ZERO TOLERANCE campaign implemented by Rudolph Giuliani in New York City to end uncovered crime, drug addiction, prostitution, trafficking in whites, pornography, alcoholism, vagrancy, reception, murders and other associated crimes. The brothels, pornographic centers, clandestine bars, all kinds of patents and permits associated with gambling, alcohol consumption, the sale of alcohol, the sale of used items, street sale, trade in the subway were canceled. Surveillance increased exponentially by filling the city with video cameras. He cleaned up the city of bums, criminals, gang members, street prostitutes, beggars. The drug maffias, blackmailers, reducers, exploiters were pursued with the highest sanctions and without mitigation. The time limit between the crime and the judge's verdict was reduced to a minimum. The subway was painted, the docks, the graffiti disappeared and Giuliani became the most famous mayor the city has ever had. After a couple of years the change was impressive. 2 . Chilean television political analysis program since 1999. 3 . A statement that expresses absolute strictez in case of misdemeanors or crimes. 4 . Principle originally defined in a Wilson and Kelling article called broken windows, which explained that 1. needed to be repaired immediately or deterioration would cause vandalism 2. Sanctions must be immediate or otherwise impunity is assumed and passed from misdemeanor to crime.