I think there are two. As with most serial killing duos, there is usually a dominant personality and a more impressionable personality.
I think one was killing first, realized he'd found a kindred spirit in his partner, and they began killing together.
I think the first, dismembered bodies, were the work of one killer. I think the last 4 we know of, could've been when he brought a partner along.
I don't think this is one big group of killers. I think the snuff films thing is also unlikely. I think the killer/killers are politically connected and are insulated because of this, as well as the other separate, unsavory behaviors of the residents of oak beach. No one wanted their dirt exposed, so they may have lied to cover their own butts when the media showed up, even though they're uninvolved in murder.
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