<P> Discretion has the meaning of acting on one 's own authority and judgement . In law , discretion as to legal rulings , such as whether evidence is excluded at a trial , may be exercised by a judge . Some view discretion negatively , while some view it positively . Discretion exists at all levels of law enforcement and in many types of front - line bureaucrats . Discretion has been called `` the Art of suiting action to particular circumstances '' ( Lord Scarman ) . Those in a position of power are most often able to exercise discretion as to how they will apply or exercise that power . The ability to make decisions which represent a responsible choice and for which an understanding of what is lawful , right or wise may be presupposed . </P>
<P> Discretion has the meaning of acting on one 's own authority and judgement . In law , discretion as to legal rulings , such as whether evidence is excluded at a trial , may be exercised by a judge . Some view discretion negatively , while some view it positively . Discretion exists at all levels of law enforcement and in many types of front - line bureaucrats . Discretion has been called `` the Art of suiting action to particular circumstances '' ( Lord Scarman ) . Those in a position of power are most often able to exercise discretion as to how they will apply or exercise that power . The ability to make decisions which represent a responsible choice and for which an understanding of what is lawful , right or wise may be presupposed . </P>
who has discretion in the criminal justice system
who has discretion in the criminal justice system
at all levels of law enforcement
at all levels of law enforcement