Casuarina Prison is the main maximum-security prison for Western Australia, located near Perth. The prison accommodates minimum-, medium- and maximum-security prisoners and was opened in 1991 to replace Fremantle Prison. The prison featured in the documentary Australia's Hardest Prison: Lockdown Oz on the National Geographic channel in 2008, following the lives of prisoners and officers. In 2013 the prison was the setting for the film Son of a Gun.