Frankie Elkin is a fictional character created by author J.T. Ellison. She is known for her unique profession as a "missing persons" investigator, specializing in cases that have gone cold. Frankie is characterized by her determination and empathy, often driven by her own personal losses. In her stories, Frankie travels to various locations to uncover the truth behind disappearances, using her skills to connect with families and gather clues. Her adventures often highlight themes of grief, resilience, and the quest for closure, making her a relatable and compelling protagonist in contemporary mystery fiction.