Killers of the Flower Moon: The Osage Murders and the Birth of the FBI

It's an incredible and largely forgotten (but somehow not surprising) story: for a time, in the 1920s, the Osage Indians of Oklahoma were among the wealthiest people in the world, because they had been savvy enough to hold onto the mineral rights of their reservation land before oil was discovered there. And then the murders began. Grann, a New Yorker reporter and author of The Lost City of Z, pieces together the stories of the Osage as well as the fitful investigation by the newly born FBI that finally solved a handful of the crimes, but then he traces a web of crime and appropriation far beyond that immediate conspiracy. A chilling story, told with Grann's deceptive simplicity and attention to character.