Blood Wilderness
A man has had recurring dreams for forty years in which he kills another boy in the woods. When the police find a body in the woods where his dream takes place, he starts to believe his dream is really a memory buried in his subconscious. The resulting guilt and paranoia sends him on the path of destruction.
"The killer took a blanket and one of those little folding camping spades from his backpack, rolled the dead man in the blanket, and dug a hole."