S.D. Codified Laws § 62-4-49
All investigative records and files relating to written requests made pursuant to § 62-4-47 are confidential. No disclosure of any such records, files, or other information may be made except as authorized in this section and § 62-4-48. The names of individuals providing evidence in support of a written request are confidential during the pendency of the request and the investigation. If the records or the testimony of the witness supplying the records are to be admitted at the hearing, the records and the testimony, or both, are discoverable and shall be provided to the claimant and the claimant's attorney. The department may release records, files, or other information to the attorney general, the state's attorney, law enforcement officials, and public officials who require the information in connection with their official duties. A violation of this section is a Class 1 misdemeanor.
SDCL 62-4-49