5-1-9: JUVENILE SECTION OF DEPARTMENT:
   A.   There is hereby created a Juvenile Section within the Police Department, which shall have sole and exclusive jurisdiction over persons under the age of seventeen (17) years. The Chief of Police shall designate and assign certain members of the Police Department to be the Juvenile Officers and such officers shall supervise and be in charge of said Juvenile Section. No person shall be designated as a Youth Officer unless such person shall have had special training or experience in the matter of youth problems and juvenile delinquency.
   B.   The Juvenile Section, in the administration of the duties of said office and the supervision of the Juvenile Section, shall cooperate with all other divisions of the Police Department and shall function under the supervision of the Chief of Police.
   C.   The Juvenile Section shall have charge of and be responsible for wayward, dependent and delinquent children under the age of seventeen (17) years, crimes against children, domestic relations where children are involved and the investigation of all complaints pertaining thereto. The Juvenile Section shall keep and maintain its own records of complaints, investigations and reports. All children under the age of seventeen (17) years who are apprehended or brought into custody of the Police Department shall be turned over to the Juvenile Section.
   D.   All members of the Police Department shall cooperate with the Juvenile Section in connection with arrests and investigations involving delinquent children. The Juvenile Section shall be charged with all matters referred by it to the Circuit Court of Cook and DuPage Counties, Juvenile Division, and shall perform such other and additional duties as the Chief of Police may from time to time direct. (1983 Code)