The story so far: AP's investigation into federal prisons

An ongoing Associated Press investigation has uncovered deep, previously unreported flaws within the federal Bureau of Prisons, the Justice Department’s largest law enforcement agency, whose secrets have long been hidden within its walls and barbed-wire fences.

The AP’s reporting has revealed layer after layer of abuse, neglect and leadership missteps — including rampant sexual abuse by workers, severe staffing shortages, inmate escapes and the mishandling of the COVID-19 pandemic — leading directly to the agency’s director announcing his resignation earlier this year.

Among the AP’s findings, so far:

— Mess up, move up: A high-ranking official repeatedly promoted despite numerous red flags, including allegations that he beat inmates in the mid-1990s while a member of a violent, racist gang of guards called “The Cowboys.”

— Sexual abuse: A permissive, toxic culture of predatory employees at a women’s prison in California, fueled by cover-ups that largely kept their misconduct out of the public eye for years. Among the accused is the prison’s former warden.

— Criminal misconduct: More than 100 Bureau of Prisons workers arrested, convicted or sentenced for crimes since the start of 2019, but the agency has turned a blind eye to employees accused of misconduct, in some cases failing to suspend them after their arrests.

— Staffing crisis: Nearly one-third of federal correctional officer positions vacant, forcing prisons to use cooks, teachers, nurses and other workers to guard inmates, hampering the response to emergencies, including inmate suicides.

— Escaping inmates: 29 prisoners escaped from federal prisons in an 18-month span, with nearly half still at large. At some institutions, doors are left unlocked, security cameras are broken and officials sometimes don’t...