The purpose of this review is to provide a glimpse of antecedents at individual and organizational levels to better understand the issue of police integrity. The search process of the previous study was conducted through a reputable electronic database of Web of Science, Scopus, and ScienceDirect and was limited to the area of ethics and integrity of the police. The relevant articles found on the topic have been repeatedly reviewed to ensure the authenticity of the results. The literature findings indicated that antecedents of individual traits such as accountability, spiritual values, moral values, and professionalism is important in sustaining police integrity. Meanwhile, organizational characteristics that influence strengthening police integrity are organizational rules, ethical training, and ethical leadership. Notably, it has been a long interest of scholars on the issue of police integrity, and many recent kinds of research have been conducted to explore more antecedents relevant to the current challenges of police work. Future research should be undertaken to scrutinize various antecedents of external influences of police, such as communities' perception and trust, political authority influences, and economic factors that lead to integrity building of police.