I turned my collar up against the wind. A useless gesture, because the wind contemptuously insinuated itself under my skin regardless, but it made me look hard. And hardness was needed in this job. I walked around the playground, glaring at kids who even just looked like they might be thinking of doing something wrong. Crowds of them parted as I approached. One looked shifty.

“You got a problem, son?” I gritted.