139.03  POWERS AND DUTIES.
   (a)    The Police Department and the members thereof shall, under the overall direction of the City Manager and the immediate direction of the Chief of Police, protect persons and property, preserve law and order, and perform all customary police duties within the City, and for such purposes all police officers shall have the powers and authority conferred on municipal police officers by State law.
   (b)    Members of the Police Department shall be vigilant in the enforcement of the laws of the State as they may be applicable within the City and the enforcement of the provisions of the Codified Ordinances and other ordinances of the City. They shall cooperate with other City officers and employees.
(1975 Code Sec. 14-3)