Prosecutions for violations under Title 97, Chapter 45, or Section 97-5-33, may be instituted by the Attorney General, his designee or the district attorney of the district in which the violation occurred, and shall be conducted in the name of the State of Mississippi. In the prosecution of any criminal proceeding in accordance with this subsection by the Attorney General, his designee, and in any proceeding before a grand jury in connection therewith, the Attorney General, or his designee, shall exercise all the powers and perform all the duties which the district attorney would otherwise be authorized or required to exercise or perform. The Attorney General, or his designee, shall have the authority to issue and serve subpoenas in the investigation of any matter which may violate Title 97, Chapter 45, or Section 97-5-33.