Yes, the movie "Monster" is based on a true story. It depicts the life of Aileen Wuornos, a real-life serial killer who was active in Florida during the late 1980s. The film follows her tumultuous life, including her troubled childhood, her relationship with lover Tyria Moore, and her subsequent crimes. Wuornos was convicted of murdering several men and was executed in 2002. The film stars Charlize Theron, who received critical acclaim for her performance, winning an Academy Award for Best Actress.

The movie "Monster," directed by Patty Jenkins and released in 2003, is not primarily focused on LGBTQ themes. Instead, it tells the tragic story of Aileen Wuornos, a real-life serial killer, portrayed by Charlize Theron. The film explores Aileen's tumultuous life, her relationship with lover Selby Wall, played by Christina Ricci, and the societal issues surrounding her experiences as a marginalized woman. While Aileen's relationship with Selby has LGBTQ elements, the film centers more on themes of survival, love, and despair.

"Monster," directed by Patty Jenkins, is not primarily a horror movie but a biographical crime drama based on the life of serial killer Aileen Wuornos, played by Charlize Theron. If you're looking for the #1 scariest horror movie, many critics and fans often cite "The Exorcist" (1973) for its intense atmosphere, themes of demonic possession, and psychological horror. Other notable mentions include "Hereditary" and "The Shining," each known for their unique styles of terror and lasting impact on the genre.

"Monster" is a 2003 biographical crime drama that tells the story of Aileen Wuornos, a real-life serial killer portrayed by Charlize Theron. The film follows Aileen, a troubled woman who turns to sex work to survive and eventually becomes involved in a destructive relationship with a woman named Selby, played by Christina Ricci. As Aileen's life spirals out of control, she commits a series of murders in self-defense, leading to her arrest and trial. The film explores themes of love, survival, and the impact of trauma on an individual's psyche.