In an article in the local paper, the most recent cast-away foot ".... the leg bone was still attached to the foot bone and there was no remaining muscle. The leg bone was "cut on a straight line" just 3 to 4 inches above the ankle, she added.
"It looked like foul play. That's the first thing that came into my mind."
Hmm, cut by an ax, a saw or what? I wonder if they can examine the bone end for tool marks to determine just how it was cut.