Dark Blue is a 2002 American neo-noir crime thriller film directed by Ron Shelton and written by David Ayer, based on a story written for film by crime novelist James Ellroy and takes place during the days leading up to the Rodney King trial verdict. The film stars Kurt Russell, with Ving Rhames and Brendan Gleeson in supporting roles.

David Ayer is an American filmmaker known for making crime films that are set in Los Angeles and deal with gangs and police corruption. His screenplays include Training Day (2001), The Fast and the Furious (2001), and S.W.A.T. (2003). He has also directed Harsh Times (2005), Street Kings (2008), End of Watch (2012), Sabotage (2014), and The Beekeeper (2024). In 2016, he directed the superhero movie Suicide Squad from the DC Extended Universe, and then the urban fantasy film Bright (2017) for Netflix. He has twice collaborated with actor Shia LaBeouf: first with the World War II drama Fury (2014), then the crime thriller The Tax Collector (2020). He has also collaborated with his friend Cle Shaheed Sloan who has appeared in four of his films.