Is self-interest at all necessary or desirable for practitio…

Is self-interest at all necessary or desirable for practitioners within the criminal justice field?  Discuss several ways in which egotistic motivations might produce positive and negative effects in the following: (1) police officers, (2) prosecutors, and (3) defense attorneys.  Make sure that your answer has logical reasoning similar to your text, not rash assumptions and generalizations.

Generally speaking, how are ethics and moral inquiry relevan…

Generally speaking, how are ethics and moral inquiry relevant to criminal justice?  Give an example from the field of criminology/criminal justice to support your position.  A complete answer will incorporate the five limitations of law and why this type of inquiry is or is not relevant.