Cannibalism n. : The act or practice of eating human flesh by mankind. Hence; Murderous cruelty; barbarity.

Example:
Why is Cannibalism so prevalent in 21st century equatorial Africa?

Taxonomy
cannibalism, cannibals, tribes, human cannibalism, human flesh, mortuary cannibalism, cannibalism in pre-Columbian America, flesh, famine, prisoners, survivors, meat, World War II, killing, enemies, evidence, body, murder.

Defination from the web:
cannibalism, the taboo practice of humans eating other humans, also called anthropophagy.