The tourists nude body was discovered in the hotels rooftop water tank on Feb 19 2013

The mysterious death of Elisa Lam has confused authorities for more than 8 years

In January 2013 she traveled to Los Angeles from her hometown of Vancouver British Columbia for a week of sightseeing and adventure But things soon took a mysterious  and deadly  turn After checking into the Cecil Hotel the 21yearold tourist vanished without a trace

For weeks her loved ones searched for her Then on February 19 2013 a hotel maintenance worker made a grisly discovery when he found Lams body inside a water tank on the roof of the hotel

How Lam died became a subject of intense speculation Lams death and the other mysteries surrounding the Cecil Hotel are the focus of an episode of a new Netflix documentary series

Crime Scene The Vanishing at the Cecil Hotel was released on Feb 10 Here are 3 things to know about the mysterious case

1 The Hotel Has Been the Scene of Other Mysterious Deaths

Lam is the last known casualty of the Cecil Hotel which was built in the 1920s near LAs downtown Skid Row It inspired a season of American Horror Story starring Lady Gaga

Numerous murders and suicides allegedly occurred there and it was for a short period of time the home of serial killer Richard Ramirez also known as the Night Stalker

the Cecil Hotel Nick UtAPShutterstock

2 Lams Cause of Death Was Drowning

Four months after Lams death the LA coroners office determined that there was no evidence of physical trauma The manner of death was classified as an accidental drowning and the case was closed

But the mystery remains How did Lam get onto the locked roof and into the water tank And why would she have voluntarily gone to the tank in the first place

3 Lam Was Seen Acting Strangely Before Her Death

Elevator surveillance video released by police showed some of Lams odd behavior hours before her disappearance The video shows her clad in a red hoodie inside an elevator pushing buttons for multiple floors peering out of the opened elevator and cautiously stepping out while waving her arms Its unclear what  or who  she may have seen

Crime Scene The Vanishing at the Cecil Hotel is available on Netflix