Gene RiehlGene Riehl is the author of Quantico Rules and Sleeper, thriller novels that feature FBI agent Puller Monk. A former FBI agent himself, Riehl specialized in foreign counterintelligence and espionage during his law-enforcement career. Hehas served as the on-air terrorism analyst for a major broadcast group representing the CBS, NBC, CNN, and Fox television networks. He lives in La Jolla, California. Read More Read Less