Dr. Robi Ludwig is a nationally known psychotherapist and award-winning reporter. A frequent guest commentator on a variety of programs, including CNN's Larry King Live, Nancy Grace, NBC's Today show, and The Oprah Winfrey Show, Dr. Ludwig provides commentary on the motivations behind the criminal mind. She lives and works in New York.
Matt Birkbeck is the author of A Beautiful Child: A True Story of Hope, Horror, and an Enduring Human Spirit and A Deadly Secret: The Strange Disappearance of Kathie Durst. A reporter for The Morning Call, he served for nearly a decade as a correspondent covering crime and human interest stories for People magazine, and his articles have appeared in The New York Times, Reader's Digest, The Philadelphia Inquirer, and other periodicals. He lives in Pennsylvania.