In the post, Trump said he was directing the DOJ, FBI and Department of Homeland Security to look into rebuilding and expanding the prison to house the “most ruthless and violent offenders.” He wrote that reopening Alcatraz would “serve as a symbol of Law, Order, and JUSTICE.”

Many California officials responded with a range of ridicule and concern about reopening the nearly century-old prison. State Sen. Scott Wiener, a Democrat, called it “unhinged.”