§ 31.12 CONSERVATORS OF THE PEACE.
   The Mayor, Aldermen, Chief of Police, policemen and watchmen are deemed to be conservators of the peace and shall have power to arrest or cause to be arrested, with or without process, all persons who break the peace, or are found violating any of the ordinances of the city or the criminal law of the state.
(‘69 Code, § 2-93)
Statutory reference:
   Conservators of the peace, see ILCS Ch. 65, Act 5 § 3-9-4