This is by a Warm Springs Apache who, as a child was given a can of food, perhaps underwood liverwurst. Here is their reaction:
Once I came I with a flat container upon was pictured the figure of a tall man with hooves and a tail. The officer had been eating man meat! My people had been told that sometimes White Eyes practiced cannibalism, and here was the proof. No more collecting of discarded cans! Nana made medicine for me and I suffered no ill effects.
I know many White Eyes and none of them are cannibals.