Police officers are faced each day with a vast array of situations with which they must deal. An officer on patrol (i.e., not responding to a call), sees a stranded motorist. Stopping to assist the motorist would be a service duty. The officer can exercise discretion by deciding whether or not to stop to assist, the amount of time spent in assisting, or the nature of the assistance. No two situations they encounter are ever the same, even when examines a large number of situations over an extended period of time. The officers are usually in the position of having to make decisions on how to handle a specific matter alone, or with little additional advice and without immediate