"That's strange," Mi Bao asked. "Why is there milk on the paper?"
Li Xiyue said, "We'll know if we burn it!"
She took out a lighter from her spatial supplies and heated the paper under the flame.
The area that was baked slowly revealed yellow lettering due to the excessively high temperature.
Li Xiyue's pupils suddenly contracted; she had guessed correctly!
She quickly turned off the lighter and looked at the word that was displayed.
Honey said, "My goodness! Words appeared after being heated by fire? What's the principle behind this?"
Li Xiyue said, "This is the reason why milk is prone to burning!"
Milk burns easily, so the temperature is lower than that at which paper turns yellow or black.
When you heat paper with fire, the areas soaked in milk will easily turn yellow, and the words will become visible.
This technique of baking paper until it turns yellow is truly a skill; if not done properly, the paper itself will burn.
"Let's bake out all the words and see what he wrote," Mi Bao said.
Li Xiyue said, "That won't do. This is evidence. If we burn out all the words, no one will believe that this letter is the one without words."
The police officers still need to bake it themselves, let them bake the words until they appear, then they'll believe it.
"But how could they possibly think that this letter might have been written by Milk?" Honey said.
Li Xiyue pondered for a moment and said, "That is indeed a problem. If we can't figure it out, we'll miss out on this letter!"
She walked around the room a few times; it was quite large and filled with shelves.
The shelves were filled with case files and evidence from various cases.
The key question is how to alert the police officers that there's something wrong with this letter?
Li Xiyue's gaze shifted, and she said to Mi Bao, "See that power line hanging on the wall? We can only rely on this power line!"
In those days, electrical wires were directly nailed to the wall and run exposed, unlike in later eras when wires were buried in the wall by cutting grooves in the wall.
These kinds of electrical wires can easily fall off the roof due to loose nails or some other reason.
Honey looked up at the power lines hanging from the ceiling and asked, "How do I lean against this power line?"
Li Xiyue said, "If the wire comes loose from the connection point and falls down, and the two wires touch each other, wouldn't there be sparks?"
"If there's a spark, does it mean it'll catch fire? If it catches fire, and this letter gets burned, you know what will happen!"
Honeybee immediately understood what Li Xiyue meant. It clapped its little hands and said, "Hahaha, I get it! It's arson! I'm good at that!! Don't worry, I guarantee I'll complete the mission."
Li Xiyue said, "This fire can't be set off carelessly. It has to be just right to burn this letter!"
Honey looked at the shelf's location, shook its head, and said, "Even if the wire falls down, it won't reach this shelf, and it won't be able to accurately burn the letter."
Li Xiyue lightly traced her fingers on her chin, then suddenly raised her hand and pushed the shelf over. As the shelf fell, the file folders on it scattered all over the floor.
Li Xiyue deliberately opened the old Sun family's file folder and poured out its contents, scattering them on the ground.
It was as if the shelf had fallen to the ground, causing the file folder to be accidentally thrown open and its contents to fall out.
She observed the location, and it was perfect!
She said to Mi Bao, "Now, open the wire connection carefully, be careful not to get electrocuted!"
Honey said, "Don't worry! I promise to complete the mission. You quickly hide back in the space, don't get electrocuted!"
Li Xiyue obediently hid back in her spatial dimension.
Honey immediately put on insulated gloves, took out a ladder from its spatial supplies, climbed up the ladder to the roof, and unwrapped the cable connector.
He carelessly threw the wires on the ground, and as the two wires came together, sparks instantly flew from them.
At just the right moment, Mibao took out a lighter and set the front door on fire.
Such a commotion will definitely alert outsiders to the problem!
The door was on fire, and the police officers in the duty room immediately noticed that the government affairs section was on fire!
He hurriedly called his colleagues to come and help put out the fire.
Everyone hurriedly kicked the door open, fearing that the things inside would be burned.
But why did this door catch fire?
No one could figure it out.
The door was kicked open, and everyone saw the two electrical wires lying on the ground, glowing with fire!
It seems that all the mysteries have been solved.
Experienced comrades quickly found wooden sticks and used them to pry the electrical wires away to prevent those who went in to fight the fire from getting electrocuted.
The exposed copper wire ends of electrical wires should be wrapped with insulating cloth to prevent leakage and sparks.
After the wire was pried open, it was wrapped with insulating cloth, and the wire was no longer a problem.
Fortunately, only the main gate caught fire, and a shelf collapsed, with all the items on it falling to the ground.
One of the file folders was burned; a letter was burned and it looks like a corner is missing.
After putting out the fire, everyone began to clean up the things scattered on the ground.
The administrative affairs section is no ordinary department. The staff on duty hurriedly reported this important situation to their superiors, fearing that the evidence inside might be burned!
Upon receiving the news, the bureau chief rushed to the police station to check the burned letters and scattered file folders.
Everyone checked the evidence according to the records in the file folder, and nothing was missing. Fortunately, only a corner of this letter was burned off.
Everyone opened the letter and took out the letter paper. To everyone's surprise, the letter paper, which originally had no words, now revealed two brown characters because a corner had been burned off.
Everyone looked at each other, completely baffled as to what was going on.
The director immediately said, "This letter must have been written with milk. We used to do that when we were secret agents!"
Hear the letter over a candle flame, but don't let the flame get too big; heat it little by little, and all the words will come out.
Li Xiyue had been hiding in her spatial dimension observing the situation at the Public Security Bureau. It was the bureau chief who was so knowledgeable and experienced that he discovered the problem with the letter so quickly!
Mi Bao was eating sunflower seeds in the space, watching the young police officer carefully roast the letter.
Sure enough, after being lightly burned by the fire, almost all the words on the letter were visible.
The young comrade handed the letter with the words burned out to the bureau chief.
The bureau chief read the letter over and his face turned ashen. He immediately ordered the driver to go to the military region!
This matter cannot be delayed. If it is delayed, who knows what kind of losses it will cause to the country?
Li Xiyue took two sunflower seeds from Mi Bao's little hand and said while cracking them open, "Hehe, the mystery is solved! Song Haoqiang still doesn't know how he died!"
Mi Bao said, "The important thing is that it's no use for him to hide anymore, hahaha! Song Haoqiang, that big bad guy, is finally going to show his true colors!"
It's so late, and the police chief is going to the military region to see Commander Zhao. Is he allowed into the military region?
"I wonder if there are any spies in the Public Security Bureau who might tip off Song Haoqiang?"
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