At first, it was suspected that drugs or alcohol may have played a part in her death.
Accusers Alex Harper, left, Lexi Lore, center, and Annabel Redd, right Madison's videos have more than 46 million views and he has won numerous industry awards.
So how does someone with such stellar Hollywood connections end up in the adult entertainment industry? The young actress had been tweeting about how she was alone for the holidays and wanted to call a fan to lift her mood.
It is not clear if any of the five models who have died recently knew one another.