“Who are you?” the man asked, absently picking at the dirt under one of his filthy fingernails. A moment passed and the man looked again at the dark-clothed stranger wearing a hat in front of him. “Well?”

With a vicious quickness, the stranger lashed out, severing the man’s life-giving blood vessels and tearing open his neck. The man fell, blood splattering and pooling around him. The pavement became wet where it approached the wall and the door. The man coughed, gurgled, coughed again. His d...