3.3 Mixture?
The police do enforce the law, using their powers and duties under statute and common law. They investigate offences and start the court process.
However, they alone do not enforce the law: they work closely with the CPS on their cases, and once a case goes to court the CPS is responsible for its prosecution. Some specialist offences are investigated and prosecuted by other bodies.
In the next few sections you will consider some of the common myths about crimes and criminals, starting with the relationship between crimes and morality.