[Her brow furrows, as she considered. Genocide is, generally, the ultimate evil - but it's also beyond a general human's comprehension. How can they decide if it's just to kill millions to save billions?]

What kind of people are they? If we were talking humans, I'd say go for the world leaders, the people making the decisions, but... [She knows how different things can be. If the species is a hivemind, for example - well, it's the classic hydra problem.]