(a) The grand jury must inquire:
(1) Into the case of every person imprisoned in the county jail or detention facility or on bail who has not been charged by indictment or information within sixty (60) days of arrest;
(2) Into the condition and management of the public prisons of the county; and
(3) Into the willful and corrupt misconduct in office of public officers of every description in the county.
(b) The grand jury may inquire into all public offenses committed within the jurisdiction of the court in which they are impaneled and to indict such persons as they find guilty thereof.
(c) If a member of the grand jury knows or has reason to believe that a public offense has been committed within the jurisdiction of the court, he or she must disclose the knowledge or belief to his or her fellow jurors, who must thereupon investigate the offense.
(d) Grand jurors are entitled to free access, at all reasonable times, to public prisons and to the examination, without charge, of all public records in the county.
(e) It is the duty of every grand jury at each term of the circuit court to make careful examination of the condition of the accounts of the collecting officers of the county and any matters relating to the general school fund.