That is not a practical solution. It probably was someone on the island anyway, or who spends a lot of time on Caulker, who knew her, her mode of operandi, etc.
There is a small cadre of drifters who spend time on Caulker, Ambergis, etc, that, cracked up enough, are capable of this, no question.
I would think the perp on this is one in a small group of suspects. Don't be suprised that this will be solved.
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