Pryor, Mark: - MARK PRYOR is a former newspaper reporter and felony prosecutor, originally from England but now living in Austin, Texas. He is the author of the Hugo Marston mystery series, set in Paris, London, and Barcelona. Mark is also the author of the psychological thrillers, Hollow Man, and its sequel, Dominic. As a prosecutor, he appeared on CBS News's 48 Hours and Discovery Channel's Discovery ID: Cold Blood.