(a) State detectives may conduct such investigations as directed by the Attorney General.
(b) Any state detective or any police officer of the State or of any subdivision thereof shall, when so requested by the Governor or the Attorney General, serve requisitions made by the Governor and for this shall not receive any compensation, but shall receive actual expenses. Such expenses shall be paid by the State Treasurer out of general funds not otherwise appropriated upon the production of vouchers approved by the Attorney General.
(c) State detectives may make arrests and serve writs anywhere in this State.
(d) The state detective shall serve and return summonses, subpoenas, warrants and commitments issued by presidents of court-martials.