As to the dismembered question asked, only bones from the top of Holly's body were found. Ribs were the lowest bone found. No arm bones, and none from the lower parts of the body. (Correct me if I'm wrong). So yes, more bones could be discovered.
The intention was to gut and throw in river but if Autry's story was true, he wasn't around for that. And did not end up disposing of the body. Only Zach knows and possibly Dylan. They probably ran out of time on the gut and just left the top part of her there.
They could have thrown the rest of the body somewhere in the river as it was intended.
To note: nothing was revealed here that I know of. At all. Because nothing else has been found.
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