It is the duty of the police department:
   A.   To apprehend and arrest on view or on warrant and bring to justice all violators of the ordinances of the city;
   B.   To suppress all riots, affrays, and unlawful assemblies which may come to their knowledge, and generally to keep the peace;
   C.   To serve all warrants, writs, executions, and other processes properly directed and delivered to them;
   D.   To apprehend and arrest persons violating federal or state law as provided by law, and to turn them over to proper authorities; (1985 Code § 13-302)
   E.   To enforce all municipal ordinances; and
   F.   In all respects to perform all duties pertaining to the offices of police officers. (1985 Code § 13-302; amd. 2007 Code)