None of them, really. Some come close, but none quite fit.

[He answers fairly mechanically; he's clearly not bothered by their incorrectness. It's just another fact.]

I've killed people in the past, but a 'serial' killer implies a pattern. I've killed those who I was ordered to. I've performed espionage before, but there's more to my duties than just that. I'm afraid I don't know what an 'android' is, and I'm certainly human.