Agency In Crisis –Correspondent Cecilia Vega reports on the nation's federal prison system, long considered broken and opaque, and goes inside a women's prison in Aliceville, Ala., where she speaks with inmates who candidly share their concerns about the institution. Vega interviews the woman charged with reforming the Bureau of Prisons, director Colette Peters, as her agency is facing a major staffing crisis, aging and deteriorating prison infrastructure and an alarming pattern of abuse that has persisted for years. Natalie Jimenez Peel is the producer.Interpol –Reporting from Interpol headquarters in Lyon, France, Bill Whitakerexamines the international law enforcement agency's successes fighting global crime, as well as its failures keeping authoritarian countries from misusing its resources. Russia, China and Turkey, among others, have used Interpol's worldwide "wanted person" alerts, called red notices, to arrest dissidents and other innocent people who fled their countries. Graham Messick and Jack Weingart are the producers.Modern Ark –Lions from war-torn Ukraine, abused bears from a Korean medical facility, exotic big cats from Netflix's "Tiger King" pens in Oklahoma; they're among the many animals rescued by a modern-day Noah named Pat Craig, and brought back to his sprawling animal sanctuary in Colorado. Correspondent Jon Wertheimmeets Craig and tells the story of his most ambitious mission yet: a high-stakes rescue at a zoo in Puerto Rico. David M. Levine is the producer.