Mo. Rev. Stat. § 407.415: Attorney general may obtain injunction, when — bond not required.

In addition to other penalties and remedies provided in sections 407.400 to 407.420, whenever it appears that any person is engaged or is about to engage in any act or practice which constitutes a pyramid sales scheme, the attorney general may bring an action in the circuit court having venue to enjoin such act or practice, and upon a proper showing, a temporary restraining order or a preliminary or permanent injunction shall be granted without bond.