Based on true events?
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Like the movie, The Texas Chainsaw Massacre game claims to be based on true events, though the full story is a little more complicated. Director Tobe Hooper was inspired by a real serial killer--namely, Ed Gein, who also inspired Norman Bates from Psycho and Buffalo Bill from Silence of the Lambs--but The Texas Chainsaw Massacre is very much its own story. Leatherface, like Ed Gein, has a deeply abusive relationship with his family members, a taste for human flesh, and a hobby of making furniture, clothing, and other items out of his victims' body parts. This seems to be where the resemblance stops.