The authorities said that the findings of the investigation it is an accidental death due to drowning because there are absolutely no traces of drugs or alcoholic during the autopsy. But there is much more to this story.
She was caught on cam via CCTV before she died, this 4 minute video shows what she was acting very strange while alone in an elevator. There are speculations that she was depressed and had bipolar disorder which could be the reason why she's acting weird.
But others made their own guess saying that she was possessed. Watch the video and see for yourself.
The said hotel tells a lot of creepy stories before this incident happens. It became the nest of notorious people. They even said that there are more people who commits suicide in this Hotel,this was only the most recent episode.