Tomas Guillen is a professor in the communication department at Seattle University and the coauthor of the New York Times bestseller The Search for the Green River Killer (1991). Raised in El Paso, Texas, Guillen graduated from the University of Arizona with a degree in journalism and began his career as a reporter for the Tucson Citizen. He joined the staff of the Seattle Times in 1980 and spent more than a decade covering the Green River Killer case with Carlton Smith. They were Pulitzer Prize finalists for investigative reporting in 1988 and published The Search for the Green River Killer a decade before investigators arrested Gary Ridgway for the murders. In 1995, Guillen's articles on crime laboratories won the Silver Gavel award from the American Bar Association. He is the author of Toxic Love (1995) and Serial Killers: Issues Explored Through the Green River Murders (2006), and often is asked to discuss law enforcement and criminal justice issues on CNN, Fox, and Good Morning America. To learn more about the author, please visit www.tomasguillen.org