(a) The criminal district attorney of Deaf Smith County shall attend each term and session of the district courts in Deaf Smith County and shall represent the state in all criminal and civil cases in the courts in the county.
(b) The criminal district attorney has all the powers, duties, and privileges in Deaf Smith County relating to criminal or civil matters involving the county or state that are conferred by law on county and district attorneys in the various counties and districts.

(c) The criminal district attorney shall assist the county attorney in Oldham County on his request or, in the event of his inability to act, on appointment by the judge of the district court in Oldham County.