Riotguards are piloted mechs armed with six machine guns/two mini guns which are used as security in Butcher Bay Correctional Facility, first encountered one in the Single-Max section. They have a weak spot which is a black panel on the back of the mech behind the head. They appear more often in the Double Max section of Butcher Bay. Riddick has the opportunity to pilot one. There is one in the Triple Max section, it is highly recommended to flee from this enemy.