Deadly Fascination - S8.E3

A famous crime-fiction writer is asking a lot of questions about the death of a baby 25 years ago. When he discovers the body of a missing child, Tess wonders if he is capable of committing the very acts of violence he writes about. Tom confronts the author, who reveals his intimate connection to the long-closed case of the baby's death. How can Tess and Tom separate fact from fiction?