INTERNAL INVESTIGATIONS AND OBLIGATIONS TO THE PUBLIC. 17.1: The parties recognize that the security of the City and its citizens depends to a great extent upon the manner in which the employees covered by this Agreement perform their various duties. Further, the parties recognize that the performance of such duties involves those employees in all manner of contacts and relationships with the public and out of such contacts and relationships questions may arise or complaints may be made concerning the actions of employees covered by this Agreement. Investigation of such questions and complaints must necessarily be conducted by, or under the direction of, department supervisory officials whose primary concern must be the security of the City and the preservation of the public interest.