Donald Trump has stunned America by ordering the reopening and expansion of the infamous Alcatraz prison. The former president says the facility will house the country’s most “vicious and violent” offenders. Once home to criminals like Al Capone, Alcatraz shut down in 1963 and is now a popular tourist attraction. Critics, including top Democrats, have slammed the move as theatrical and legally dubious. Trump insists it’s a powerful symbol of law and order. But is this about justice, or just politics? Here's what we know so far.