Wright, whose hands were chained as he signed the plea, is accused of aggravated assault, kidnapping, armed robbery, criminal attempt to commit aggravated sodomy and gun charges in Richmond County.
He is accused of beating Jennie Hope in the head and arms during a robbery at Lotto Express at Broad and 13th streets. He is also suspected in the Aiken killing of two women whose bodies were found suffocated and set on fire.
Also arraigned Friday were Brandon White, 20, Johnny Patrick Thibodeaux, 20, and Carron Anthony Winfrey, 21, on charges of murder for the shooting death of Damion Alex Collier. Investigators have suspected that the shooting may be connected to gang activity.