In Psycho, Norman Bates hinted early on that he killed and taxidermied his mother, when he told Janet Leigh that she was as harmless as one of his stuffed birds. That's one example of 10 foreshadowing scenes presented in this video. Other movies in the video: Skyfall, Total Recall, The Shawshank Redemption, Reservoir Dogs, The Usual Suspects, The Shining, Ace Ventura: Pet Detective, Jurassic Park, and Shaun of the Dead.
Here are 10 foreshadowing clues in well-known movies
https://youtu.be/8uXwBc0pndk