At least what he wrote in the journal was lining up with the film he shot.
I kept reading:
"I pulled the knife and sent her to Hell. I feel a peace now that I haven't felt since Mother died. Maybe I can put this behind me now. They'll never find Abigail's body. I drove out to the middle of the desert and hid her in a cave. It was a place I discovered once when Dad took me out there. He was trying out a new hunting rifle by picking off coyotes, and I was just wandering around alone."