Who is the suspect in the book Ruined by Paula Morris?

In "Ruined" by Paula Morris, the primary suspect in the mysterious occurrences surrounding the protagonist, Rebecca, is the enigmatic figure of Lisette, a ghost from the past. As Rebecca navigates her stay in New Orleans, she uncovers secrets that connect Lisette to the city’s haunted history. The narrative intertwines themes of identity and the supernatural, leading readers to question who is truly responsible for the unsettling events. Ultimately, the investigation reveals deeper truths about loss and connection.