Is Killers of the Flower Moon book a true story?

Killers of the Flower Moon is a book by David Grann that tells the true story of the Osage murders, a series of crimes that took place in Oklahoma in the 1920s.

The book reveals how members of the Osage Nation, who became rich from oil royalties, were systematically killed by a conspiracy of white oilmen and their accomplices, who wanted to inherit their wealth.

The book also chronicles the investigation of the murders by agents of the FBI and the Bureau of Investigation, who faced corruption, racism, and violence in their pursuit of justice. The book is based on extensive research, interviews and archival documents, and exposes a dark and forgotten chapter of American history.

Killers of the Flower Moon is a 2023 American crime drama film directed by Martin Scorsese and written by Eric Roth. The movie chronicles the harrowing murders of Osage Native Americans in Oklahoma due to their murderers’ greed for oil. The movie stars Leonardo DiCaprio, Lily Gladstone, and Robert De Niro.