"Ah, I'm here."

Tan Wan heard Wang Mei shouting to herself, and hurriedly trotted forward to catch up.

As she ran, she thought that she had to ask Li Dongliao to bring someone from the identification department to see if there were any fingerprints of the deceased Liu Xiaoyan on the sink.

The murderer may wear gloves, but Liu Xiaoyan, as a victim, will not.

If Liu Xiaoyan was really drowned in the mop sink by the murderer, then when she struggled, she would definitely hold the edge of the sink with both hands to fight against the murderer.

The sink is iron, and fingerprints can be easily detected, even if the killer wiped all around the sink.

Fingerprints cannot be detected, but hair or other things that match Liu Xiaoyan's DNA can still be detected in the sewer.

Since the murderer can enter and leave the orphanage at will without arousing the suspicion of others, there is only one possibility for the murderer.

The killer is inside the Hearts Orphanage.

Liu Xiaoyan and Gao Meizi's bodies are not tall and strong, and the murderer is not necessarily a man, and a woman may not be a woman.

Is it between the employees who have been laid off, or is it ......

Tan Wan thought of this, and put his eyes on Wang Mei who was leading the way for himself in front of him.

Tan Wan suddenly spoke: "Teacher Wang, what is the use of the room where Dean Gao passed away?" ”

"Why do you ask this?" Wang Mei was obviously a little wary of this question and did not answer it directly.

"Although there was a lot of dust in the room, the mattress and urinal showed obvious signs of use.

The room is occupied, but the door is locked with a lock, which is strange to look at, right? ”

Wang Mei glanced back at Tan Wan: "Officer Tan already has the answer in his heart, why do you want to ask me again?"

However, the key to that door is only available to two people in the orphanage, how did Officer Tan know that there was a mattress inside? ”

She looked at Tan Wan behind her suspiciously, and after thinking for a while, she suddenly realized, hahahaha, and suddenly laughed.

"I see! You picked the lock! Takamiko came to me angrily that day and asked me why I was opening the door for you, and I didn't know what was going on.

It must have been, it must have been that day when you and the male officer knocked on the door, what method did you use? ”

Wang Mei turned away from her previous coldness and showed a strong interest in this issue, staring at Tan Wan with a pair of eyes.

Tan Wan knew that there was nothing to hide, so she told Wang Mei that she used the way to unlock the can.

Hearing the method, Wang Mei smiled at the corner of her mouth: "Interesting." ”

After she said this, she quickly regained her previous cold expression, turned her head and continued to walk forward.

Wang Mei knows much more about the orphanage than she thinks about it later.

From her words, Tan Wan was also convinced of the doubts in her heart, and the orphanage may really abuse or imprison children.

Wang Mei didn't feel Tan Wan's gaze, and continued to lead the way in front.

"Teacher Wang, when did you come to work in the orphanage?" Talk about the night and ask again.

"This question seems to have been answered just now." Wang Mei continued, "For a long time, I don't remember. ”

"It's not completely unimpressive, do you?" After talking about the night, I felt that I had asked too directly.

In order to avoid Wang Mei's suspicion, Tan Wan added: "I'm just curious, you look young, but you know things in the orphanage very well."

After Dean Gao Meizi passed away, the orphanage was taken over by you, and it seems that Dean Gao trusted you to hand over the key a long time ago, and it seems that she trusted you very much during her lifetime. ”

Speaking of this, Wang Mei suddenly interrupted Tan Wan's words: "Six years." ”

Wang Mei's answer was very fast, and Tan Wan didn't react all of a sudden, and didn't hear clearly: "What? ”

"I just remembered that I've been working here for six years." Wang Meliso replied.

She replied very quickly, and when people didn't know how much they had been working for, most people would say, 'I've been doing this for about five or six years,' or 'maybe six years.'"

But Wang Mei remembered it very clearly, and immediately reported her seniority to Tan Wan.

It's not like she said she couldn't remember the hours she worked.

Tan Wan didn't question this point in time, silently put it in his heart, and continued to follow Wang Mei.

There are about a dozen children living in the orphanage, all in one room.

The bed is a large bunk for more than a dozen people, and the aisle is crowded, and it doesn't look like it's very easy to walk.

The quilt on the bed was crumpled, and Wang Mei explained that she hadn't had time to clean it after the children left.

Unlike the style of the front yard, most of the rooms in the back yard have no windows, or the windows are locked with locks.

The bedroom window just couldn't be opened, and Tan Wan stood by the window and tried several times without success.

Seeing this, Wang Mei walked to the window and took out a key from her pocket.

It was a strangely shaped key, with a closed loop and a barrel-shaped circle with key teeth inside.

Wang Mei inserted the key into the cylinder of the window, twisted it to the right, and the window opened with a click.

Although the window can be opened, the size of the opening is limited, and it can only pass one head at most.

"This is to prevent children from jumping out of the window." Wang Mei felt that she had used the wrong word, and said, "I am afraid that the children will fall downstairs, so that the air can circulate and prevent falling." ”

Tan Wan nodded, and in the face of the many suspicious points in Wang Mei's words, she didn't say anything.

After looking at the window, Wang Mei closed the window again, put away the key and walked to the door to prepare to leave with Tanwan.

Wang Mei stood by the door and waited, but saw that Tan Wan didn't look like she was leaving.

On one side of the wall of the children's room, there is a tall wooden lattice shelf.

Each shelf has a name card written on it, one box for each person.

Strangely, the children had moved away, but the personal belongings in the lattice had not been completely taken away.

There are also many children who still have things left in their lattices, such as crayons for drawing, toys and so on.

But that's not right, if it's really as Wang Mei said, these children treat toys and crayons like treasures.

When you leave, you should take these things with you, and you shouldn't leave them here......

The children were in a hurry, talking about the night.

His gaze swept over one of the squares with 'Xiao Qi' written on it.

Unlike other children, most of the other children will put some of their own treasured toys in the lattice.

Or maybe it's some 'treasure' like some nice colored stone picked up from outside.

But Xiaoqi's grid is very clean, and there is only a diary and a pen in it.

Tan Wan thought to himself that the children living here would record some of the daily life of the orphanage in their diaries, and perhaps write about the dark side of the orphanage.

Wang Mei glanced at the time, and couldn't help but urge Tan Wan a little: "Officer Tan, it's almost time for you to leave." ”

"Ahh......h