River’s Edge, 1986. An American drama directed by Tim Hunter. Written by Neal Jimenez. Starring Keanu Reeves, Crispin Glover, Ione Skye and Dennis Hopper.
While the screenplay is fiction, it draws from the November 3, 1981 murder of Marcy Renee Conrad, who was raped and strangled by Anthony Jacques Broussard in Milpitas, California.
The movie was awarded Best Picture at the 1986 Independent Spirit Awards.