(a) The commission shall establish the office of inspector general.
(b) The office of inspector general is responsible for:
(1) acting to prevent and detect serious breaches of departmental policy, fraud, and abuse of office, including any acts of criminal conduct within the department; and
(2) independently and objectively reviewing, investigating, delegating, and overseeing the investigation of:
(A) conduct described in Subdivision (1);
(B) criminal activity occurring in all divisions of the department;
(C) allegations of wrongdoing by department employees;
(D) crimes committed on department property; and
(E) serious breaches of department policy.