Second Filter.
We were actually following what turned out to be vampires looking for a meal. They had followed this other couple down an alley, so we went after them because shifty you know? Sure enough getting interrupted turned into a fight because how dare we interrupt dinner and bla bla bla. Which would all be normal enough except after we turned the corner, it wasn't just vampires and some really scared humans not wanting to be lunch, there was a werewolf.
And maybe nothing's wrong. But the werewolf high tailed it out of there. Why was it there in the first place? It could just be a good person trying to do a good thing. But why hide from the good people? I mean, we were mostly trying to protect the humans, and it's not like werewolves and shifters are something we see very much of in New York City here, especially one that isn't one of you guys.