"You have an unknown preternatural creature that uses a sword, and is faster than a vampire."

And you don't risk your life every time you go hunting vampires or preternatural creatures with the police?

There really aren't that many preternatural creatures that are limited exclusively to darkness.

No special training in preternatural creatures or events.

Humans by nature don't have any special powers, and are not nearly as strong as most of the preternatural creatures in the books.

"Then be a policeman; they need people on the force who know preternatural creatures."

They are the most alive preternatural creatures I've ever been around, more like fairies than humans, sometimes.

He was, as far as the police knew, a bounty hunter specializing in preternatural creatures.

I knew about preternatural creatures, but first aid for the immortal?