In the police force, two, three, five traitors are detected who are really working for someone else. When we cleanse the police of them, the problem will be simplified a lot. Terrorists will have no one to contact - they will be left without informers.
Judges who take the law into their own hands, who make up constitutional 'rights' in order to strike down laws they oppose, undermine the people's right to have their values shape public policy and define the culture.
It used to be that people needed products to survive. Now products need people to survive.