"Down the hill" leads to Deer Creek, there is no option of no mud. There is nowhere to march them to a vehicle that doesn't involve crossing the creek, a steep hike and a substantial risk of being seen once they exited the woods. The nearest place to park a car would be the cemetery.
RA didn't even risk parking his car near the cemetery, he had to walk and hike in and out.
Moo, but a look at the maps makes it clear that he waited for a victim(s) to be in the isolated area of the bridge where they couldn't go around him to go back. He then took them to a secluded area to do what he had been thinking about for some time, out of sight and earshot of witnesses. MOO
If KK had never been heard of, I doubt that many people would think a 2nd person or a complicated kidnap/murder plan was involved. Nothing RA did required an accomplice. MOO
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