The notorious Tamms “supermax” prison in Illinois has officially closed its doors following the transfer of the last of its prisoners. Prisoners’ advocates and family members led a campaign for the shuttering of Tamms, citing harsh conditions that included the use of long-term solitary confinement for a decade or longer. Illinois Gov. Pat Quinn announced its closure last year, citing budgetary concerns. In a statement, the American Civil Liberties Union’s National Prison Project praised the closure of Tamms, saying the prison “symbolized the ever more punitive, dehumanizing, and ineffective state of our criminal justice system where entire institutions are built to hold prisoners in extreme solitary confinement. [Its closure] is a major victory first and foremost because of [solitary’s] abhorrent and terrifying psychological consequences.”