Factual error: Almost mid-way in the movie there's a street scene in which a Vietnam era Huey helicopter flies overhead in 1954. (00:56:56)
Factual error: At the point where Jared Leto is released from prison he is picked up in a 1960 Black Chrysler Imperial. As the camera rises it shows the date as 1954. The car is used a few more times in the movie.