Sec. 12.  JUDGES TO BE CONSERVATORS OF THE PEACE; INDICTMENTS AND INFORMATION.  (a) All judges of courts of this State, by virtue of their office, are conservators of the peace throughout the State.
(b)  An indictment is a written instrument presented to a court by a grand jury charging a person with the commission of an offense.  An information is a written instrument presented to a court by an attorney for the State charging a person with the commission of an offense.  The practice and procedures relating to the use of indictments and informations, including their contents, amendment, sufficiency, and requisites, are as provided by law.  The presentment of an indictment or information to a court invests the court with jurisdiction of the cause.  
(Feb. 15, 1876. Amended Aug. 11, 1891, and Nov. 5, 1985.)