This paper examines the role of the Nigeria Police Force in the implementation of government policies on combating corruption, by focusing on constitutional provisions, statutes and cases, in order to assess whether the effort of the Police Force has been complementary or counterproductive in the fight against corruption. The paper identifies that one of the major factors militating against the effectiveness of the Police Force fight against corruption is lack of continuity of previous government's policies on corruption. It, however, affirms that owing to a number of other factors, which include lack of diligent prosecution of corrupt public officers arising from shoddy Police investigations, general ineptitude and the executive's influences on the Police as well as the constitutional and statutory provisions, which hamper their performance of duties, the Nigeria Police Force cannot effectively contribute to the success of government policies against corruption The paper recommends. among others. that there should be a review of constitutional and statutory provisions regulating the performance of the Police Force and other security agencies in order to reduce or eliminate conflict of duties. Secondly, the Police Act should be made to emphasize professionalism and independence. Furthermore, the Police Service Commission (PSC) should ensure the new Code of Conduct is applied to all cadres of the Force up to the Inspector General of Police. Finally, for better efficiency and to avoid corruption from civil society, enhanced welfare package should be availed the Police Force.