Joseph Hilldorferis a Special Agent for the Environmental Protection Agency and a member of the National Counter-Terrorism Evidence Response Team. He has been involved in high-profile environmental investigations in the Pacific Northwest since 1992. Prior to joining EPA, Hilldorfer was a distinguished Special Agent with the FBI in Seattle and New York City, working high-profile cases such as the Green River Killer and going undercover for the Counter-Espionage Squad. With an M.A. in Criminal Justice Administration from Indiana University of Pennsylvania and a law degree from the University of Pittsburgh School of Law, he is admitted to the Pennsylvania bar. He lives in Seattle, Washington.
Robert Dugoni graduated Phi Beta Kappa from Stanford University with a degree in journalism and clerked as a reporter for the Los Angeles Times before obtaining his doctorate of jurisprudence from the University of California at Los Angeles School of Law. He practiced as a civil litigator in San Francisco and Seattle for 17 years. In 1999 he left the full-time practice of law to return to writing. He is the author of the popular David Sloane series of books. The latest one is entitled, Bodily Harm. He lives with his wife and two children in the Pacific Northwest.