 Challenges militating against administration of justice in Nigeria.  Pervasive corruption as a challenge to the administration of criminal justice.  Executive suppression and intimidation of the judiciary.  Insecurity.  The problem of case flow management.  Inadequate courtrooms and infrastructures facilities and poor working conditions.  Delay by legal practitioners.  Delay caused by supporting staff of courts.  Delay caused by prosecuting counsel/officer of the director of public prosecution.  Investigation and detection of crime.  Paucity and frequent transfer of officers.  Sponsorship of investigations.  Deficient prosecution of criminal cases in court and delay in giving legal advice.  Poor standard of legal education in Nigeria.  Challenge arising from prison authorities.