David Canter is professor emeritus at the University of Liverpool, UK. Internationally known for developing the emerging field of investigative psychology, he has published widely on many aspects of social, environmental, and forensic psychology. His book Criminal Shadows received the Gold Dagger and the Anthony Award.
Chris MacDonnell is a classically trained actor who holds a degree from the London Academy of Music and Dramatic Arts. His theater credits include London's West End and the Royal National Theatre, and he has been featured in British TV shows, BBC radio-drama, commercials, and films. Chris now lives in Southern California.