60 Minutes reports on how the flight logs found in a plane in Fort Lauderdale, Fla., uncovered Argentina’s notorious death flights during its dictatorship in the mid-1970s – serving as key evidence of the country’s lethal scheme that “disappeared” thousands of innocent citizens whom they viewed as a threat. Correspondent Jon Wertheim revisits this dark and traumatic period in Argentine history, meeting the pair of investigators who discovered the plane, and families of the victims who were thrown to their deaths. This is a double-length segment.

Host John Oliver’s highly lauded show, “Last Week Tonight,” gives him a Sunday night platform to unleash searing, satirical takes on the politics and problems of America, his adopted homeland. So how did this Brit become one of this country’s sharpest comedians? Correspondent Bill Whitaker travels to the U.K., and goes behind the scenes in New York, to trace Oliver’s comedic journey.