The young actress had been tweeting about how she was alone for the holidays and wanted to call a fan to lift her mood.
At first, it was suspected that drugs or alcohol may have played a part in her death.
If this was mixed with recreational drugs or alcohol, it is believed this to be the cause of her passing,' he said.
What prompted her suicide remains unclear but in the days beforehand, she found herself in the center of a firestorm on Twitter after publicly saying that she had refused to work with a man she knew did both straight and gay scenes.
Olivia Lua, 23, died in a rehab facility in West Hollywood on Friday morning.
So far, there has been no proof of a link between any of their deaths beyond the fact that they were all porn stars.