The tricky thing about poosters is that you never quite know who they are. It's virtually impossible to catch them in action; you can't quite spy on them, so you only know they've been there after they've done their business.
BT ILLUSTRATION: YU KEXIN
LAST Saturday, I woke up to an alert that someone had taken a dump in my apartment complex's swimming pool. There was even a photo sent around as proof - true enough, amid the shimmering blue waters, there sat a sizeable turd.
Absurd, I thought. Who would even think of pooping in a pool?...