There is hereby created a police department in and for the city which, together with its officers and employees, is charged with the duties of preserving the public peace; protecting the rights of persons and property; detecting and preventing crimes; arresting violators of the law; preserving the peace at all public meetings and public places; preventing and removing, whenever possible, all nuisances on or in the streets, highways, alleys, waters and all other places in the corporate limits of the city; regulating and controlling vehicular and pedestrian traffic on the streets and alleys; investigating traffic accidents and determining the cause of such accidents; enforcing the state Penal Code; enforcing the penal ordinances of the city; and performing and discharging all other duties as are herein or which may hereafter be imposed upon it or them or any of them by the laws of the state, this code, and the ordinances of the city or by the mayor or city council.
(1973 Code, sec. 24-3; 1991 Code, sec. 23-1; 2007 Code, sec. 22-19)
The chief of police shall be the executive head of the police department and shall exercise all of the functions assigned thereto, and shall carry out the provisions of law and of ordinances with respect to such functions. The salary to be paid the chief of police shall be fixed by the city council. During the absence or disability of the chief of police, the city manager shall designate some properly qualified person to perform the duties of such office.
(1973 Code, sec. 24-4; 1991 Code, sec. 23-2; 2007 Code, sec. 22-20)
(a) 
A peace officer or any other person may, without a warrant, arrest an offender when the offense is committed in his presence or within his view, if the offense is one classed as a felony or as an offense against the public peace.
(b) 
A peace officer may arrest an offender without a warrant for any offense committed in his presence or within his view.
(1973 Code, sec. 24-1; 1991 Code, sec. 23-3; 2007 Code, sec. 22-21)