5-1-3: POWERS AND DUTIES:
The chief of police and all police officers of the city shall have the following powers and duties, in addition to those that may be assigned to them as provided in this chapter:
   A.   To suppress riots, disturbances and breaches of the peace, and to apprehend all persons committing any offense against the laws of the state or the ordinances of the city;
   B.   To execute and serve all warrants, processes, commitments and writs whatsoever issued by the justice of the peace;
   C.   To preserve the public peace, prevent crime, detect and arrest offenders, protect persons and property, remove nuisances existing in the public streets, roads, highways and other public places, enforce every law relating to the suppression of offenses, render such assistance in the collection of licenses as may be required by the license collector and perform all duties enjoined upon them by law and ordinance. (1991 Code § 2.20.030, as amended)