The state Medicaid fraud control unit has the authority to:
(1) investigate, in accordance with federal law ( 42 U.S.C. 1396 et seq.): (A) Medicaid fraud;(B) misappropriation of a Medicaid patient's private funds;(C) abuse of Medicaid patients; and(D) neglect of Medicaid patients; and(2) investigate, in accordance with federal law ( 42 U.S.C. 1396 et seq.) and as allowed under 42 U.S.C. 1396b(q)(4)(A)(ii), abuse or neglect of patients in board and care facilities.