The police are just one of many "states within the state", and not the most powerful, either. The presidential palace, the judiciary, the military all keep so wary an eye on each other that it's a distraction to them when terrorism begins putting the state itself under siege. The dialectic of revolution is very precise. Small and inexplicable incidents disseminate gossip and unease: dead dogs hanging from street lights, placards hailing a mysterious " President Ezequiel".