John P. Crank is a Professor in School of Criminology and Criminal Justice at the University of Nebraska, Omaha. He received his M.A. in Sociology from the University of Arizona, his M.P.A. from the University of Illinois, and his Ph.

D. in Sociology from the University of Colorado. He has published in the area of police effectiveness, and in the areas of organizational culture and structure, focusing on the police and on parole and probation. He has also published on criminal justice theory and counter-terrorism and was the recipient of the Academy of Criminal Justice Science's Outstanding Book Award in 2004 for his book Imagining Justice (Anderson Publishing).