The document discusses several stereotypes presented in media, including: 1. Teenagers being portrayed as eccentric and dangerous. 2. Knives being commonly used as weapons in films. 3. Men often being shown as antagonists. 4. White British males frequently portrayed as villains. 5. Not showing graphic violence or bloodshed to avoid depicting the seriousness of crimes. It also notes some unconventional representations, such as a middle-class protagonist rather than a working-class one in a crime scene.