"I've tried all the cabinets in the piano room, and there is a place to store things, but the keys are different from this one. I also checked with the staff there and the locks were never changed, so she assured that it was definitely not the key there and she suggested that we try somewhere else. Leng Ao was a little discouraged, he said coldly: "It's been three years, I still think there may be clues, but I'm afraid it's not that simple, right?" If it had been a locker somewhere else, it might have been emptied. So I think this clue can basically be abandoned, unless our luck is really too good to be good. ”

"There's a place where I don't know if you've tried." I frowned, Casey is a person with a heart, and she is also a pampered Bai Fumei, maybe I can guess where she might put her things. "If no one paid special attention to that key, it could be somewhere else, and that should be the place where Casey frequented. But don't forget, she's a student, and she's a very keen student, so I guess she doesn't have a lot of activity. ”

I'm not sure if my judgment was correct, but after Qin Ming appeared, under my command, they quickly arrived at the library of Casey's school. The purpose was to try my luck, because I once had a similar key. Although they are not in the same university, the management style should be similar. When we showed the key, the staff took us straight to an unnumbered cabinet, "Here's the cabinet." Basically, the lease period is less than four years, which is exactly the whole time of a college student's schooling, which is enough for them. Renting a cabinet here, you don't have to find a new cabinet at the beginning of school every year, and the price is cheaper than renting a cabinet every year, but you have to pay more at one time. The locks on it are all new locks provided by us, but they need to pay for them themselves, and the keys are also kept by themselves, in order to avoid us having to deal with them because of the loss of something. There aren't many people who can afford to pay and like to go to the library often. less than time. We're not going to clean it up. Unless there are some special circumstances. It's not the same as where you pay once a year, and the keys are not numbered. You can try them one by one. ”

The three of us were shocked by this discovery, and although we didn't laugh out loud, we all knew it. Perhaps this is the key to solving the problem.

We were lucky. After trying a dozen boxes. A lock, already slightly rusty, was opened. Maybe it's because it hasn't been opened for too long, so there's a musty smell inside, mixed with the smell of the library. It really doesn't smell good. Leng Ao put on gloves, and Qin Ming took out a few transparent bags very cooperatively, and took out the contents in turn: a card machine, a USB flash drive, a stationery box bag, in addition to a few pens, there was also a somewhat strange key, a CD and a black hair ring.

"At the very least, it seems, we have something to do today." Leng Ao raised the camera, he wanted to turn it on. But because it has been too long, it can't be turned on.

Just as we were leaving the library, we were meeting Zhao Yan, and she had a leisurely look, until she saw us, her expression changed slightly. Before we could speak, she exclaimed, "You ...... What are you doing here? It can't be that there are any clues here, right? ”

"It seems like it's a weekend, why are you here too?" I looked at Zhao Yan curiously, she seems to have always been a girl who doesn't like to study much, why is she suddenly so positive?

Zhao Yan laughed and said lightly: "No way, sometimes you always have to pretend, right?" Besides, it's almost time for the holidays, and I want to borrow a few books to pass the long summer vacation. Maybe you can see a few handsome guys here? ”

Speaking of this, her gaze lingered on Leng Ao and Qin Ming's bodies for a long time, and finally fixed on Qin Ming's bodies, and said with a smile: "Look at it, haven't I gained quite a lot today?" This is the legendary cold-faced police officer, right? ”

"Probably right?" Seeing that Qin Ming didn't answer, I replied for her. However, at the same time, I was also looking at Zhao Yan, and at the same time thinking about whether what she said before was true? She's here, are you sure it's really not a coincidence? Because she didn't hold it, she just held a mobile phone in her hand, and there seemed to be no pockets on her clothes, and the timing of her appearance was too unusual?

Just as we were about to leave, unexpectedly, Zhao Yan asked another question, and she asked lightly, "I heard that Ouyang Song has been found by you, right?" Where is he now? Can I meet him? ”

"Not yet, you won't be able to see him until our investigation is completely over." Qin Ming answered unceremoniously.

After saying this, Qin Ming and Leng Ao left without looking back, and Zhao Yan, after sighing "so cool" to me in a low voice, also left.

After getting into the car, the USB flash drive and camera were connected to the computer. The contents of the camera are empty, but since the memory card is still there, it only takes a little time to recover the contents inside. There are documents in the USB flash drive. Just as I was thinking it might be a photograph or something, a video came out of it, the same video of Casey before she committed suicide that I had seen countless times before. She still has a copy here? Or did someone put it in?

Just as Leng Ao was about to close the computer, I reached out and took it, looking at Casey inside. There's no mistake, this is indeed the video I saw earlier, and it says the same thing, but ...... It always felt like something wasn't quite right.

It wasn't until I was able to use the big screen in the office that I discovered a surprising fact, which was the last video Casey had left: her dress and hairstyle were exactly the same as the one we had seen before, but the subtle differences explained what I felt awkward before: when she changed her legs, the shoes on her feet did not shine the same as before, that is, she was wearing only shoes with bows, and there were no rhinestones or other decorations on the bows; At the same time, in the video, she is wearing studs on her ears, so there is no doubt about it. In other words, it's two identical footage, except that Casey is dressed differently. (To be continued......)