Abstract
Theories about criminal justice are needed because of the important social policy implications of this area of study. There are three major questions which must be addressed by theorists as part of the study of criminal justice: (1) what are the aims of criminal justice agents? (2) what is the efficacy of criminal justice? (3) what are the consequences of criminal justice? Theories which have been proposed to answer these questions are reviewed and possible policy implications of these theories are explored.
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