These models were put forward by Herbert Packer (1968). They are representations of different priorities with the CJS. They were put forward by Packer to help us identify where the balance of power lies. It can be very difficult for any justice system to achieve a fair balance between Police Powers and Civil Liberties. These models explore these ideas
Herbert Packer was an American Law professor and Criminologist who wrote academic articles and books. He suggested two models; The Crime Control model and The Due Process Model.
