The person appointed shall possess the same power as the proper officer would if he was present and shall receive a reasonable fee for each case prosecuted to be fixed by the court and to be taxed and paid as other costs in criminal cases.
§ 56.130, RSMo
RSMo 1939 § 12950, A. 1949 H.B. 2014, A.L. 1959 S.B. 67