David A. Klinger is a Professor of Criminology and Criminal Justice at the University of Missouri-St. Louis and Senior Fellow at the Police Foundation in Washington, DC. He holds a BA in History from Seattle Pacific University, an MA in Justice from American University in Washington, D.C. and a PhD in Sociology from the University of Washington in Seattle. Prior to pursuing his graduate degrees, Professor Klinger worked for three and one-half years as a patrol officer for the Los Angeles and Redmond (WA) Police Departments. He has held research positions at the Police Foundation in Washington, D.C.; the University of Washington, Seattle; the Washington State’s Attorney’s Office; and the Seattle Police Department. In 1997 he was the recipient of the American Society of Criminology’s inaugural Ruth Cavan Young Scholar Award for outstanding early career contributions to the discipline of criminology. He has served as a member of two National Academy of Sciences committees and has written more than thirty scholarly articles, book chapters, and encyclopedia entries that address topics such as arrest practices, the use of force, how features of communities affect the actions of patrol officers, and terrorism. Dr. Klinger often conducts training sessions for police officers on the use of deadly force, frequently serves as an expert witness in police-related litigation, and is regularly sought out by news organizations for his take on various police issues. His book on police shootings, Into the Kill Zone: A Cop’s Eye View of Deadly Force, was published by Jossey-Bass in 2004.