The question of whether Quentin Tarantino’s film “Once Upon a Time in Hollywood” is a true story has been the subject of much debate among film enthusiasts and historians. While the film is based on real-life events and characters, it takes significant creative liberties and fictionalizes many aspects of the story.
One of the most notable departures from reality is the portrayal of the Manson Family murders. In the film, the murders are depicted as being prevented by the fictional characters Rick Dalton (Leonardo DiCaprio) and Cliff Booth (Brad Pitt). In reality, the murders were carried out by members of the Manson Family, and there is no evidence to suggest that Dalton or Booth were involved in any way.