Diary of a Serial Killer

The film doesn't include any LGBTQ+ characters or stories about non-cisgender identities. The plot focuses solely on the psychological investigation of historical serial killers.

The female journalist Laura Nelson provides a strong central perspective with intellectual ability to act. However, her character follows traditional female clichés where strength is defined through past victimization.

The narrative centers on historically white-dominated criminal archetypes like Dahmer and Gein. There is no indication of intentional racial or ethnic diversity in the cast.

The story follows a standard Western investigative framework and traditional horror structures. It does not challenge or deconstruct social or religious hierarchies.

While the protagonist is described as tormented, there is no portrayal of neurodivergence or disability with ability to act. Psychological trauma remains a standard genre element.