The Principle of legality of crimes and punishments (nullum crimen, nulla poena sine lege) refers to the fact that an act is not considered a crime and deserves no punishment, unless the Legislator determines and announces the criminal title and its penalty before. The legality principle protects individual security by ensuring basic individual…

The pamphlet is one issue of the PROBE series which gives British secondary school youth an overview of social issues and suggests questions for discussion. Information and issues about law and justice in England and Wales are discussed in this issue. Section one explains the differences between criminal law, which is enforced by the police, and…