timespace coordinates: early 2000s Los Angeles
One Hour Photo is a 2002 American psychological thriller film written and directed by Mark Romanek and starring Robin Williams, Connie Nielsen, Michael Vartan, Erin Daniels, Gary Cole, and Eriq La Salle.
In an interview, Romanek said that he was inspired to create this movie by films from the 1970s about “lonely men”, notably Taxi Driver (1976). (wiki)