Petey: When you fired on the people of that world, I was watching.

There can be no mistake: you tried to kill billions of thinking, feeling, fellow-sapients in order to advance your desires.
Admiral Tebbir: You have no right to pass judgement on me!
Petey: Per your own actions, you appear to believe that might makes right.
Admiral Tebbir: I don't like where this is going.
Petey: Oh, good. I was hoping you wouldn't.