The Police in America: An Introduction

Dr. Samuel Walker is Professor Emeritus at the University of Nebraska at Omaha, where he taught for 31 years before retiring in 2005. He is the author of 14 books on policing, criminal justice policy, and civil liberties. He continues to write and consult in the area of police accountability, with a special interest in police early intervention systems and federal litigation against police misconduct.



Dr. Charles Katz is the Watts Family Director of the Center for Violence Prevention and Community safety and is an Associate Professor in the School of Criminology and Criminal Justice at Arizona State University. Dr. Katz earned his Ph.D. in Criminal Justice from the University of Nebraska at Omaha in 1997. He is coauthor of Policing Gangs in America by Cambridge University Press and numerous articles on policing and gangs. He is currently working with several large metropolitan police agencies evaluating programs and practices.