Perry Smith's story has been portrayed in various forms of media and popular culture, most notably in Truman Capote's "In Cold Blood." This narrative non-fiction masterpiece painted a detailed and sometimes sympathetic portrait of Smith. Additionally, movies, documentaries, and other books have explored the Clutter family murders, each offering different perspectives on Smith's life and the infamous crime. His portrayal ranges from a cold-blooded killer to a tragic figure shaped by circumstance.