This research intended to reveal the extent of realization of procedural safeguards & fair trials rights of detained persons during pretrial. Quantitative research design was employed. Legal & document analysis, questionnaire were tools used to collect pertinent data. The finding shows, detention authorities don‟t conform to procedures prescribed by law to detain suspects; they do not inform detained persons their human rights; they don‟t bring them before court of law within prescribed time; & they don‟t allow them to communicate with legal councilor of their choice; they don‟t provide free legal service for those unable to afford the service privately; & they don‟t provide the assistance of language interpreter during police interrogation for those who are unable to understand or speak the language. Indeed, the police use improper methods to obtain admission or confession; and there is discriminatory treatment during pretrial. Key Words: Pretrial Detention; Suspects; Procedural Safeguards; Pretrial Investigation; Detention Authorities.