Sweetheart listened to Yuchi Rong's tone, and she felt that it was indescribable. She vaguely felt that Lisa died or disappeared, a very mysterious thing, or even an ulterior motive.

The Yuchi family is so big, and Yuchi Rong is also a senior police superintendent. If you want to investigate the whereabouts of a little girl, you can see people living and dead or corpses, you won’t have any clues at all, right?

She didn't dare to ask and knew that she shouldn't ask. If Yuchi Rong wanted to say something, she would always take the initiative to say it, so she just said sadly: "I'm a little...sorry."

"It's nothing, it's all the past." Yuchi Rong smiled and suddenly opened the black box in his hand.

Sweetheart looked curiously and saw that the black box was divided into three layers, with a pair of white gloves on the top layer, and several small bags of physical evidence that are often seen in detective films that are neatly stacked.

The middle layer is a variety of tools, brushes, tweezers, cotton swabs, flashlights, etc. Everything is placed where it should be, without any confusion.

The bottom layer is several bottles of liquid or solid containers, a spray bottle. Yuchi Rong took out the spray bottle and asked sweetheart: "What is that?"

"What do you think of a little magic?" Yuchi Rong suddenly raised the corner of his lips, like a cunning cat playing with prey.

Sweetheart, the curious little cat, was completely attracted by the mysterious atmosphere at the moment, and the exquisite toolbox in Yuchi Rong's hand, so that she forgot about fear and nodded happily: "What kind of magic is it?"

Yuchi Rong closed the black box and suddenly sprayed the liquid in the spray bottle to the ground and around him.

In an instant, fireflies began to flash in the dim light, both strange and beautiful, just like the star light on the "Tree of Life" in "Avatar", and like the fluorescent jellyfish on the edge of the Japanese sea. Sweetheart was stunned and opened her eyes wide and asked, "What is this? Why does it shine?"

"It will be terrible to say it." Yuchi Rong put on special sunglasses so that he could identify the traces more clearly. He said lightly and seriously, "The light is full of blood."

"Ah!" Sweetheart's brain exploded, and her scalp became numb! She didn't expect that the normal-looking places in front of her were all covered in blood! And she had been lying in such a place for so long last time!!!

Qinglang said it was indeed correct, it was indeed very unclean!!!

"Why are there so much blood? Why do these bloods turn blue?"

"You really have 100,000 whys." Yuchi Rong raised his eyebrows, "If you love being a Curious Baby so much, you might as well follow me as a policeman and learn criminal investigation."

Sweetheart thought for a while, wouldn’t it meant to go to and from many murder scenes?

"I just want to know why it shines..." She was curious and begged, "Tell me."

Yuchi Rong smiled and explained: "This liquid is called luminol reagent, also known as luminescent ammonia. The luminol components in this reagent can react to heme and produce blue-purple fluorescence. No matter how long it takes for the blood, or how scrubbing it, it will be immediately indicated."

"It sounds so profound..." Sweetheart sighed from the bottom of her heart and couldn't help but complain, "I've given all my chemistry to the teacher. What... ammonia, it looks very fun."

"Of course it's not for you to play with. This kind of thing is irritating to the respiratory tract." Yuchi Rong reminded.

Sweetheart looked quietly, Yuchi Rong immediately put on his gloves and took out a cotton swab, wiped it gently in several places with obvious fluorescence, and then put it into a sealed bag. He was extremely delicate and careful. Ordinary people could not do such a meticulous and time-consuming thing.

"These places are very dark in color, does it mean that there are a lot of blood in these places?"

"The guess is almost the same." Yuchi Rong explained in detail, "The blood here is splattered, and there are two possibilities for this shape: 1. The blood is wiped by someone, changing the original trajectory; 2. Someone is injured here. If the artery is cut, the blood often becomes splattered, while the venous bleeding will appear dripping. How to determine whether it is arterial blood or venous blood depends on the places I took before, and you should see that those drops are obviously dripping."

It was the first time Sweetheart heard these theories, and she found them interesting and mysterious. She asked: "Do you think these drops of blood are left by your sister?"

"This depends on the test. Time should have passed a long time. I don't know if it can be detected." Yuchi Rong took off his sunglasses, put away the black box, and said in a deep voice, "Let's go."

Let's leave now? Sweetheart was surprised. There were so many things scattered here. Shouldn't he be looking for something carefully? Maybe there will be clues left by Lisa!

As if guessing what she was thinking, Yuchi Rong said: "From the size of Lisa's shoes in that photo, she should have appeared here when she was five or six years old. Do you think there is one thing that a little girl in the ground that could be used by a five or six-year-old girl?"

"That's right..." Sweetheart scratched his head, "You have such strong reasoning skills. Do policemen need your qualities? You will save a lot of unnecessary trouble like this, right?"

"It's just a simple little speculation, you can do it too. If you want, I'll teach you how to analyze some problems."

"But that pocket watch was found here, and that little shoe, I was always worried that Lisa would have something else left here."

"You all have found what you should find." Yuchi Rong replied lightly. He raised his watch and suddenly invited, "Are you free in the evening? As a thank you, I want to invite you to dinner."

Sweetheart was stunned. The topic was changed too quickly...

As if she guessed that her doubts were still there, Yuchi Rong laughed silently: "You are very persistent in what you want to know. What do you want to know? Why don't we talk about it later when we have dinner."

"I think you are mysterious." Sweetheart said bluntly, "Why do you want to say 'all you should find'? If there are some secrets that you are not convenient to tell me, you can do it if you don't want to."

"You are very straightforward." Yuchi Rong did not care about Sweetheart's almost "questioning" tone, but said without hesitation, "You should know that Guangdong, Guangxi, Hong Kong and Taiwan, and all the way to Southeast Asia, all believe in many things and things that they have in the dark."

"You said ghost?" Sweetheart shuddered for no reason. It was really awkward to say such things in such places!

"Or we can change the word - it's the soul." Yuchi Rong subconsciously took out his gold watch and played with it, and said quietly in a deep and unfathomable voice.
Chapter completed!