An ongoing Associated Press investigation has uncovered deep, previously unreported flaws within the Bureau of Prisons over the last few years, including widespread criminal activity by employees, dozens of escapes, the free flow of guns, drugs and other contraband, and severe understaffing that has hampered responses to emergencies.

President Donald Trump on Sunday said that he would order the government rebuild and reopen Alcatraz, a former prison on a small island of the same name off the coast of San Francisco that once housed some of the most dangerous criminals in the country,