How did denver learn of her mother's terrible act of infanticible?

Denver learned of her mother's terrible act of infanticide through a haunting memory and the whispered stories of the community. In "Beloved" by Toni Morrison, she overhears conversations about her mother's past and the tragic circumstances surrounding her sister's death. This revelation deeply impacts Denver, as it shapes her understanding of family, trauma, and the haunting legacy of her mother's choices.