Ethan finally relaxed when he got his answer, and mentally kicked himself for his obvious stupidity, but reminded himself that he hadn't had a decent sleep in well over 48 hours. It was a wonder he wasn't falling asleep right now.
"Well, back in Washington I was working on a case, going after this serial killer. I was never able to figure it out, but while I was going after this guy I was constantly ambushed by homeless people, and addicts." There was a brief pause, "There was something about them that was causing them to start killing each other, and anyone else who might cross their path. Some of them also didn't look very human either."