Question: Which subject of Gregg Olsen's true crime books gave birth to Vili Fualaau's child?
Sentence (from "Gregg Olsen"): Gregg Olsen (born March 5, 1959 in Seattle, Washington) is a "New York Times", "USA Today" and "The Wall Street Journal" bestselling author of nonfiction books and novels, most of which are crime-related.
Relevant evidence: No