True Confessions was a film that was based on the murder case that occurred in what city?
True Confessions (film):  Produced by Chartoff-Winkler Productions, it adapted from the novel of the same name by John Gregory Dunne, and loosely based on the Black Dahlia murder case of 1947. Black Dahlia: Elizabeth Short (July 29, 1924 – January 14 or 15, 1947), known posthumously as "The Black Dahlia", was an American woman who was found murdered in the Leimert Park neighborhood of Los Angeles, California.
Los Angeles