Everything I know is 2nd hand info. While my sources are very reliable, and verified by many clearly in the know, as well as usually backed up by online articles in trendy media catering to the So Cal and entertainment related world, I don't feel comfortable revealing names for that reason.

http://defamer.gawker.com/the-sad-truths-behind-the-l-a-party-scene-that-took-do-1567145397