In the novel, The Girl on the Train, the main character, Rachel, disguises herself as the friend a woman found recently missing. She does this because she saw the woman and her husband in their house every day until the day she went missing. While pretending, she talks to the woman’s husband and therapist, and also the police. After the woman’s husband finds out that Rachel was never actually his wife’s friend he acts aggressively and eventually locks her in a room in his house. She tried to help the cops by telling them about always seeing the woman from the train, but she continuous to pretend to be her friend. After the police find out that she was never actually her friend they stop taking evidence form her, deeming her unreliable. The
