On February 19th 2013, the residents of the Cecil Hotel in Downtown Los Angeles said the water tasted unusual and had also turned black. After a search, the body of Elisa Lam was found in the hotel's water tank on the rooftop. How did she get there and what could have happened? 

Surveillance footage of Elisa Lam in the elevator in the Cecil Hotel: https://www.youtube.com/watch?v=_rfLSVIA0L0