"Are there many surveillance cameras in this yard?" While driving, Bai Song's heartbeat had soared to over 120, but he still asked casually.
"without……"
"There are four, and their locations are very inconspicuous. But it's okay. I told Huahua not to tell anyone if she finds them." Ji Yue interrupted Wang Huadong.
Wang Huadong turned his head and stared at the two dogs with his eyes wide open, feeling that he was inferior to the dogs. He then asked, "It... they... how... how did they find out..."
"I smelled it," Ji Yue said as a matter of course. "Iron itself has no smell, but when human skin comes into contact with iron, the iron is oxidized to form ferrous ions, and then becomes trivalent iron, which eventually reduces some of the body's lipid peroxides to 1-octen-3-one. Huahua is very sensitive to this smell, and the few locations they found are quite special. They must be cameras. However, it's fortunate that it's a brick house. If it was reinforced concrete in the city, you wouldn't be able to smell it."
For dogs, bustling urban areas with heavy traffic are a nightmare, while these rural areas are most suitable for them to display their abilities.
"Have you seen it?" Wang Huadong still looked shocked.
"If I see them, I'll be exposed," Ji Yue stroked the dog, "They are my eyes."
“What if no one touched the camera and there was no ketone?” Wang Huadong felt that he had to argue and maintain human dignity.
"That doesn't matter. When metallic iron is processed, its purity cannot be too pure. There will be carbon and phosphorus in it. The rain in the south is acidic, and coupled with wind and sun, some ironware will be slightly corroded and release small organic phosphorus molecules. As long as the concentration is above 0.1 nanograms per cubic meter, they can smell it." Ji Yue said as a matter of course.
“One nanogram per ten cubic meters…” Wang Huadong suddenly felt that he had failed in his argument and his life was bleak.
…
Bai Song and Wang Huadong were both silent as they had come across this unit of measurement recently due to a hospital case.
…
At this moment, Bai Song felt that his heartbeat had become much calmer, and the feeling that humans are inferior to dogs gradually resonated with Wang Huadong.
Seeing that such a secret camera was installed, Bai Song didn't hesitate any longer and immediately called the Qin Detachment to report the situation. There must be something wrong with this place.
Block the door! Go!
Although there is a high probability of alerting the enemy, it is a rare opportunity to have such good luck and we cannot miss it!
Although it is only the conclusion of two dogs, since everyone came here to investigate first, they must have felt that this place was the most suspicious. Therefore, it cannot be completely regarded as a coincidence. It can only be said that Wang Huadong, Sun Jie, Wang Liang and others are indeed reliable.
Moreover, after interacting with Ji Yue over the past two days, Bai Song has great trust in this man. A man who can run so far for a dog is more trustworthy than most people.
Bai Song's phone call really alarmed too many people.
They parked the two cars together a hundred meters away. Bai Song explained the situation to everyone and waited quietly for the arrival of the support team.
"Is it really here?" Wang Liang's eyes widened: "What kind of camera is this? I really want to go and take a look."
"You'll know in a minute, won't you?" Wang Huadong was very impressed by Huahua and her abilities. At this moment, he had turned into a little fanboy. He turned around and asked Ji Yue, "Is this dog easy to train? I want to raise one, too. What should I do?"
"It's very difficult," Ji Yue said truthfully, "Training them is more difficult than training an excellent police officer. Of course, they are also part of the police force."
"Yeah, that's for sure." Wang Huadong moved closer, wanting to touch Huahua, but he still didn't do anything, as a kind of respect for Ji Yue.
For dogs with a keen sense of smell, many times, some smells that are no big deal to humans are a disaster to them.
About half an hour later, Bai Song received a call from Bian Zong, the head of the Municipal Bureau, who said that they were already nearby and were ready to cooperate with the operation at any time.
Where?
Bai Song looked around and found a few people who looked like policemen. If it weren't for the phone, he wouldn't have known that these people were policemen at first glance.
Then, Bai Song received a call from the local police, who had sent a special police squadron over, but the first step was still taken by the police from the police station.
Everything was ready. The first wave to go in were "policemen from the police station". Of course, they were disguised policemen from the police station. There were four people who went in, one dressed as a policeman and three dressed as auxiliary policemen. They were all members of the local criminal police team. They brought bulletproof vests and guns and went in to conduct the first wave of investigation.
It can be seen that the local police attach great importance to the issues raised by Bai Song and others.
This has to be attributed to the fact that what happened the night before was too serious and the people here are already too nervous.
48-hour non-stop patrol is not an easy task.
The leaders of the Changhe Municipal Bureau have always attached great importance to this, so the Qin Detachment responded to our request for help so quickly.
In fact, there is a special agency for the interconnection of provincial-level administrative units, but it is only responsible for matchmaking. The real connection is usually done by department-level cadres at the level of Qin Detachment.
In the municipality of Tianhua City, a division-level cadre may not seem that impressive, but in the public security systems of many places, this is already a high-ranking official.
Bai Song was also under a lot of pressure. If nothing was discovered in such a large-scale operation, all the responsibility would be borne by him, Captain Bai, and he would not be able to push it onto anyone else.
But Captain Bai has never been afraid of taking responsibility!
Four detectives knocked on the door, but no one opened it, so they kept knocking.
There were police officers all around within a hundred or two hundred meters, so they were not afraid that the people inside would run out through the back door, so the four policemen remained calm and knocked on the door slowly.
The gate of the yard slowly opened. The whole yard was covered with a layer of colored steel tiles to protect it from wind and rain, and it looked a bit shabby. A young man opened the door, handed cigarettes to the four policemen very politely, and asked what was going on.
"Someone called the police and said there were contraband in your yard. Let's go over here and take a look." The criminal police officer in police uniform took the cigarette and lit it. "Let's go in and take a look."
"Come in, come in..." The man smiled and invited the four policemen in. "This is a factory with no place to sit. Oh, I thought something happened. I guess I offended someone recently. You know, although our factory is not big, it has good efficiency. People hate us! Contraband... How can we have contraband here..."
The man took the opportunity to stuff the good cigarette in his hand into the policeman's pocket, and the policeman put it in his pocket.
Seeing this scene, the man was very happy and immediately signaled to the police that he could talk to him alone, making it clear that he wanted to give him a benefit.
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