Chapter 1: Sterilization? "Aofeng1, come on, buddy, run! First one there gets a reward!" A man in a police uniform, of average height, crouched on the ground clapping his hands, coaxing in a low voice. The one he was coaxing was a four- or five-month-old German Shepherd puppy. At the moment, it was lazily sprawled on the grass, wagging its tail, completely ignoring the trainer’s command. When the man called out again, the pup gave him a lazy glance with its pitch-black eyes, then turned its head to…