The screenplay for Natural Born Killers was heavily revised by screenwriter David Veloz.
=== Planned film adaptations ======= Original attempt  Gorin ====In 1974, French film-maker Jean-Pierre Gorin commissioned Dick to write a screenplay based on Ubik
 Tarantino had sold an option for his script to producers Jane Hamsher and Don Murphy for $10,000 after he had tried, and failed, to direct it himself for $500,000

