Section 44
SEC. 44. Peace officers.-The chief of police, all city officers, and all members of the police force and secret service shall be peace officers; and all peace officers provided for in this Act, or authorized by law or ordinance, are authorized to serve and execute all processes of the municipal court and criminal processes of other courts to whomsoever directed, within the jurisdiction or the police limits of the city, and within the same territory they may pursue and arrest, without warrant any person found in suspicious places or under suspicious circumstances reasonably tending to show that such person has committed or is about to commit any crime or breach of the peace; may arrest or cause to be arrested, without warrant, any offender when the offense is committed in the presence of a peace officer or within his view; and in such pursuit or arrest may enter any building or take into custody any person therein suspected of being concerned in such crime or breach of the peace, and any property suspected of being stolen; they shall detain such person only until he can be brought before the proper magistrate; and shall have such other powers and perform such other duties as peace officers as may be prescribed by law or ordinance. Whenever the Mayor shall deem it necessary to avert danger or public calamity, or when he has reason to fear any violation of law and order, he shall have power to swear in special police, in such number as the occasion way demand, who shall have the same powers while on duty as members of the regular force.