'I Know What You Did Last Summer' Author Lois Duncan had a negative reaction to the 1997 horror flick after it came out. She didn't like the added violence in the movie, according to entertainment writer Clark Collis’ book “Screaming and Conjuring: The Resurrection and Unstoppable Rise of the Modern Horror Movie."
https://people.com/i-know-what-you-did-last-summer-author-was-not-happy…