Law Abiding Citizen is a 2009 American vigilante action thriller film directed by F. Gary Gray, written by Kurt Wimmer, and starring Jamie Foxx and Gerard Butler. The film takes place in Philadelphia, telling the story of a man driven to seek justice while targeting not only his family's killer but also those who have supported a corrupt criminal justice system, intending to assassinate anyone supporting the system. Law Abiding Citizen was filmed on location in Philadelphia, and released theatrically by Overture Films in North America on October 16, 2009.

Felix Gary Gray is an American director and producer. Gray began his career as a director on numerous critically acclaimed and award-winning music videos, including "It Was a Good Day" by Ice Cube, "Natural Born Killaz" by Dr. Dre and Ice Cube, "Keep Their Heads Ringin'" by Dr. Dre, "Waterfalls" by TLC, and "Ms. Jackson" by Outkast.