You know, there's literally no way for us to know who the killer is ATM for one very simple reason. We dont know how many were killed by the inhabitants of the isands.
I mean, think back to all the deaths on Paradise Isle:
Crucification, Eviceration, Etc. Sooooo many of these deaths could be linked to the demonic scenes, and seem to SCREAM "Crazy Natives"
Next we go to Isle Amour and immediately you are stuck on the Bees Knees Murder. It's just impossible to figure it out. Why'd the bee go to her? Whyd the reaction go do bad? We don't know. We CANT know.
We can't even figure out WHO was murdered and who was killed (and yes there appears to be a difference). There's no true motive.
And then even if we COULD figure out who was murdered, we can't go back and try to locate who was around during the murders cause there's no timeline.
I guess that means EVERYTHING will have to be decided in the next episode so we will have to burn rubber to find out what's going on.
Prime Suspect: Livie