Well, there's a lunatic with a metal arm that's killed like five people since he's been here, including his warden at the time. There's some crazy pink-haired girl that likes playing mindgames and stabbing people with rabies for fun and... no, probably just fun. There's the other guy involved in that whole mess, maybe more. My own inmate's been killed twice in the couple of months he's been here because he's a shitty person, by inmates I couldn't've stopped with anything other than a bullet even if I'd been there in time.

It's something of an epidemic. David hasn't been anywhere near it, but neither has about 80% of the ship, so it's not like that's anything like a remotely useful connection.