[Yeah, he hasn't the faintest idea what you're talking about lady, but he doesn't really care if you kill a bunch of people. So long as none of them are him. Or a handful of others.]

If it's biological, I wholeheartedly suggest testing it on the various unsuspecting idiots that make up most of the population here. Preferably in a densely populated area, with little to no organization assets in the immediate area.