Given the source; I'm not entirely sure that's true. Wouldn't they be committing an indignity to a body, which is against the law?
I may be calling it wrong but there is a place called "The Body Farm" run by a college I believe, that donated remains are left out to decompose in ways that killers and natural death in the wild happen, in closed cars, under tarps, shallow graves and of course out in the open. Aspiring coroners study and learn observing how bodies decay over time.
TV has had programs detailing their studies.
"People in Arizona carry guns," said Detective David Ramer, a Chandler police spokesman. You better be careful about who you are picking on...
Possible explanation is , ruminant animals raised on mineral deficient soils, especially Phospheros , will often chew bones and any random items in an effort to correct the deficiency . Can result in death from Botulism .