Robert De Niro is recovering after suffering an injury while on location for the Leonardo DiCaprio movie Killers of the Flower Moon. A rep for The Irishman actor tells De Niro suffered "a mild leg injury" amid ongoing production of the Apple+ thriller. The statement continues, "While at his on-location home in Oklahoma for the filming of Martin Scorsese's Killers of the Flower Moon, Robert De Niro injured his quadriceps muscle which will be treated medically in New York. This will not affect production as he was not scheduled to film again for another two weeks." According to IndieWire, Scorsese released a statement announcing the start date, sharing, "To be able to tell this story on the land where these events took place is incredibly important and critical to allowing us to portray an accurate depiction of the time and people." Screenwriter Eric Roth based the screenplay on author David Grann's book of the same which detailed the Osage peoples' battle for land rights after oil was found.