Title 16, Chapter 10, Section 56
(a) Any person legally confined to any penal institution of this
state or of any political subdivision of this state who commits an
unlawful act of violence or any other act in a violent or tumultuous
manner commits the offense of riot in a penal institution.
(b) Any person who violates subsection (a) of this Code section is
guilty of a felony and, upon conviction thereof, shall be punished
by imprisonment of not less than one nor more than 20 years.