Answer:
(all of the above)
Step-by-step explanation:
Discretion of police officer is important for the safety of the general public. Police officers are trained to be discrete in their activities to perform better in their daily tasks and to fulfil objectives. Although, there are few factors which can affect the exercise of discretion, such as, the nature of the crime, the amount of evidence, departmental policies. These factors must be taken care of to maintain discretion.