Miss. Code Ann. § 13-7-9: Miss. Code Ann. § 13-7-9

A state grand jury may return indictments irrespective of the county or judicial district where the offense is committed. If an indictment is returned, it must be certified and transferred for prosecution to the county designated by the impaneling judge. The powers and duties of and the law applicable to county grand juries apply to the state grand jury, except when such powers and duties and applicable law are inconsistent with the provisions of this chapter.