Yes, the 'Chainsaw Massacre' was inspired by real - life events. However, it's highly fictionalized. The movie was based on the crimes of serial killer Ed Gein, who had some very disturbing and grotesque behaviors like grave robbing and using human body parts. But the movie added a lot of horror elements and fictional scenarios for the sake of entertainment and creating a terrifying story.
Yes, 'Texas Chainsaw Massacre' was inspired by real - life events. It was loosely based on the crimes of serial killer Ed Gein. Gein had a very disturbing and grotesque modus operandi which included grave robbing, making items from human body parts, etc. His actions were so extreme that they became the inspiration for many horror movies, including 'Texas Chainsaw Massacre'.