Mo. Rev. Stat. § 267.535
In addition to the remedies provided for in sections 267.470 to 267.550 or by law, the prosecuting attorney of any county in which a violation of any provision of sections 267.470 to 267.550 occurs or the attorney general of the state is hereby authorized to apply to any court of competent jurisdiction for, and such court shall have jurisdiction upon hearing and for cause shown to grant, a temporary or permanent injunction to restrain any person from violating any provision of sections 267.470 to 267.550.
(L. 1955 p. 5 § 267.335)