Much of the job of a criminal justice professional involves problem-solving and

Much of the job of a criminal justice professional involves problem-solving and dealing with “difficult” people. This requires criminal justice and law enforcement employees to master customer service.
What has your internship experience or any job experience taught you about dealing effectively with people that do not want to cooperate with you?
What have you done to improve your customer service delivery method?
How have you learned to be effective in dealing with difficult people as an intern?
What will be the hardest thing about working with difficult people when you are in the field?