The court may order two or more indictments, informations, complaints, or defendants to be tried together if the interests of justice require and the charges or defendants could have been joined in a single indictment, information, or complaint as provided for in 46-11-404.
Trial Of Indictments, Informations, Complaints, Or Defendants Together
Mont. Code Ann. § 46-13-210, under Specific Pretrial Motions.
Mont. Code Ann. § 46-13-210