This quantitative study examined the relationships among procedural justice satisfaction, officer morale, and organizational justice perceptions within the Atlanta Police Department (APD). Using secondary data from a self-administered survey of 241 sworn APD officers collected between August and October 2016 (Hoffman, Hinkle, & Ledford, 2023), the study analyzed how officers' satisfaction with internal procedural fairness shaped their broader perceptions of organizational justice and whether officer morale mediated this relationship. The data were gathered during a period of heightened national scrutiny of police use of force, providing a critical context for understanding officer attitudes amid significant organizational and societal pressure. Guided by organizational justice theory and informed by social exchange theory and conservation of resources theory (Blau, 1964; Colquitt, Conlon, Wesson, Porter, & Ng, 2001; Hobfoll, 1989), the study investigated whether officer morale functioned as a mediating mechanism linking procedural justice satisfaction to organizational justice perceptions. Causal mediation analysis using Stata's mediate command (Imai, Keele, & Tingley, 2010) was employed to estimate direct and indirect effects, while adjusting for demographic and professional characteristics including age, gender, race, education, years of service, and patrol zone assignment. Results demonstrated that procedural justice satisfaction was a robust positive predictor of both officer morale and organizational justice perceptions. Officers who were more satisfied with the fairness and transparency of internal procedures reported higher morale and more favorable views of organizational justice overall. The mediation hypothesis was supported: officer morale served as a partial but statistically significant mediator of the relationship between procedural justice satisfaction and organizational justice perceptions. In the uncontrolled mediation model (N = 241), the indirect effect through morale was 0.49 (p = .001), the direct effect was 1.51 (p < .001), yielding a total effect of 1.99 (p < .001). Approximately 24.3% of the total effect of procedural justice satisfaction on organizational justice operated through officer morale, with the direct effect accounting for approximately 75% of the total. In the controlled model (N = 211), the proportion mediated was 25.2%, confirming the robustness of the findings. Although the indirect pathway was smaller than the direct effect, morale remained a statistically significant mediating mechanism, and the total effect corresponded to approximately 40% of the five-point scale range. The study makes several contributions to the policing literature. First, it shifts attention inward, emphasizing officers' internal organizational experiences rather than solely citizen perceptions. Second, it integrates procedural justice satisfaction, morale, and organizational justice into a unified empirical framework, providing evidence on the organizational foundations of legitimate policing. Third, it demonstrates that officer morale functions as a statistically significant partial mediator, accounting for roughly one-quarter of the total effect of procedural satisfaction on organizational justice, while the direct cognitive evaluation pathway accounts for the remaining three-quarters. Importantly, the organizational justice and officer morale scales used in this analysis contain no overlapping items, ensuring that the observed relationships reflect genuine conceptual association rather than measurement artifact. These findings highlight the importance of internal procedural fairness for building a psychologically healthy and just policing organization. The study has important implications for police management and organizational reform. The dual direct and indirect effects of procedural justice satisfaction suggest that improving internal fairness through transparent communication, consistent discipline, inclusive decision making, and supportive supervision may enhance both officer morale and perceptions of organizational justice. Rather than focusing exclusively on training officers how to treat citizens, agencies may benefit from strengthening fairness within the institution itself. Limitations include the cross-sectional research design, reliance on self-reported measures, a reduced sample size due to missing data on control variables, and a focus on a single urban police department in the American South. Future research should employ longitudinal or experimental designs to establish temporal ordering and causal pathways, incorporate multi-level and comparative frameworks, and explore additional mediating mechanisms such as self-legitimacy and trust in leadership.