North Carolina General Statutes Chapter 7A. Judicial Department § 7A-69. District attorney investigators

Each district attorney is entitled to at least one district attorney investigator to be appointed by the district attorney and to serve at the district attorney's pleasure.

It shall be the duty of the district attorney investigator to investigate cases preparatory to trial and to perform such other Duties as may be assigned by the district attorney.  The district attorney investigators are entitled to reimbursement for subsistence and travel expenses to the same extent as State employees generally.