the success rate is not high. The poisoner himself becomes the murderer directly. The effect he expects is that even if we arrest all the suspects, we can only stare."

The murder was like an unprecedented performance. Chen Shi thought to himself that Zhou Tiannan seemed to show off his omnipotence on purpose.

He should not be content with simple ways of killing people.

Lin Qiupu said: "this No. 5 is also the target we focus on. She is the boss of a small company. She was once prosecuted for business crimes, but her key witness, her accountant, disappeared mysteriously and was finally acquitted Mr. Chen, as you said, No. 5 is also a person who has received "favors."

"It seems that there is a feeling of keeping soldiers for thousands of days and using them for a while." Chen Shi sighed.

"Let's go to the scene!" Lin said.

When people came downstairs, the scene had been cleaned for a long time. Lin Qiupu turned around in the empty hall and said: "on the day of the signing ceremony, there were six people who appeared here. They were all assigned to create confusion. Some were responsible for poisoning food, some were responsible for bringing suspicious items to attract the attention of bodyguards, some were responsible for making phone calls and falsely claiming that there was a bomb in the house, and others were responsible for it It's up to you to turn off the surveillance. "

"The poison in that reporter is not fatal. It's actually glycerin, or Kaiselu, which can cause acute stomach spasm when eaten into the stomach," Peng said

"It's disgusting!" Said Xu Xiaodong.

Chen Shi looked around and said, "I always think the chaos created on site is a little bit of a pediatrician. If I'm behind the scenes, at least put the fire on."

Lin Qiupu said: "setting fire is definitely the next step. One is not easy to control, and the other is that the dead may not enter the elevator It's common sense not to enter the elevator in case of fire. "

"If the fire spreads, it may ignite the paint in the elevator in advance, so the murderer's plan will go bankrupt," Peng added

Lin Dongxue asked, "what if someone else occupied the elevator at that time, or shared it with the dead?"

"On this point, after the chaos of the monitoring and display scene, the dead man was escorted into the elevator by the bodyguard at the first time, and pushed out a person who was going to take the elevator. The bodyguard said that this was the order they received, which was sent by the team leader through the walkie talkie."

Chen Shi ponders, "the dead is like a frightened bird. Generally speaking, there is chaos at the scene. As the moderator, he should stand out at the first time to maintain order, but his choice is to leave quickly. Qu Jing'an has been fighting in the business world for so many years, and this etiquette cannot be unknown The number of bodyguards on the scene has doubled temporarily, as if he had predicted that something bad would happen... "

Lin Dongxue came to a conclusion for him, "you mean, the dead had received a homicide notice before!"