N.C. Gen. Stat. § 147-90
In every instance in which a private citizen is killed as a result of the use of a firearm by a law enforcement officer in the line of duty, the district attorney in the prosecutorial district in which the death occurred shall, upon the request of the surviving spouse or next of kin of the private citizen within 180 days of the death, request the State Bureau of Investigation to conduct an investigation into the incident. For purposes of this section, the term "next of kin" includes only the child, father, mother, sister, or brother of the private citizen.
Statements prepared by or on behalf of a district attorney pursuant to this section are not public records as defined by G.S. 132-1 and may be released by the district attorney only as provided by G.S. 132-1.4 or other applicable law.
N.C. Gen. Stat. § 147-90