I agree!
For me personally, RL's words aren't worth a lot.
Unless, he physically saw the bodies, and how they were found, I don't know if he can positively say with any legitimacy that the crime scene was factually considered "pristine".
He wouldn't have been allowed back there when they were investigating. Was he part of the search party that located them? If not, then it's likely he saw the crime scene after the evidence was taken and a clean up crew left. The clean up crew won't leave blood and gore around after LE leaves, and they'll return it to looking normal. In some locations, that may be a difficult job. Out in the woods though, it wouldn't take a lot to get it back to looking like it's natural state again.
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