SDCL § 23-3-4: Papers filed and appearances by attorney general.

The attorney general shall have authority to sign, file, and present any and all complaints, informations, presentments, indictments, subpoenas, affidavits, motions, process, and papers of any kind which the state's attorney might do in any criminal proceeding, and to appear before all magistrates, grand juries, courts, commissions, or tribunals in any criminal proceeding in the state, the same as the state's attorney might do, or in conjunction with said state's attorney.