This article examines the critical role of the police in ensuring free and fair presidential elections in Nigeria from 1999-2023. It provides a historical perspective and critical analysis on the evolving responsibilities and challenges faced by law enforcement agencies during electoral processes. The study highlights the significance of police pressure in maintaining order, preventing electoral violence, and safeguarding voters’ rights. By analysing various electoral cycles, the article identifies key successes and failures of the police in election management and their impact on public trust in the electoral system. Additionally, it explores the interplay between police actions and political dynamics, emphasizing the need for reforms to enhance police effectiveness and accountability in future elections. This paper contributes to the broader discourse on electoral integrity and the role of law enforcement in democratic governance in Nigeria.