This chapter explores the criminal justice institutions. In practice, the criminal justice system contains five distinct institutions that are responsible for delivering justice: the police, the Crown Prosecution Service (known as the CPS), the courts, probation providers, and prisons. Although they are all part of one overall system, each has different aims, roles, and challenges. Theoretically, the fact that these bodies are all accountable to the separation of powers concept should bring some unity in that it gives Parliament, the independent judiciary, and central government opportunities to shape the system to align with their version of justice. The government can exert considerable influence through the work of the Ministry of Justice or MoJ. The MoJ is currently the most important governmental agency in the criminal justice system, but the larger and more powerful Home Office is also involved to an extent, mainly with the police.
Book review: The Innocent and the Criminal Justice System: A Sociological Analysis of Miscarriages of Justice