Part 1: Studying Classical Police Integrity Theory and Methodology.- Chapter 1: Exploring empirical research on police integrity.- Chapter 2: Overlapping shades of blue: Exploring police officer, supervisor, and administrator cultures of police integrity.- Chapter 3: Exploring differences in police integrity within a centralized police system.- Part 2: Expanding the Police Integrity Theory.- Chapter 4: Seriousness of police (mis)behavior and organizational justice.- Chapter 5: Exploring the relation between support for community policing and police integrity in South Africa.- Chapter 6: The contours of an organizational theory of green police integrity.- Chapter 7: Police integrity and the perceived effectiveness of policing: Evidence from a survey among Ugandan police officers.- Chapter 8: A complex relation between the code of silence and education.- Part 3: Expanding the Police Integrity Methodology.- Chapter 9: Public views about police misconduct and police integrity in a comparative perspective.- Chapter 10: Similar, different or somewhere in between? The police officer and citizen views on police misconduct.- Chapter 11: Slovenian resident and police officer evaluations of the harm caused by different types of police deviance.- Chapter 12: Exploring gender differences in the Australian context: Organizational and cultural dimensions of ethical attitudes.- Part 4: Exploring Validity and Reliability of Police Integrity Methodology.- Chapter 13: Improving the measurement of police integrity: An application of LTM to the Klockars et al. (1997) scales.- Chapter 14: The speed of progress: Comparing citizen perceptions of police corruption in Croatia over time.- Chapter 15: The effects of ethics training on police integrity.