In 2013, the body of a young woman was found in a water tank of the Cecil Hotel in Los Angels. Her name was Elisa Lam. The reason why her body had been found was that the guests of the hotel complain about the taste of drinking water. She was floating on the water in the tank. It seems like just a kind of murder or suicide, but there were weird facts. First of all, generally, the guest of the hotel can't enter the water tank because that is usually locked, and it was necessary to put strong power to open the hatch. It might be impossible for women. In addition, her movement, which was recorded by a monitoring camera in elevator, was so creepy. Firstly, she pushed many buttons soon after she entered the elevator. Her act was like a deviant because she looked that she was hiding from someone and strangely contorting her limbs. However, there was actually no one without her. The weirdest fact was the name of medicine which was being created in a laboratory locate...