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The following FAQ entries may contain spoilers. Only the biggest ones (if any) will be covered with spoiler tags. Spoiler tags have been used sparingly in order to make the page more readable.
No. Francis Ford Coppola wrote the screenplay and directed this mystery thriller based on a conversation he had with Star Wars: Episode V - The Empire Strikes Back (1980) director Irvin Kershner. Although the script was written in the mid-1960s, the film wasn't released until 1974, shortly after the Watergate scandal broke.
In the book The Conversations: Walter Murch on the Art of Editing Film (2002), Murch says that Coppola did the thing that is said about Harry in the movie. That is, being technically minded as he is, FFC tapped the phone of his neighbors. Murch also says that there is a side to Coppola that is very much like Harry, in opposition to the social, family man that is presented to the world.
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