But Yan Jing told the police that the door was locked. If it wasn't Fang Fang, who locked the door?

Even if we can infer that Fang Fang locked the door with the hand holding the tissue, and therefore did not leave any fingerprints. But in the face of a supernatural disappearance and murder case, we can also guess that the invisible killer had quietly sneaked into the bathroom, threatening Fang Fang while

Closed the door to the single toilet...

But no matter how we deduce it, this invisible killer is still an unsolved mystery for us!

At 9:13 in the morning, after saying goodbye to Principal Qin, Liu Su and I returned to the No. 7 girls dormitory.

This is the source of fear, our main investigation target and direction. Although there are no supernatural reactions, the footsteps last night also gave us many ideas.

But when we went to the second floor to check again, we discovered something unexpected.

In addition to my footprints and those of Liu Su, there are also some marks that are very clear on the dusty corridor.

It was a pair of handprints and footprints that coexisted. Judging from the distance between them, it could be seen that they were the marks left by a human being with both hands and feet walking on the ground.

And, no shoes!

Not an inhuman, but a human, a human lying on the ground and walking quickly on all fours!

This was a surprising discovery. Liu Su and I were confused and had more questions.

Who was it that appeared in the girls' dormitory No. 7 last night? Why was he lying on the ground and walking? Where did he go after we caught up with him?

Finally, Liusu suggested that we should take advantage of the daylight to conduct a thorough survey of the entire No. 7 girls dormitory.

Fang Fang's body was discovered by Xiao Yang, a patrolling security guard, at around 6 p.m. on the 13th.

Of course, Fang Fang was completely unrecognizable at that time, and Xiao Yang could not even identify her identity, but he vaguely felt that the fabric of her clothes was very similar to what the missing Fang Fang was wearing.

Fortunately, the police already had a complete DNA detection system at that time, and it was later confirmed that the body corroded by sulfuric acid was indeed Fang Fang, but the time of death was unexpected.

August 13, 2007 18:30.

Fang Fang's death was at the moment she was discovered, and her body was even warm and soft!

So where has she been during the three days she has been missing?

What did the invisible killer do to her and what did he say?

Where did the sulfuric acid come from? Did the invisible killer forcibly pour it into her body, or did it induce Fang Fang to drink it?

…

Since Fang Fang's body was found on the lawn outside the girls' dormitory No. 7, the police did not conduct too much investigation inside the dormitory at that time. This school building full of death was everyone's fear. It seemed that it had been there since the beginning.

It has been determined that Fang Fang's case was a murder by a mysterious force. Even if they launched an investigation, they would not be able to find the real murderer, so the subsequent investigation of the case would not be solved.

Liu Su and I told Su Yang about this latest discovery and hoped that he could come to the scene to track the footprints with us. Su Yang naturally would not refuse and came quickly.

Su Yang was very surprised to see us living in the girls' dormitory No. 7, and said bluntly: "Why do you live in such a ghost place?"

I spread my hands helplessly: "I thought it would be easier to investigate the incident here, but now it seems that things are more complicated than we thought."
Chapter completed!